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      <image:title>Paraformaldehyde</image:title>
      <image:caption>Polysciences Paraformaldehyde Powder EM Grade (CAT# 00380, CAS# 30525-89-4) laboratory chemical bottles, available in 250 g and 1 kg sizes for electron microscopy and research applications</image:caption>
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      <image:title>Poly(methacrylic acid)</image:title>
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      <image:title>Formaldehyde 37%, U.S.P.</image:title>
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  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-25-soln-in-water-mw-50000</loc>
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      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/formvar-1595-polyvinyl-formal</loc>
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      <image:title>Formvar 15/95 (Poly[vinyl formal])</image:title>
      <image:caption>Formvar 15/95 (Poly[vinyl formal]) - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-n-diacrylate</loc>
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      <image:title>Poly(ethylene glycol) (n) diacrylate</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-mw-1450-pharma-grade</loc>
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      <image:title>Poly(ethylene glycol) [MW 1,450]</image:title>
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      <image:title>Poly(ethylene glycol) [MW 1,000]</image:title>
      <image:caption>Poly(ethylene glycol) [MW 1,000] - Polysciences</image:caption>
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    <loc>https://polysciences.com/products/hexamethyldisilazane-hmds</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/00692_d09df1c1-aadb-473b-a453-16fe6fd4c0fa-292779.jpg?v=1737983251</image:loc>
      <image:title>Hexamethyldisilazane (HMDS), ≥ 98%</image:title>
      <image:caption>Hexamethyldisilazane (HMDS), ≥ 98% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/hydroxypropyl-methacrylate-mixture-of-isomers</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_00730_1_1_a373259a-9d0a-4ee8-a512-ec6b9a9a649e.png?v=1738253345</image:loc>
      <image:title>Hydroxypropyl methacrylate, mixture of isomers, ≥ 95%</image:title>
      <image:caption>Hydroxypropyl methacrylate, mixture of isomers, ≥ 95% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/lens-tissue-ross</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/00791-lens-tissue_72cb1178-a6b6-46e7-903a-542ae53aa321-784644.jpg?v=1737983310</image:loc>
      <image:title>Lens Tissue, Ross</image:title>
      <image:caption>Lens Tissue, Ross - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/19-nonanediol-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_00801_1_1_917286e9-3814-48b8-a2e8-1a12877e0039.png?v=1738253345</image:loc>
      <image:title>1,9-Nonanediol dimethacrylate, ≥ 98.0%</image:title>
      <image:caption>1,9 - Nonanediol dimethacrylate, ≥ 98.0% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/methyl-methacrylate-min-995</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_00834_1_1_6108571e-b491-41b3-9353-71b63c9673cd.png?v=1738253345</image:loc>
      <image:title>Methyl Methacrylate, ≥ 99.5%</image:title>
      <image:caption>Methyl Methacrylate, ≥ 99.5% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polystyrene-mw-100000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_b8354316-5b19-4337-95d6-1bcc9d94b7e9-621356.jpg?v=1737983982</image:loc>
      <image:title>Polystyrene [MW ~ 100,000]</image:title>
      <image:caption>Polystyrene [MW ~ 100,000] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/nn-diethylacrylamide-min-95</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/00871_b54237f5-b32e-4ff6-ba45-36287070ae9a.jpg?v=1735827918</image:loc>
      <image:title>N,N-Diethylacrylamide, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/nadic-methyl-anhydride-nma</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/00886_3_5b4d3ea7-561a-4816-8303-b8c1b9b24648-243825.jpg?v=1737983421</image:loc>
      <image:title>Nadic Methyl Anhydride (NMA), ≥ 99.5%</image:title>
      <image:caption>Nadic Methyl Anhydride (NMA), ≥ 99.5% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/orange-g-ci-16230-certified</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_24bce481-e983-465a-9eec-65785b72cfbe-524341.jpg?v=1737983507</image:loc>
      <image:title>Orange G, C.I. 16230, certified</image:title>
      <image:caption>Orange G, C.I. 16230, certified - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/phosphomolybdic-acid-hydrate-acs-grade</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01021_cc3a34f0-4b11-4ccd-bf70-404040a35cdc-828522.jpg?v=1737983563</image:loc>
      <image:title>Phosphomolybdic acid hydrate, ACS grade</image:title>
      <image:caption>Phosphomolybdic acid hydrate, ACS grade - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-n-distearate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01048-poly-ethylene-glycol-n-distearate_f7881ea5-3685-42b4-994c-fad86a94a816.jpg?v=1736778385</image:loc>
      <image:title>Poly(ethylene glycol) (n) distearate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyn-vinylpyrrolidone-mw-40000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01051-polyn-vinylpyrrolidone-mw-40000_86b89a2b-de0c-4b08-9e3c-3057bc471891.jpg?v=1735827949</image:loc>
      <image:title>Poly(N-vinylpyrrolidone), MW 40,000</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyn-vinylpyrrolidone-pharmaceutical-grade</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01052-polyn-vinylpyrrolidone-pharmaceutical-grade_5450b111-8f59-4670-aa83-b9e54d85aa30.jpg?v=1735827954</image:loc>
      <image:title>Poly(N-vinylpyrrolidone), MW 40,000</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-mw-400</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01109-poly-ethylene-glycol-mw-400_a8238839-ac20-44a6-acc5-308ff827eaaf.jpg?v=1735827960</image:loc>
      <image:title>Poly(ethylene glycol) [MW 400]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/silver-nitrate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01125_8c14dd61-3b5f-4de3-a4e9-affb00d02142-498855.jpg?v=1737984102</image:loc>
      <image:title>Silver Nitrate, ≥ 99%</image:title>
      <image:caption>Silver Nitrate, ≥ 99% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cacodylic-acid-sodium-salt-trihydrate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_01131_1_2_22976f27-236b-44bc-8078-815b343ee2e8.png?v=1738253345</image:loc>
      <image:title>Cacodylic acid, sodium salt trihydrate, ≥ 98%</image:title>
      <image:caption>Cacodylic acid, sodium salt trihydrate, ≥ 98% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/glutaraldehyde-em-grade-70</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_00376_2_1_1_3_40a09975-a710-416c-ae13-36c43b6b7082.png?v=1738253345</image:loc>
      <image:title>Glutaraldehyde, EM Grade, 70%</image:title>
      <image:caption>Glutaraldehyde, EM Grade, 70% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/thionin-acetate-certified-by-biological-stain-commission-25-25-25-25-25</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_a09cf97d-a25e-4709-b808-63e321deb34b-731733.jpg?v=1737984161</image:loc>
      <image:title>Thionin Acetate, certified by Biological Stain Commission</image:title>
      <image:caption>Thionin Acetate, certified by Biological Stain Commission - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/toluidine-blue-o-ci-52040-certified-1</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01234-toluidine-blue-o_a955ca49-5c84-40d9-a1af-e2abb7d16c9a-713372.jpg?v=1737984161</image:loc>
      <image:title>Toluidine blue O, certified by the Biological Stain Commission</image:title>
      <image:caption>Toluidine blue O, certified by the Biological Stain Commission - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/triethylene-glycol-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01319_1_f692f069-fafe-40d8-976d-6346fc2604aa-812844.jpg?v=1737984161</image:loc>
      <image:title>Triethylene glycol dimethacrylate</image:title>
      <image:caption>Triethylene glycol dimethacrylate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/dimethylaminoethanol-dmae</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01458_0b7c0412-7d91-4fec-93b6-4e9aa0bd9963-967402.jpg?v=1737983003</image:loc>
      <image:title>Dimethylaminoethanol (DMAE)</image:title>
      <image:caption>Dimethylaminoethanol (DMAE) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/ethylene-glycol-diglycidyl-ether-egdge</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01479-ethylene-glycol-diglycidyl-ether-egdge_430e7c64-7968-41dc-8391-8ed1d9846e6c.jpg?v=1736778393</image:loc>
      <image:title>Ethylene glycol diglycidyl ether (EGDGE)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/heparin-sodium-salt-sodium-heparin-from-porcine-intestinal-mucosa</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_01491_1_1_88fdcc1b-587a-4158-ac45-01f25063712e.png?v=1738253345</image:loc>
      <image:title>Heparin, sodium salt (Sodium heparin, from porcine intestinal mucosa)</image:title>
      <image:caption>Heparin, sodium salt (Sodium heparin, from porcine intestinal mucosa) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/methacrylic-anhydride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01517_8ed7d075-04cd-4bc3-965b-e123508433b8.jpg?v=1735828017</image:loc>
      <image:title>Methacrylic anhydride</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/nonenyl-succinic-anhydride-nsa-em-grade</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_01542_1_1_1_ca9fdd99-ed46-4d85-9167-39532c94454d.png?v=1738253345</image:loc>
      <image:title>Nonenyl Succinic Anhydride (NSA)</image:title>
      <image:caption>Nonenyl Succinic Anhydride (NSA) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/pentaerythritol-tetraacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01547_35d8776f-d1e9-4f43-af0f-93104208efe2.jpg?v=1735828029</image:loc>
      <image:title>Pentaerythritol tetraacrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly2-vinylpyridine-n-oxide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only-431927_5137c67b-9a79-4da9-bce9-78e3c72c4bb3-662649.jpg?v=1738078589</image:loc>
      <image:title>Poly(2-vinylpyridine N-oxide)</image:title>
      <image:caption>Poly(2 - vinylpyridine N - oxide) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tdmac-tridodecylmethylammonium-chloride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_01595_1_f6358c86-05b6-4612-8510-c1cefea5224e.png?v=1738253345</image:loc>
      <image:title>TDMAC (Tridodecylmethylammonium chloride)</image:title>
      <image:caption>TDMAC (Tridodecylmethylammonium chloride) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/allyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01643_0f903a8b-d2c8-4d9a-845e-4761f529063d-273111.jpg?v=1737982894</image:loc>
      <image:title>Allyl methacrylate, ≥ 98%</image:title>
      <image:caption>Allyl methacrylate, ≥ 98% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/balsam-canada-filtered</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_01648_1_1_98ef18e2-259d-4d56-8cde-34469a5b0384.png?v=1738253345</image:loc>
      <image:title>Balsam, Canada</image:title>
      <image:caption>Balsam, Canada - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tetraethylene-glycol-diacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_01668_1_1_4e891cd5-b9e7-446d-a5d3-00e40c3af956.png?v=1738253345</image:loc>
      <image:title>Tetraethylene glycol diacrylate</image:title>
      <image:caption>Tetraethylene glycol diacrylate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/222-trifluoroethyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01718_e93f9a67-66be-4127-be4f-b29a9a8567f9.jpg?v=1735828060</image:loc>
      <image:title>2,2,2-Trifluoroethyl acrylate, ≥ 98.0%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/14-butanediol-diglycidyl-ether</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01795_5fa59f29-c9f6-4d69-b327-5c3ff4567ab6-781074.jpg?v=1737982719</image:loc>
      <image:title>1,4-Butanediol diglycidyl ether</image:title>
      <image:caption>1,4 - Butanediol diglycidyl ether - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-tert-butylaminoethyl-methacrylate-min-90</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01797_fc91d594-57de-4e41-8274-c16dc4470793.jpg?v=1735828071</image:loc>
      <image:title>2-(tert-Butylamino)ethyl methacrylate, ≥ 96.5%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-chlorinated-25-cl</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01814-polyethylene-chlorinated-25-cl_b5bf6d70-6f12-4350-bc7d-fa8d1c1508f1.jpg?v=1735828077</image:loc>
      <image:title>Polyethylene, chlorinated, 25% Cl</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-cyanoethyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01829_399c64c3-203b-434c-8e30-82cb4d80ee95.jpg?v=1735828082</image:loc>
      <image:title>2-Cyanoethyl acrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polystyrene-mw-20000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_b1b78d89-3b6d-4a28-8d1f-89fd4376843e-623300.jpg?v=1737983982</image:loc>
      <image:title>Polystyrene [MW ~ 20,000]</image:title>
      <image:caption>Polystyrene [MW ~ 20,000] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/dibutyltin-dilaurate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_01862_a126a4c2-6db2-4e70-baa1-02944a7e8985.png?v=1738253345</image:loc>
      <image:title>Dibutyltin dilaurate</image:title>
      <image:caption>Dibutyltin dilaurate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/peg400da</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_01871_1_1a08f479-ff52-479b-b0a1-8afcbdfc9b6e.png?v=1738253345</image:loc>
      <image:title>Polyethylene glycol diacrylate (PEGDA 400)</image:title>
      <image:caption>Polyethylene glycol diacrylate (PEGDA 400) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-nn-diethylaminoethyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01872_31d1adb8-7355-4a07-9b3b-b46bade62e3d.jpg?v=1735828111</image:loc>
      <image:title>2-(N,N-Diethylamino)ethyl methacrylate, ≥ 98.5%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-hydroxyethyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01902_2_171d2214-6686-4aea-a570-579b3b4d46c2.jpg?v=1735828117</image:loc>
      <image:title>2-Hydroxyethyl acrylate, ≥ 97.0%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/glutaraldehyde-em-grade-25-10</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_01909-100_new_2_1_1_88dafebb-d06c-47e2-a68f-d7ffd349f863.png?v=1738253345</image:loc>
      <image:title>Glutaraldehyde, EM Grade, 25%</image:title>
      <image:caption>Glutaraldehyde, EM Grade, 25% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/spurr-low-viscosity-embedding-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/01916_e5164583-3b51-424e-bbb9-cd1d1edbdfb3.jpg?v=1735828129</image:loc>
      <image:title>Spurr Low Viscosity Embedding Kit</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/acetone-em-grade-histology-grade-995-minimum</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_01921_new_1_1_5_a39ef5a9-7f91-4af9-9ef8-00b594f6b33c.png?v=1738253345</image:loc>
      <image:title>Acetone, EM Grade, ≥ 99.5%</image:title>
      <image:caption>Acetone, EM Grade, ≥ 99.5% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/3-aminopropyltriethoxysilane</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_01983_90460212-62d1-4c65-a321-b93a36d57f2d.png?v=1738253345</image:loc>
      <image:title>3-Aminopropyltriethoxysilane, ≥ 97%</image:title>
      <image:caption>3 - Aminopropyltriethoxysilane, ≥ 97% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/benzyl-methacrylate-min-95</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02000_4593eeb1-1813-44ed-8b0c-5bf0d2308aff.jpg?v=1735828146</image:loc>
      <image:title>Benzyl methacrylate, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-n-butoxyethyl-methacrylate-97</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02034_f3c68aeb-b4c6-436c-8c96-7724bf723e51-917401.jpg?v=1737982719</image:loc>
      <image:title>2-n-Butoxyethyl methacrylate, ≥ 97%</image:title>
      <image:caption>2 - n - Butoxyethyl methacrylate, ≥ 97% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-butyl-acrylate-min-99</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_02037_1_2_d364018d-73d9-41c2-9d6f-9b8cdb81bf98.png?v=1738253279</image:loc>
      <image:title>n-Butyl acrylate, ≥ 99%</image:title>
      <image:caption>n - Butyl acrylate, ≥ 99% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/sec-butyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02038_1_762c2c71-e256-4bcc-b60a-77dad8906a07.jpg?v=1735828164</image:loc>
      <image:title>sec-Butyl acrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/13-butanediol-dimethacrylate-98</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02047_1_4e08fd3f-9f66-4689-8ff3-917271237c2d.jpg?v=1735828169</image:loc>
      <image:title>1,3-Butanediol dimethacrylate, ≥ 98%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/14-butanediol-diacrylate-min-85</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02049_2b9f240e-da2c-4cbe-844d-6ae52d181900.jpg?v=1735828174</image:loc>
      <image:title>1,4-Butanediol diacrylate, ≥ 85%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/iso-butyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02056_b1d27f37-b31c-4f95-813e-0f0f5dfead49.jpg?v=1735828180</image:loc>
      <image:title>iso-Butyl methacrylate, ≥ 98.5%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-butyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02059_bd3b6b1e-ae56-453c-81c4-7b3e7bee1029.jpg?v=1736778401</image:loc>
      <image:title>n-Butyl methacrylate, ≥ 98.5%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyn-butyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02061_cfc2ada4-3b21-4757-8ef4-61d985d288ca.jpg?v=1735828197</image:loc>
      <image:title>Poly(n-butyl methacrylate)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cinnamyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02092_54340b68-fa7f-4451-b803-4404f9d5869b.jpg?v=1735828202</image:loc>
      <image:title>Cinnamyl methacrylate, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/araldite-resins-modified-epoxy-resins-grade-6005</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02116_1b334ba9-3795-48f7-8071-b6ad54109e20.jpg?v=1735828208</image:loc>
      <image:title>Araldite® resins (modified epoxy resins), Grade 6005</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/110-decanediol-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02140_5ee1a61d-32e1-4fb0-9384-d0e3bea5bb4c.jpg?v=1735828214</image:loc>
      <image:title>1,10-Decanediol dimethacrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/diallyl-maleate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02156_6aebe371-1f6d-4df1-9426-5b0d46ba23c0.jpg?v=1735828220</image:loc>
      <image:title>Diallyl Maleate, ≥ 97%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/diethylene-glycol-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02214_1_2_580e32e8-cdec-4422-8ad8-0804bb680a0a-249919.jpg?v=1737983003</image:loc>
      <image:title>Diethylene glycol dimethacrylate, ≥ 88%</image:title>
      <image:caption>Diethylene glycol dimethacrylate, ≥ 88% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/diethylene-glycol-diacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02215_1_3822f2be-e54b-4397-84ef-5f5b21d19a7b-623444.jpg?v=1737983003</image:loc>
      <image:title>Diethylene glycol diacrylate (DEGDA)</image:title>
      <image:caption>Diethylene glycol diacrylate (DEGDA) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/osmium-tetroxide-crystalline-9995-5x1g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_0223_1_7b5af3f9-2949-4650-bfc8-745349d8d756.png?v=1738253345</image:loc>
      <image:title>Osmium tetroxide, crystalline, ≥ 99.95% - 5x1g</image:title>
      <image:caption>Osmium tetroxide, crystalline, ≥ 99.95% - 5x1g - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/osmium-tetroxide-crystalline-9995-10x1g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_0223_1_78a8cf78-87e2-45d0-aabe-538b82a7632d.png?v=1738253345</image:loc>
      <image:title>Osmium tetroxide, crystalline, ≥ 99.95% - 10x1g</image:title>
      <image:caption>Osmium tetroxide, crystalline, ≥ 99.95% - 10x1g - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/osmium-tetroxide-crystalline-9995-10x12g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_0223_1_705c3128-ea78-4d16-b335-a836525bc2b7.png?v=1738253280</image:loc>
      <image:title>Osmium tetroxide, crystalline, ≥ 99.95% - 10x1/2g</image:title>
      <image:caption>Osmium tetroxide, crystalline, ≥ 99.95% - 10x1/2g - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/osmium-tetroxide-crystalline-9995-10x14g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_0223_1_2a189249-5e2b-4cb3-ad5d-9693439714f7.png?v=1738253345</image:loc>
      <image:title>Osmium tetroxide, crystalline, ≥ 99.95% - 10x1/4g</image:title>
      <image:caption>Osmium tetroxide, crystalline, ≥ 99.95% - 10x1/4g - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-nn-dimethylaminoethyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02257_f66668f2-7f03-4b92-9799-6ade6474f715.jpg?v=1735828260</image:loc>
      <image:title>2-(N,N-Dimethylamino)ethyl acrylate, ≥ 98.0%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/jb-4supsup-embedding-kit-solution-a-monomer</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/0226a_afd2632e-1d65-4569-9b66-bde06062a3fc-602583.jpg?v=1737983309</image:loc>
      <image:title>JB-4® Embedding Kit - Solution A (Monomer)</image:title>
      <image:caption>JB - 4® Embedding Kit - Solution A (Monomer) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/jb-4supsup-embedding-kit-solution-b-accelerator</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/0226b_ebe2d904-ecf0-48a2-9d8a-3053dbed6a2f-646189.jpg?v=1737983309</image:loc>
      <image:title>JB-4® Embedding Kit - Solution B (Accelerator)</image:title>
      <image:caption>JB - 4® Embedding Kit - Solution B (Accelerator) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/ethylene-glycol-diacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02302_52769ffe-9233-4c13-bdb9-3fd3f9b143f8.jpg?v=1735828277</image:loc>
      <image:title>Ethylene glycol diacrylate (EGDA)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylenemaleic-anhydride-11-molar</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02308-polyethylenemaleic-anhydride-11-molar_7d5353d0-14ae-446a-ba90-b2476b7b728f.jpg?v=1735828283</image:loc>
      <image:title>Poly(ethylene/maleic anhydride) 1:1 (molar)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/eponsupsup-resin-828</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02334_cb7aee6d-3afd-4c7a-9939-2df390e3e4d9.jpg?v=1735828289</image:loc>
      <image:title>Epon® Resin 828</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polymaleic-anhydride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02348-poly-maleic-anhydride_8493a80a-e06b-479d-b742-c2e0727811e6.jpg?v=1735828294</image:loc>
      <image:title>Poly(maleic anhydride)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-600-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25406_3_1_cc9baf71-2d1c-4829-9ade-0675b3fe23dc.png?v=1738253279</image:loc>
      <image:title>Polyethylene glycol dimethacrylate (PEGDMA 600)</image:title>
      <image:caption>Polyethylene glycol dimethacrylate (PEGDMA 600) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/hexafluoro-iso-propyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02401_59b0e7e0-fedd-4497-bbc2-be46f98a142a.jpg?v=1735828306</image:loc>
      <image:title>Hexafluoro-iso-propyl methacrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-l-glutamyl-4-methoxy-2-naphthylamine</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02410_59162b62-9ac5-471d-b9cc-36ac630494e6-509673.jpg?v=1737983421</image:loc>
      <image:title>N-(Gamma-L-Glutamyl)-4-methoxy-2-naphthylamine, ≥ 98%</image:title>
      <image:caption>N - (Gamma - L - Glutamyl) - 4 - methoxy - 2 - naphthylamine, ≥ 98% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-hexyl-acrylate-min-98</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02411_1_ea39bbbb-5aae-4b48-bf17-c61ab3efbef8.jpg?v=1735828317</image:loc>
      <image:title>n-Hexyl acrylate, min. 98%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyiso-butyl-methacrylate-fine-powder-951-060</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02452_e306cf20-66a0-4f5f-811d-1e3339759dd5-634669.jpg?v=1737983699</image:loc>
      <image:title>Poly(iso-butyl methacrylate) fine powder, [η] = 0.60</image:title>
      <image:caption>Poly(iso - butyl methacrylate) fine powder, [η] = 0.60 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-iso-propylacrylamide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_02455_1_1_1_b1a323b3-0b44-429f-a4aa-f527609d9bef.png?v=1738253279</image:loc>
      <image:title>N-iso-Propylacrylamide, ≥ 98.0%</image:title>
      <image:caption>N - iso - Propylacrylamide, ≥ 98.0% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-dodecyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02461_a027c3ea-7523-4cb8-b39f-167c61eccb77-128099.jpg?v=1737983421</image:loc>
      <image:title>n-Dodecyl methacrylate, ≥ 98.0%</image:title>
      <image:caption>n - Dodecyl methacrylate, ≥ 98.0% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-methoxyethyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_02487_2-methoxyethyl_e59cff9c-f7de-4dbe-9e6c-f2f11de37631.png?v=1738253279</image:loc>
      <image:title>2-Methoxyethyl acrylate, ≥ 98.0%</image:title>
      <image:caption>2 - Methoxyethyl acrylate, ≥ 98.0% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/beemsupsup-capsule-holders-regular-heat-curing-size-00</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/0256a_8ed7a2d0-a27f-4f56-a41a-211699d17428-262649.jpg?v=1737982895</image:loc>
      <image:title>BEEM® Capsule Holders, Regular (heat curing), Size 00</image:title>
      <image:caption>BEEM® Capsule Holders, Regular (heat curing), Size 00 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/aniline-blue-ci-42755-certified-water-soluble</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02570-25_aniline_blue_1_164f90e6-c060-4b38-9f66-eb6bc959e1bb-670549.jpg?v=1737982894</image:loc>
      <image:title>Aniline blue, C.I. 42755, Certified, Water-soluble</image:title>
      <image:caption>Aniline blue, C.I. 42755, Certified, Water - soluble - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-sulfoethyl-methacrylate-90</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/2-Sulfoethyl_methacrylate_90_Polysciences_product_02597.png?v=1784659029</image:loc>
      <image:title>2-Sulfoethyl methacrylate, ≥ 90%</image:title>
      <image:caption>2 - Sulfoethyl methacrylate, ≥ 90% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/batson-s-17-monomer-base-solution</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_02599_1_5faa41d5-6a91-4575-839b-d9260f04f620.png?v=1738253279</image:loc>
      <image:title>Batson&apos;s #17 Monomer base solution</image:title>
      <image:caption>Batson&apos;s #17 Monomer base solution - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/araldite-502-kit-luft-s-formula</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02600_1_77f04432-89fa-47d9-8ef0-048123d23137-394188.jpg?v=1737983800</image:loc>
      <image:title>Poly/Bed 502 kit, Luft&apos;s Formula</image:title>
      <image:caption>Poly/Bed 502 kit, Luft&apos;s Formula - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/batson-s-17-catalyst</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02608_2a32b3c7-4649-4865-bd95-21a3ca6535d2-501026.jpg?v=1737982895</image:loc>
      <image:title>Batson&apos;s #17 Catalyst</image:title>
      <image:caption>Batson&apos;s #17 Catalyst - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/batson-s-17-promoter</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02610_b307fd63-c5cb-407c-aa2e-602327c24117-402901.jpg?v=1737982895</image:loc>
      <image:title>Batson&apos;s #17 Promoter</image:title>
      <image:caption>Batson&apos;s #17 Promoter - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/embedding-molds-silicone-flat-polysciences</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02615_1_a1e61546-7f33-4296-9c72-1d21561f26d9-242230.jpg?v=1737983052</image:loc>
      <image:title>Embedding Molds - Silicone, Flat</image:title>
      <image:caption>Embedding Molds - Silicone, Flat - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/jb-4supsup-embedding-kit-catalyst-benzoyl-peroxide-plasticized</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02618_215a077e-b31d-496c-97ba-14ddbd558e26-945305.jpg?v=1737983309</image:loc>
      <image:title>JB-4® Embedding Kit - Catalyst (Benzoyl Peroxide, Plasticized)</image:title>
      <image:caption>JB - 4® Embedding Kit - Catalyst (Benzoyl Peroxide, Plasticized) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/222-trifluoroethyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02622_aa2d59c4-d48f-4122-b59a-cf93f6b118de.jpg?v=1735828397</image:loc>
      <image:title>2,2,2-Trifluoroethyl methacrylate, ≥ 99%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-phenoxyethyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02640_1205cd22-0dc9-4f9c-9491-d74a1dc15a64.jpg?v=1735828402</image:loc>
      <image:title>2-Phenoxyethyl methacrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/phenyl-acrylate-min-95</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02642_09069129-dd72-4cca-933d-50c703816e24.jpg?v=1735828407</image:loc>
      <image:title>Phenyl acrylate, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/phenyl-methacrylate-95</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02644_58d7de37-6494-4ab0-82fc-16144803907f-421256.jpg?v=1737983563</image:loc>
      <image:title>Phenyl methacrylate, ≥ 97%</image:title>
      <image:caption>Phenyl methacrylate, ≥ 97% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyvinyl-cinnamate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02648_62ce536c-4a86-4495-a293-0cdb839c1cf8.jpg?v=1735828419</image:loc>
      <image:title>Poly(vinyl cinnamate)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tetraethylene-glycol-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02654_1_fc664dc3-8bcb-4d7c-86fd-8429077fed46.jpg?v=1735828424</image:loc>
      <image:title>Tetraethylene glycol dimethacrylate, ≥ 85%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/triethylene-glycol-diacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02655_1_72a4eabb-3610-410b-b2b2-f66692ca7d22-417319.jpg?v=1737984161</image:loc>
      <image:title>Triethylene glycol diacrylate (TriEGDA)</image:title>
      <image:caption>Triethylene glycol diacrylate (TEGDA), ≥90%, Polysciences product 02655</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/111-trimethylolpropane-triacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_02658_1_1_f7a5a9e5-dd71-4a11-b3de-840a315c4f5c.png?v=1738253279</image:loc>
      <image:title>1,1,1- Trimethylolpropane triacrylate (TriMPTA), ≥ 88%</image:title>
      <image:caption>1,1,1 - Trimethylolpropane triacrylate (TriMPTA), ≥ 88% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/111-trimethylolpropane-trimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02659_ffad1543-3bd6-4029-af44-4daab0bc4997.jpg?v=1735828441</image:loc>
      <image:title>1,1,1-Trimethylolpropane trimethacrylate, ≥ 90%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/335-trimethylcyclohexyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02660_6e1ef79d-3694-467a-a25e-4d95443487d2.jpg?v=1735828447</image:loc>
      <image:title>3,3,5-Trimethylcyclohexyl methacrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/4-vinylpyridine</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02668_7e0100ad-80d1-4e3f-bb8b-b178b427bf7c.jpg?v=1735828452</image:loc>
      <image:title>4-Vinylpyridine, ≥ 94.5%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-octyl-methacrylate-technical-grade-95</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02679_0188b4c8-a520-4a5b-ac7c-4e141acd7822-935362.jpg?v=1737983421</image:loc>
      <image:title>n-Octyl methacrylate, Technical grade, ≥ 94%</image:title>
      <image:caption>n - Octyl methacrylate, Technical grade, ≥ 94% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/chloromethylstyrene-43-para-57-meta-96</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_02718_3_4_-chloromethylstyrene_672a74cd-d952-4444-b42b-720c8741b80c.png?v=1738253238</image:loc>
      <image:title>Chloromethylstyrene, mixture of isomers, ≥ 97%</image:title>
      <image:caption>Chloromethylstyrene, mixture of isomers, ≥ 97% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/chloromethylstyrene-60-meta-40-para-isomers-96-1</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_02719_structure_0ce7bb84-4286-42db-861a-5e13d7e93a7e.png?v=1738253238</image:loc>
      <image:title>Chloromethylstyrene, 60% meta, 40% para isomers, ≥ 97%</image:title>
      <image:caption>Chloromethylstyrene, 60% meta, 40% para isomers, ≥ 96% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/carmine-ci-75470-certified-25-25-25-25-25</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02729-25_carmine_650c8667-3ad0-4c25-b574-4929b2f706ca-180238.jpg?v=1737982945</image:loc>
      <image:title>Carmine, certified by the Biological Stain Commission</image:title>
      <image:caption>Carmine, certified by the Biological Stain Commission - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/chlorazole-black-e-ci-30235-certified</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_d9409bb0-c6d4-4f03-a9c6-0ddb4c53990c-325648.jpg?v=1737983001</image:loc>
      <image:title>Chlorazole black E, C.I. 30235, certified</image:title>
      <image:caption>Chlorazole black E, C.I. 30235, certified - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/congo-red-ci-22120-certified-direct-red-28</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_9065cf8f-0e56-4558-9b33-1cdcd2bf508d-230924.jpg?v=1737983002</image:loc>
      <image:title>Congo red, C.I. 22120, certified (Direct red 28)</image:title>
      <image:caption>Congo red, C.I. 22120, certified (Direct red 28) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/eosin-y-ci-45380-certified</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02740_99bed37a-4ab0-4fea-b522-7554baa023dd-216860.jpg?v=1737983052</image:loc>
      <image:title>Eosin Y, C.I. 45380, certified</image:title>
      <image:caption>Eosin Y, C.I. 45380, certified - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/fast-green-fcf-ci-42053-certified</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02745_23e3c679-f128-43c3-a4e3-158d271722c3-624393.jpg?v=1737983052</image:loc>
      <image:title>Fast green FCF, C.I. 42053, certified</image:title>
      <image:caption>Fast green FCF, C.I. 42053, certified - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/hematoxylin-ci-75290-certified-natural-black-1</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02749_a5b16d79-712d-4dcc-8610-ce0172c2ef9f-257435.jpg?v=1737983251</image:loc>
      <image:title>Hematoxylin, C.I. 75290, certified (Natural black 1)</image:title>
      <image:caption>Hematoxylin, C.I. 75290, certified (Natural black 1) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/light-green-sf-yellowish-ci-42095-certified</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02753_light_green_sf_yellowsish_1_d68ee746-a071-40bc-9746-dad434c14a56-652781.jpg?v=1737983310</image:loc>
      <image:title>Light green SF yellowish, C.I. 42095, certified</image:title>
      <image:caption>Light green SF yellowish, C.I. 42095, certified - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/safranin-o-ci-50240-certified</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02782_2b22bec5-0310-42d1-9837-8c2dd6e24822-639555.jpg?v=1737984040</image:loc>
      <image:title>Safranin O, C.I. 50240, certified</image:title>
      <image:caption>Safranin O, C.I. 50240, certified - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tetrachrome-stain-certified-macneal</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02783_ebe49868-4803-4f60-969f-d4430580c1db-143989.jpg?v=1737984161</image:loc>
      <image:title>Tetrachrome stain, certified (MacNeal)</image:title>
      <image:caption>Tetrachrome stain, certified (MacNeal) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/wright-stain-certified</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_02785_1_1_f630d1d4-0a3d-4870-bb79-7d158d1a2461.png?v=1738253279</image:loc>
      <image:title>Wright Stain, certified by the Biological Stain Commission</image:title>
      <image:caption>Wright Stain, certified by the Biological Stain Commission - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylamide-mw-5000000-6000000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02806-polyacrylamide-mw-5_000_000-6_000_000_b502c82d-d094-41b1-851a-ce63907c56dc.jpg?v=1735828533</image:loc>
      <image:title>Polyacrylamide (MW 5,000,000 - 6,000,000)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly-vinyl-alcohol-mw-133000-99-hydrolyzed</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02815_f1c8b153-ca73-4066-b004-9e37c87f099a.jpg?v=1736778428</image:loc>
      <image:title>Poly(vinyl alcohol), MW 133000, 99% hydrolyzed</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly4-aminostyrene</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02823-poly-4-aminostyrene_e060f093-776a-43ab-8473-a80bddf23462.jpg?v=1735828545</image:loc>
      <image:title>Poly(4-aminostyrene)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-phenylethyl-acrylate-min-92</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_02834_1_1_a89dd2c6-73f5-4ac4-bf6b-66b843bb2484.png?v=1738253238</image:loc>
      <image:title>2-Phenylethyl acrylate, ≥ 99%</image:title>
      <image:caption>2 - Phenylethyl acrylate, ≥ 99% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-phenylethyl-methacrylate-min-92</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02911_f9f3c22d-7694-4f80-b8f9-2912296db6be.jpg?v=1735828556</image:loc>
      <image:title>2-Phenylethyl methacrylate, ≥ 99%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/der-dow-epoxy-resins-grade-732</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02922_bc8ae021-569f-4137-ac4b-1ae294351141.jpg?v=1735828562</image:loc>
      <image:title>D.E.R. (Dow epoxy resins), Grade 732</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/der-dow-epoxy-resins-grade-736</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_02923_157b643a-8bee-4b29-a48e-97de7b9c1f13.png?v=1738253238</image:loc>
      <image:title>D.E.R. (Dow epoxy resins), Grade 736</image:title>
      <image:caption>D.E.R. (Dow epoxy resins), Grade 736 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/d-e-r-dow-epoxy-resins-grade-331</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_02924_d.e.r._311_structure_1_3a1b504f-53ab-4709-9a66-185ef91caaec.png?v=1738253238</image:loc>
      <image:title>D.E.R. (Dow epoxy resins), Grade 331</image:title>
      <image:caption>D.E.R. (Dow epoxy resins), Grade 331 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly-vinyl-alcohol-mw-25000-88-hydrolyzed</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/02975_4b1af055-6dc1-421f-b8fc-db00b6000f2d-460096.jpg?v=1737983733</image:loc>
      <image:title>Poly(vinyl alcohol), MW 25000, 88% hydrolyzed</image:title>
      <image:caption>Poly(vinyl alcohol), MW 25000, 88% hydrolyzed - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/iso-decyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03008_4732afe8-7d95-47d4-acad-0733ef5a60e9-895719.jpg?v=1737983309</image:loc>
      <image:title>iso-Decyl acrylate, ≥ 90%</image:title>
      <image:caption>iso - Decyl acrylate, ≥ 90% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyvinyl-methyl-ether-50-aqueous-solution</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03032-poly-vinyl-methyl-ether-50-aqueous-solution_c229925f-5427-4e06-a075-52111fde3adc.jpg?v=1735828590</image:loc>
      <image:title>Poly(vinyl methyl ether), 50% aqueous solution</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polymethylenepolyphenyl-isocyanate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03099_baea9df2-ad63-4369-9a97-cecb6b8b31b6.jpg?v=1735828596</image:loc>
      <image:title>Poly[methylene(polyphenyl) isocyanate]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-tert-octylacrylamide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_03141_1_920c9f7a-5fdb-4c0a-aa28-cf4ea4992e0d.png?v=1738253238</image:loc>
      <image:title>N-tert-Octylacrylamide, ≥ 95%</image:title>
      <image:caption>N - tert - Octylacrylamide, ≥ 95% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-propyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03174_d8a76cd5-18ed-4029-b2fc-a06b1275ef9a-967655.jpg?v=1737983421</image:loc>
      <image:title>n-Propyl methacrylate</image:title>
      <image:caption>n - Propyl methacrylate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-powder-mw-450000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03312_4477cd25-03b9-490f-9ca6-0010d1398e23.jpg?v=1735828612</image:loc>
      <image:title>Poly(acrylic acid), powder [MW ~ 450,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyn-vinylpyrrolidone-mw-10000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03315-polyn-vinylpyrrolidone-mw-10000_edf973f7-3c1f-4e79-9c4c-1e548ec32a29.jpg?v=1735828618</image:loc>
      <image:title>Poly(N-vinylpyrrolidone), MW 10,000</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-25-soln-in-water-mw-345000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03326_337fa5d3-1a0e-4af4-9849-fbcd2e8c2513-780040.jpg?v=1737983639</image:loc>
      <image:title>Poly(acrylic acid), 25% soln. in water [Mw ~345,000]</image:title>
      <image:caption>Poly(acrylic acid), 25% soln. in water [Mw ~345,000] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/246-tribromophenyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03330_663c7706-d11d-4a20-9a3c-7cd5b7d77c61.jpg?v=1735828629</image:loc>
      <image:title>2,4,6-Tribromophenyl acrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/biebrich-scarlet-ci-26905</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03336-100_biebrich_scarlet_6c93233c-89bf-460e-8982-472a3630aad3-839448.jpg?v=1737982895</image:loc>
      <image:title>Biebrich scarlet, C.I. 26905</image:title>
      <image:caption>Biebrich scarlet, C.I. 26905 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/22-bis4-2-hydroxy-3-methacryloxypropoxyphenylpropane</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_03344_1_1_b828d7b4-d931-417b-b506-c3ff0608cc85.png?v=1738253238</image:loc>
      <image:title>2,2-Bis[4-(2-hydroxy-3-methacryloxypropoxy)phenyl]propane</image:title>
      <image:caption>2,2 - Bis[4 - (2 - hydroxy - 3 - methacryloxypropoxy)phenyl]propane - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/12-tungstosilicic-acid</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_d3ee19fa-76c5-4d4d-96cf-742c3d1f1cee-143144.jpg?v=1737982719</image:loc>
      <image:title>12-Tungstosilicic Acid</image:title>
      <image:caption>12 - Tungstosilicic Acid - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polystyrenemaleic-anhydride-6733-mw-7500</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03497-polystyrenemaleic-anhydride-6733-mw-7500_d3c021ec-04d1-4ed6-822c-265fe5fd5b73.jpg?v=1735828652</image:loc>
      <image:title>Poly(styrene/maleic anhydride) [67:33], MW 7,500</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/methyl-methacrylate-butyl-methacrylate-embedding-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03573_1_50f875a0-1ab5-44e4-a7d3-dd7e14adf684-796185.jpg?v=1737983363</image:loc>
      <image:title>Methyl Methacrylate-Butyl Methacrylate Embedding Kit</image:title>
      <image:caption>Methyl Methacrylate - Butyl Methacrylate Embedding Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/grid-storage-unit-100-grids</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_03606_grid_storage_100_62d3c2a1-93af-4a5a-8ffa-4679cbe24fd5.png?v=1738253238</image:loc>
      <image:title>Grid Storage Unit - 100 grids</image:title>
      <image:caption>Grid Storage Unit - 100 grids - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/glass-scriber-diamond</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03636_1_55c03613-8f17-45f4-9291-bace75824515-839452.jpg?v=1737983249</image:loc>
      <image:title>Glass Scriber, Diamond</image:title>
      <image:caption>Glass Scriber, Diamond - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-hydroxyethyl-methacrylate-low-acid-grade</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_03699_1_1_6c30ac68-ef0e-49a6-9d7f-911e09ffe620.png?v=1738253238</image:loc>
      <image:title>2-Hydroxyethyl methacrylate, Low Acid Grade</image:title>
      <image:caption>2 - Hydroxyethyl methacrylate, Low Acid Grade - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/coomassiesupsup-blue-g250-ci-42655</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03707_3784ccfc-a855-4b03-86bd-fb5d806f3ec7-793839.jpg?v=1737983003</image:loc>
      <image:title>Coomassie® Blue G250, C.I. 42655</image:title>
      <image:caption>Coomassie® Blue G250, C.I. 42655 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tdmac-heparin-tridodecylmethylammonium-heparinate-7-ww-solution</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03813_f7fba8a6-96cf-4a0b-bf51-1d57846bf914-960732.jpg?v=1737984161</image:loc>
      <image:title>TDMAC-heparin (Tridodecylmethylammonium heparinate), 7% (w/w) solution</image:title>
      <image:caption>TDMAC - heparin (Tridodecylmethylammonium heparinate), 7% (w/w) solution - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tdmac-heparin-2</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only-431927_d37743c2-aa07-4b65-ab0a-5939285318f7.jpg?v=1738165907</image:loc>
      <image:title>TDMAC-heparin (Tridodecylmethylammonium heparinate), 2% (w/w) solution</image:title>
      <image:caption>TDMAC - heparin (Tridodecylmethylammonium heparinate), 2% (w/w) solution - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/stains-all</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03943-1_stains-all_4b4ffbe4-b51b-4b2d-8ef1-8c21f4a7a268-724634.jpg?v=1737984102</image:loc>
      <image:title>Stains-all</image:title>
      <image:caption>Stains - all - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/sodium-dodecyl-sulfate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/03945_473f96ce-2172-41d1-8aee-9cd5c225d80c-212352.jpg?v=1737984102</image:loc>
      <image:title>Sodium dodecyl sulfate, ≥ 99.5%</image:title>
      <image:caption>Sodium dodecyl sulfate, ≥ 99.5% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/dab-4hcl-3-38217-diaminobenzidine-tetrahydrochloride-30ml-vials</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04008_221d7dee-df7f-4643-9c41-8e8600a2a4be-242674.jpg?v=1737983003</image:loc>
      <image:title>DAB-4HCl, Immunochemical Grade, 10mg Lyophilized per vial</image:title>
      <image:caption>DAB - 4HCl, Immunochemical Grade, 10mg Lyophilized per vial - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/formaldehyde-10-methanol-free-ultra-pure</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04018_1_1_562ba929-c53f-4246-8a76-42e0af750eaf.gif?v=1735828722</image:loc>
      <image:title>Formaldehyde, 10%, methanol free, Ultra Pure</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-oxide-mw-4000000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04030-poly-ethylene-oxide-mw-4000000_da22e660-404d-4908-a6a4-5754774e5bb4.jpg?v=1735828728</image:loc>
      <image:title>Poly(ethylene oxide) [MW 4,000,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-oxide-mw-5000000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04031-poly-ethylene-oxide-mw-5000000_39806600-a87d-4f82-bd56-c68043f1f83c.jpg?v=1735828733</image:loc>
      <image:title>Poly(ethylene oxide) [MW 5,000,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-dodecylmethacrylamide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04135_8c496d03-0d4e-4186-822e-73309261b8b7-519777.jpg?v=1737983421</image:loc>
      <image:title>N-Dodecylmethacrylamide</image:title>
      <image:caption>N - Dodecylmethacrylamide - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/glycerol-monomethacrylate-mixture-of-isomers</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_04180_1_1_59e23c14-413a-437a-bb2b-9cfba8ccf0cf.png?v=1738253238</image:loc>
      <image:title>Glycerol monomethacrylate, mixture of isomers</image:title>
      <image:caption>Glycerol monomethacrylate, mixture of isomers - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/methylene-blue-100-100-100-100-100</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04220_1b5f89d6-7b2d-4120-ae01-e6f824bdfa18.jpg?v=1736778454</image:loc>
      <image:title>Methylene Blue</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-monomethyl-ether-mw-1900</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04242-polyethylene-glycol-monomethyl-ether-mw-1900_607ecbed-c880-4d89-8229-a0eb670f80f1.jpg?v=1735828756</image:loc>
      <image:title>Poly(ethylene glycol) monomethyl ether [MW 1,900]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/pentaerythritol-triacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04259_eeae977a-15bc-4a1c-94b6-6f61e506abc1.jpg?v=1735828762</image:loc>
      <image:title>Pentaerythritol triacrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/15-pentanediol-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04260_f1694d8a-fa83-4c6b-a78d-f3ab3dffc833.jpg?v=1735828768</image:loc>
      <image:title>1,5-Pentanediol dimethacrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacryloyl-chloride-25-soln-in-dioxane</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04293-poly-acryloyl-chloride-25-soln-in-dioxane_847f884b-bddc-4872-9d4c-364c10e7f32d.jpg?v=1735828773</image:loc>
      <image:title>Poly(acryloyl chloride), 25% soln. in dioxane</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-terephthalate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04301_82d7f514-3e9f-4bd2-8ec5-c0ca97d03962.jpg?v=1735828779</image:loc>
      <image:title>Poly(ethylene glycol terephthalate)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polymethacryloyl-chloride-25-soln-in-dioxane</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04315-polymethacryloyl-chloride-25-soln-in-dioxane_a7d09392-70fb-4af3-b5bc-620e0a754df4.jpg?v=1735828784</image:loc>
      <image:title>Poly(methacryloyl chloride), 25% soln. in dioxane</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly-vinyl-alcohol-mw-108000-99-hydrolyzed</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04324_10f0fed4-aca8-4830-b98a-f00093a3cd8f-691219.jpg?v=1737983733</image:loc>
      <image:title>Poly(vinyl alcohol), MW 108000, 99+% hydrolyzed</image:title>
      <image:caption>Poly(vinyl alcohol), MW 108000, 99+% hydrolyzed - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polypropylene-chromatographic-grade</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04342_f00eb482-6432-4bf5-bcdb-7138b5c4ed4b-656796.jpg?v=1737983982</image:loc>
      <image:title>Polypropylene, Chromatographic Grade</image:title>
      <image:caption>Polypropylene, Chromatographic Grade - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polypropylene-glycol-400-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04380-poly-propylene-glycol-400-dimethacrylate_1_d00aa94d-0421-4c04-a436-df2de38eb40a.jpg?v=1735828802</image:loc>
      <image:title>Poly(propylene glycol) (400) dimethacrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyvinyl-phosphoric-acid-sodium-salt</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04391-poly_vinyl-phosphoric-acid_-sodium-salt_679872aa-3ea4-45f4-8914-73e065c2fd86.jpg?v=1735828808</image:loc>
      <image:title>Poly(vinyl phosphoric acid), sodium salt</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyvinylsulfonic-acid-sodium-salt-25-soln-in-water</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04392-polyvinylsulfonic-acid-sodium-salt-25-soln-in-water_86c08fc7-c950-4c3d-89cd-896a7a50627c.jpg?v=1735828814</image:loc>
      <image:title>Poly(vinylsulfonic acid) sodium salt, 25% soln. in water</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly-vinyl-alcohol-mw-25000-98-hydrolyzed</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04397_32876d19-fef3-4f1b-a7ea-35afd040cd49.jpg?v=1736778461</image:loc>
      <image:title>Poly(vinyl alcohol), MW 25000, 98% hydrolyzed</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly-vinyl-alcohol-mw-125000-88-hydrolyzed</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04398_2217044e-5d74-43d5-9b95-c6e61371659f.jpg?v=1736778464</image:loc>
      <image:title>Poly(vinyl alcohol), MW 125000, 88% hydrolyzed</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-monomethyl-ether</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04457-polyethylene-glycol-monomethyl-ether_602e98f6-1736-404f-ab60-266633dfd32f.jpg?v=1735828831</image:loc>
      <image:title>Poly(ethylene glycol) monomethyl ether</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/vinylferrocene</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04503_14d2caff-2e81-4a94-abee-deb7bb5bceed.jpg?v=1735828837</image:loc>
      <image:title>Vinylferrocene, ≥ 99%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/vinyltriethoxysilane-100g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_04537_1_1_4d5b9707-71da-42c3-bbc1-0f4e652e8685.png?v=1738253238</image:loc>
      <image:title>Vinyltriethoxysilane</image:title>
      <image:caption>Vinyltriethoxysilane - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/acridine-orange-ci-46005-very-high-purity</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_24603_1_1_1_b733a7f8-8202-479c-a764-7bbe145837d6.png?v=1738253238</image:loc>
      <image:title>Acridine orange, C.I. 46005, very high purity</image:title>
      <image:caption>Acridine orange, C.I. 46005, very high purity - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polymethyl-methacrylate-iv-125</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04552_3a12e9bb-cb04-4488-92b3-5694f01a6fb9-923631.jpg?v=1737983733</image:loc>
      <image:title>Poly(methyl methacrylate) [i.v. 1.25]</image:title>
      <image:caption>Poly(methyl methacrylate) [i.v. 1.25] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polymethyl-methacrylate-iv-040</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04553_2a2d0b6c-3175-47ed-a677-b45fb6aa88e3-451201.jpg?v=1737983733</image:loc>
      <image:title>Poly(methyl methacrylate) [i.v. 0.40]</image:title>
      <image:caption>Poly(methyl methacrylate) [i.v. 0.40] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylamideacrylic-acid</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04652-poly-acrylamide-acrylic-acid_245611f0-07b9-45e2-9304-e62a3459445f.jpg?v=1735828870</image:loc>
      <image:title>Poly(acrylamide/acrylic acid)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-n-octadecylacrylamide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/n-_n-octadecyl_acrylamide-04673_d04e81bd-5b74-4a45-b264-969e331d051c-438549.jpg?v=1737983421</image:loc>
      <image:title>N-(n-Octadecyl)acrylamide</image:title>
      <image:caption>N - (n - Octadecyl)acrylamide - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-hydroxyethyl-methacrylate-ophthalmic-grade</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_04675_1_1_1_56f8cb49-fdaf-42d7-b7a5-d4e8c26ac2c6.png?v=1738253238</image:loc>
      <image:title>2-Hydroxyethyl methacrylate, Ophthalmic Grade, ≥ 99.5%</image:title>
      <image:caption>2 - Hydroxyethyl methacrylate, Ophthalmic Grade, ≥ 99.5% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-bisphenol-a-diglycidyl-ether-adduct</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04686-polyethylene-glycol-bisphenol-a-diglycidyl-ether-adduct_66819a24-c129-449a-bd1b-13e13ff59a1a.jpg?v=1735828889</image:loc>
      <image:title>Poly(ethylene glycol)-bisphenol A diglycidyl ether adduct</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellulose-cyanoethyl-ether</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04687_e1dfe6e8-e2c9-4f40-a935-d1ca91fc2b56.jpg?v=1735828895</image:loc>
      <image:title>Cellulose, cyanoethyl ether</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cedarwood-oil</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/04851_24783faa-2d4a-4da7-9e17-012d0773ef71-871335.jpg?v=1737982945</image:loc>
      <image:title>Cedarwood oil</image:title>
      <image:caption>Cedarwood oil - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/dextran-mw-100-000-200-000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/05056_611b3bc0-3273-4597-b715-608b168013cd.jpg?v=1736778471</image:loc>
      <image:title>Dextran [MW 100,000-200,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellulose-hydroxyethyl-ether-mw-1000000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/05568-cellulose-hydroxyethyl-ether-mw1000000_20090c14-32f3-4677-9c69-2a304bf218f2.jpg?v=1736778475</image:loc>
      <image:title>Cellulose, hydroxyethyl ether (MW 1,000,000)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellulose-hydroxyethyl-ether-mw-720000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_a46f8c00-88f0-4d99-b840-b306226ba1ad-123099.jpg?v=1737982945</image:loc>
      <image:title>Cellulose, hydroxyethyl ether (MW 720,000)</image:title>
      <image:caption>Cellulose, hydroxyethyl ether (MW 720,000) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellulose-hydroxyethyl-ether-mw-90000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/05570-cellulose-hydroxyethyl-ether-mw90000_8bbd0fa5-4db0-49ff-8b3a-c47a3c882b6f.jpg?v=1736778478</image:loc>
      <image:title>Cellulose, hydroxyethyl ether (MW ~90,000)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/l-lactide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/05749_1_3c5f501a-79a7-4825-9baf-de207c1e0540.jpg?v=1735828929</image:loc>
      <image:title>L(-)-Lactide, ≥ 99.5%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/methyl-salicylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_19368_1_1_4815fac4-48cc-490d-a71c-c0093024ed52.png?v=1738253238</image:loc>
      <image:title>Methyl salicylate, ≥ 98%, USP</image:title>
      <image:caption>Methyl salicylate, ≥ 98%, USP - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/14-butanediol-dimethacrylate-min-90</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_05973_1_1_d94eb249-bacb-452b-b60f-dc2317ac034b.png?v=1738253238</image:loc>
      <image:title>1,4-Butanediol dimethacrylate, ≥ 92%</image:title>
      <image:caption>1,4 - Butanediol dimethacrylate, ≥ 92% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-monomethyl-ether-44649</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/05986-polyethylene-glycol-monomethyl-ether_2fd98b17-42ad-4f2e-9346-28c0e6626b02.jpg?v=1735828946</image:loc>
      <image:title>Poly(ethylene glycol) monomethyl ether</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyn-vinylpyrrolidone-mw-1000000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06067-polyn-vinylpyrrolidone-mw-1000000_0415a7db-5411-49ec-842d-952eb8ce644d.jpg?v=1735828952</image:loc>
      <image:title>Poly(N-vinylpyrrolidone), MW 1,000,000</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyvinyl-acetate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06069-polyvinyl-acetate_79e6ae9c-cd70-4d9e-b53f-5f0dadf7d826.jpg?v=1735828957</image:loc>
      <image:title>Poly(vinyl acetate)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polybutadiene-mw-3000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06081_253ab77e-c888-4823-ae1b-b1b159b367a1-121496.jpg?v=1737983867</image:loc>
      <image:title>Polybutadiene [MW 3,000]</image:title>
      <image:caption>Polybutadiene [MW 3,000] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylenimine-branched-mw-1800</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/basf_lupasol_pr8515_bpei_1800_cat_06089.png?v=1744041171</image:loc>
      <image:title>Polyethylenimine, Branched, Mw 2000 (bPEI 2000)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylenimine-branched-mw-50000-100000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_00618_2_2_1_4c4dbfd7-9631-4561-a66b-91d7aa28b0cd.png?v=1738253238</image:loc>
      <image:title>Polyethylenimine, branched (30% soln. in water, MW 70,000)</image:title>
      <image:caption>Polyethylenimine, branched (MW 50,000 - 100,000) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-mw-3400-pharma-grade</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06102-poly-ethylene-glycol-mw-200_d773fabf-a137-4f5f-8d53-b92be58480ed.jpg?v=1735828980</image:loc>
      <image:title>Poly(ethylene glycol) [MW 3,400; pharma grade]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-mw-7500</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06103-poly-ethylene-glycol-mw-7500_af35a180-e354-4127-bf97-09e65ff07df6.jpg?v=1735828986</image:loc>
      <image:title>Poly(ethylene glycol) [MW 7,500]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-oxide-mw-100000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06104-poly-ethylene-oxide-mw-100000_766efafe-5f2a-4b39-953a-be86e458c06a.jpg?v=1735828992</image:loc>
      <image:title>Poly(ethylene oxide) [MW 100,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-oxide-mw-600000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06106-poly-ethylene-oxide-mw-600000_82f6b372-5378-4720-a353-44459fd8b0b2-657039.jpg?v=1737983699</image:loc>
      <image:title>Poly(ethylene oxide) [MW 600,000]</image:title>
      <image:caption>Poly(ethylene oxide) [MW 600,000] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylenevinyl-acetate-6040-wt</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06107_5cdcd0d6-7429-4fc8-b1fa-7f3893421eef.jpg?v=1735829002</image:loc>
      <image:title>Poly(ethylene/vinyl acetate) [60:40 (wt)]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylenevinyl-acetate-7228-wt</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06108_37718f6d-5103-4809-84ff-91a97430c09a.jpg?v=1735829008</image:loc>
      <image:title>Poly(ethylene/vinyl acetate) [72:28 (wt)]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyoxyethylene-sorbitan-monolaurate-tween-20supsup</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06110_bdcfaaec-3142-44f9-9212-c96e6d222e7c-670114.jpg?v=1737983733</image:loc>
      <image:title>Poly(oxyethylene) sorbitan monolaurate (Tween 20®)</image:title>
      <image:caption>Poly(oxyethylene) sorbitan monolaurate (Tween 20®) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-2-nn-dimethylaminoethylmethacrylamide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06172-n-_2-_nn-dimethylamino_ethyl_methacrylamide_5e2c627d-a09c-44ef-a4b8-c40589f44a05.jpg?v=1735829019</image:loc>
      <image:title>N-[2-(N,N-Dimethylamino)ethyl]methacrylamide, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/oil-red-o-ci-26125-certified</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_1c4f69f8-1dda-4264-93e7-24e0f5571fcf-890993.jpg?v=1737983507</image:loc>
      <image:title>Oil Red O, C.I. 26125, certified</image:title>
      <image:caption>Oil Red O, C.I. 26125, certified - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/fuchsin-basic-certified-ci-42500</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06342-25_fuchsin_basic_79ca77c5-6679-4532-9f2b-aaf0e3f7c6b9-485600.jpg?v=1737983107</image:loc>
      <image:title>Fuchsin, basic, certified, C.I. 42500</image:title>
      <image:caption>Fuchsin, basic, certified, C.I. 42500 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/pentafluorophenyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06349_59db7272-0e14-4c59-91b9-499b4ce209a9.jpg?v=1735829036</image:loc>
      <image:title>Pentafluorophenyl acrylate, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/14-phenylene-diacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06389-1-4-phenylene_diacrylate_eb96ef53-4b91-4c29-b6d0-f5dba3a6989e.jpg?v=1735829041</image:loc>
      <image:title>1,4-Phenylene diacrylate-, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-powder-mw-1000000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06500_3_1d589432-1ccc-4fae-a213-bb324c47b5fd-393553.jpg?v=1737983639</image:loc>
      <image:title>Poly(acrylic acid), powder [MW ~ 1,000,000]</image:title>
      <image:caption>Poly(acrylic acid), powder [MW ~ 1,000,000] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-powder-mw-4000000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06501_2_609ac975-522f-454b-a480-6bb0c2c42ca3.jpg?v=1735829054</image:loc>
      <image:title>Poly(acrylic acid), powder [MW ~ 4,000,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-63-soln-in-water-mw-2000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06513_1_d22bf643-bb4a-4472-8058-c8e11f65987f-830684.jpg?v=1737983639</image:loc>
      <image:title>Poly(acrylic acid), 63% soln. in water [MW ~2,000]</image:title>
      <image:caption>Poly(acrylic acid), 63% soln. in water [MW ~2,000] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-50-soln-in-water-mw-5000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06519_1_5dcc1c99-eb60-4811-a0f7-5ed490ea6e64-914651.jpg?v=1737983639</image:loc>
      <image:title>Poly(acrylic acid), 50% soln. in water [MW ~ 5,000]</image:title>
      <image:caption>Poly(acrylic acid), 50% soln. in water [MW ~ 5,000] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyglycolic-acid-iv-10-20</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_06525_1_1_86efde8d-8aa4-4bd7-b360-89e072112242.png?v=1738253238</image:loc>
      <image:title>Poly(glycolic acid) [i.v. 1.0-2.0]</image:title>
      <image:caption>Poly(glycolic acid) [i.v. 1.0 - 2.0] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly4-vinylphenol</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06527_95bc3a46-879b-4d4a-a4db-3ed48822a819.jpg?v=1736778486</image:loc>
      <image:title>Poly(4-vinylphenol)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyl-lactic-acid-mw-140-160-k</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_18580_1_1_1_09170d84-9957-4697-8139-6b23e5049987.png?v=1738253238</image:loc>
      <image:title>Poly(L-lactic acid), IV 1.0 dL/g</image:title>
      <image:caption>Poly(L - lactic acid), IV 1.0 dL/g - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polypropylene-isotactic</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06536_75aa0d96-68cb-4082-9684-a7d5b0f1c6f2-471754.jpg?v=1737983982</image:loc>
      <image:title>Polypropylene, Isotactic</image:title>
      <image:caption>Polypropylene, Isotactic - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polybenzyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06562_95635587-75d2-4ac2-a5cd-8eaa51eb4e81.jpg?v=1735829095</image:loc>
      <image:title>Poly(benzyl methacrylate)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-sodium-salt-powder-mw-6000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06567-poly_acrylic-acid_-sodium-salt-powder_1_cc267d7d-32da-47fa-ab3b-cf46cbbce27c-331742.jpg?v=1737983639</image:loc>
      <image:title>Poly(acrylic acid), sodium salt, powder [MW ~ 6,000]</image:title>
      <image:caption>Poly(acrylic acid), sodium salt, powder [MW ~ 6,000] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-sodium-salt-powder-mw-2000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/06568_1_5eb0f6d3-5f9a-4218-83ea-d7d50e6415de.jpg?v=1735829107</image:loc>
      <image:title>Poly(acrylic acid), sodium salt, powder (MW ~ 2,000)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polytert-butyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/07037-polytert-butyl-methacrylate_38b24ca7-01f6-4720-a0ce-acf1c98c3e78.jpg?v=1735829113</image:loc>
      <image:title>Poly(tert-butyl methacrylate)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyiso-propyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/07052_1f59abd9-fed8-47aa-97a8-fb3c846c101f.jpg?v=1735829119</image:loc>
      <image:title>Poly(iso-propyl methacrylate)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polystyrenebutadiene-8515</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/07073-polystyrenebutadiene-8515_38e2792b-d9d4-4097-bf18-3d5ed438c02c.jpg?v=1735829124</image:loc>
      <image:title>Poly(styrene/butadiene) 85:15</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/storage-envelopes-unprinted-polyethylene-holds-325-x-425-neg-or-plates</loc>
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    <image:image>
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  <url>
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      <image:caption></image:caption>
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  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:caption></image:caption>
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  <url>
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    <loc>https://polysciences.com/products/batson-s-17-blue-pigment</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/07354-batsons_17-yellow-pigment_99ac7571-79b9-41a0-84c2-914ad871736a-512067.jpg?v=1737982896</image:loc>
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      <image:caption>Batson&apos;s #17 Yellow pigment - Polysciences</image:caption>
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    <loc>https://polysciences.com/products/batson-s-17-maceration-solution</loc>
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      <image:caption>Batson&apos;s #17 Maceration solution - Polysciences</image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_07375_8_cec105be-5166-4626-8c73-62674da1b57f.png?v=1738253238</image:loc>
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      <image:caption>Tweezers, 3 Rubis, standard tip - Polysciences</image:caption>
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      <image:caption>Tweezers, 3C Dumont INOX, standard tip - Polysciences</image:caption>
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      <image:caption>Tweezers, 5 Dumont INOX, standard tip - Polysciences</image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_07375_3_a39328d2-5e54-4492-9e65-a974ccdeef09.png?v=1738253142</image:loc>
      <image:title>Tweezers, 3C Dumont INOX, non-magnetic, standard tip</image:title>
      <image:caption>Tweezers, 3C Dumont INOX, non - magnetic, standard tip - Polysciences</image:caption>
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  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_07375_9_d59d5bb0-ee47-4d83-8fe0-e85853f2ba1d.png?v=1738253142</image:loc>
      <image:title>Tweezers, 3C Rubis, non-magnetic, standard tip</image:title>
      <image:caption>Tweezers, 3C Rubis, non - magnetic, standard tip - Polysciences</image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/07397_89e85a15-8b79-46fc-a718-d8ac45d419a4-161750.jpg?v=1737983421</image:loc>
      <image:title>Microprobes and Picks</image:title>
      <image:caption>Microprobes and Picks - Polysciences</image:caption>
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    <loc>https://polysciences.com/products/microscope-slides-plain</loc>
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      <image:title>Microscope Slides, Plain</image:title>
      <image:caption>Microscope Slides, Plain - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/polyethylene</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Polyethylene</image:title>
      <image:caption>Polyethylene - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/glutaraldehyde-em-grade-8-100</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/07710_1.jpg?v=1738860881</image:loc>
      <image:title>Glutaraldehyde, EM Grade, 8%</image:title>
      <image:caption>Glutaraldehyde, EM Grade, 8% - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/polybutadienemaleic-acid-11-molar-42-soln-in-water</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/07787-polybutadienemaleic-acid-11-molar-42-soln-in-water_9f71eecb-6624-470f-b60f-476040ae84f6.jpg?v=1735829230</image:loc>
      <image:title>Poly(butadiene/maleic acid) 1:1, 42% soln. in water</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://polysciences.com/products/polybutadienemaleic-anhydride-11-molar-25-soln-in-acetone</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/07788-poly-butadiene-maleic-anhydride-1-1-molar-25-soln-in-acetone_fa526071-43aa-4766-b09f-e8305e363557.jpg?v=1735829235</image:loc>
      <image:title>Poly(butadiene/maleic anhydride) 1:1 (molar), 25% soln. in acetone</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://polysciences.com/products/polymethyl-methacrylatemethacrylic-acid-7525</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/08208-poly-methyl-methacrylate-methacrylic-acid-75-25_1_3ffba988-6104-44ce-b095-6d020cf6fcdf.jpg?v=1735829246</image:loc>
      <image:title>Poly(methyl methacrylate/methacrylic acid) [75:25]</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-n-diglycidyl-ether-pegdge-200</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/08209_2_1_4b7d2837-93e5-414c-b3db-034e4ca7161b.jpg?v=1735829252</image:loc>
      <image:title>Poly(ethylene glycol) diglycidyl ether (PEGDGE 200)</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-n-diglycidyl-ether</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/08209_1_1_f5eeada7-ea91-47f1-bb2f-d80a1be4f952.jpg?v=1735829258</image:loc>
      <image:title>Poly(ethylene glycol) diglycidyl ether (PEGDGE 400)</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/poly-ethylene-glycol-diglycidyl-ether-pegdge-600</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/08211_581d8687-943d-4ab8-a65f-bfde60eaff2c.jpg?v=1735829264</image:loc>
      <image:title>Poly(ethylene glycol) diglycidyl ether (PEGDGE 600)</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/polymethyl-methacrylatemethacrylic-acid-8020</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/08221-poly-methyl_methacrylate-methacrylic-acid-80-20_1_e5ece89a-73c6-4d16-a057-ca0aa038f27c.jpg?v=1735829269</image:loc>
      <image:title>Poly(methyl methacrylate/methacrylic acid) [80:20]</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/n-2-hydroxypropylmethacrylamide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/08242_1_e1014f44-1815-450f-b762-721d9a0de22d.jpg?v=1735829276</image:loc>
      <image:title>N-(2-Hydroxypropyl)methacrylamide (HPMA), ≥ 97%</image:title>
      <image:caption></image:caption>
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    <loc>https://polysciences.com/products/indocyanine-green</loc>
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      <image:title>Indocyanine green</image:title>
      <image:caption>Indocyanine green - Polysciences</image:caption>
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    <loc>https://polysciences.com/products/polyethylene-branched</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Polyethylene, branched</image:title>
      <image:caption>Polyethylene, branched - Polysciences</image:caption>
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    <loc>https://polysciences.com/products/polystyrene-mw-600</loc>
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      <image:title>Polystyrene [MW ~ 600]</image:title>
      <image:caption>Polystyrene [MW ~ 600] - Polysciences</image:caption>
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      <image:title>Poly(methyl methacrylate), MW ~ 75,000 (PMMA 75K)</image:title>
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      <image:title>Formalin, 10% neutral buffered (phosphate buffer)</image:title>
      <image:caption>Formalin, 10% neutral buffered (phosphate buffer) - Polysciences</image:caption>
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      <image:title>Micron Micromolds Embedding Capsules</image:title>
      <image:caption>Micron Micromolds Embedding Capsules - Polysciences</image:caption>
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      <image:caption>Single Edge Razor blades, individually wrapped - Polysciences</image:caption>
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      <image:title>Coplin Staining Jar</image:title>
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      <image:title>Diamond Knife - Standard 3.0mm edge length</image:title>
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  <url>
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      <image:title>Dimethyldimyristylammonium Bromide</image:title>
      <image:caption>Dimethyldimyristylammonium Bromide - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/dlindma-10</loc>
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      <image:title>DLinDMA</image:title>
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      <image:caption>N - nitrophenyl palmitate - Polysciences</image:caption>
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  <url>
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  <url>
    <loc>https://polysciences.com/products/polyfurfuryl-alcohol</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/15794_c778ef06-7e4e-4239-a1ed-7d4e35ab71fd.jpg?v=1735829954</image:loc>
      <image:title>Poly(furfuryl alcohol)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/dicyclopentenyloxyethyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/15797_Dicyclopentenyloxyethyl_acrylate_65983-31-5.png?v=1754399808</image:loc>
      <image:title>Dicyclopentenyloxyethyl acrylate</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://polysciences.com/products/jb-4supsup-plastic-block-holders</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/15899_1_1_8ce86c7a-f01d-4bac-b430-9f06f97902dd-820354.jpg?v=1737983309</image:loc>
      <image:title>JB-4® Plastic Block Holders</image:title>
      <image:caption>JB - 4® Plastic Block Holders - Polysciences</image:caption>
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  </url>
  <url>
    <loc>https://polysciences.com/products/lowicrylsupsup-k4m-polar-kit-hydrophilic-35c-embedding-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/15923_691fb8f6-d9f8-4e8a-aee8-bced5b478fd1-927806.jpg?v=1737983310</image:loc>
      <image:title>Lowicryl® K4M Polar, Hydrophilic, -35ºC embedding kit</image:title>
      <image:caption>Lowicryl® K4M Polar, Hydrophilic, - 35ºC embedding kit - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/lowicrylsupsup-hm-20-non-polar-hydrophobic-70c-embedding-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Lowicryl® HM20 Non-polar, Hydrophobic, -70ºC Embedding Kit</image:title>
      <image:caption>Lowicryl® HM20 Non - polar, Hydrophobic, - 70ºC Embedding Kit - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/bis2-methacryloxyethyl-phosphate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Bis(2-methacryloxyethyl) phosphate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/bouin-s-fixative-bouin-s-fluid</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_16045_new_1_1_0fe1f3b2-2319-4111-95b4-fd29fa87bff8.png?v=1738253139</image:loc>
      <image:title>Bouin&apos;s Fixative (Bouin&apos;s Fluid)</image:title>
      <image:caption>Bouin&apos;s Fixative (Bouin&apos;s Fluid) - Polysciences</image:caption>
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  </url>
  <url>
    <loc>https://polysciences.com/products/lkb-huxley-chuck</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16207_1_6b52c15b-fcff-4c21-b222-304a28b013c8.jpg?v=1735829994</image:loc>
      <image:title>LKB Huxley Chuck</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/polystyrene-mw-1000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_e5cd0d0c-42c2-4bc0-92e3-436b6b37e631-491992.jpg?v=1737983982</image:loc>
      <image:title>Polystyrene [MW ~ 1,000]</image:title>
      <image:caption>Polystyrene [MW ~ 1,000] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polystyrene-mw-9000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Polystyrene [MW ~ 9,000]</image:title>
      <image:caption>Polystyrene [MW ~ 9,000] - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/polystyrene-mw-20000000</loc>
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      <image:title>Polystyrene [MW ~ 20,000,000]</image:title>
      <image:caption>Polystyrene [MW ~ 20,000,000] - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/polystyrenesulfonic-acid-sodium-salt-mw-4600</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Poly(styrenesulfonic acid), sodium salt [MW ~ 4,600]</image:title>
      <image:caption>Poly(styrenesulfonic acid), sodium salt [MW ~ 4,600] - Polysciences</image:caption>
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  <url>
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      <image:title>Poly(styrenesulfonic acid), sodium salt [MW ~ 8,000]</image:title>
      <image:caption>Poly(styrenesulfonic acid), sodium salt [MW ~ 8,000] - Polysciences</image:caption>
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  <url>
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      <image:title>Poly(styrenesulfonic acid), sodium salt [MW ~ 18,000]</image:title>
      <image:caption>Poly(styrenesulfonic acid), sodium salt [MW ~ 18,000] - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/polystyrenesulfonic-acid-sodium-salt-mw-220000</loc>
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      <image:title>Poly(styrenesulfonic acid), sodium salt [MW ~ 220,000]</image:title>
      <image:caption>Poly(styrenesulfonic acid), sodium salt [MW ~ 220,000] - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/polyethylene-oxide-b-propylene-oxide-ratio-0151</loc>
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      <image:title>Poly(ethylene oxide-b-propylene oxide) [ratio 0.15:1]</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/polyethylene-oxide-b-propylene-oxide-ratio-31</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Poly(ethylene oxide-b-propylene oxide) [ratio 3:1]</image:title>
      <image:caption></image:caption>
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  <url>
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      <image:title>Villanueva Osteochrome Bone Stain</image:title>
      <image:caption>Villanueva Osteochrome Bone Stain - Polysciences</image:caption>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16299_fb7b188e-2cb4-478d-8e70-b766862442f8-154016.jpg?v=1737983003</image:loc>
      <image:title>CMCP-9 Low viscosity mountant</image:title>
      <image:caption>CMCP - 9 Low viscosity mountant - Polysciences</image:caption>
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  <url>
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      <image:title>CMCP-10 High viscosity mountant</image:title>
      <image:caption>CMCP - 10 High viscosity mountant - Polysciences</image:caption>
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  <url>
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      <image:title>Dipentaerythritol pentaacrylate (mixture of tetra-, penta-, hexaacrylate)</image:title>
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  <url>
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      <image:title>Polystyrene [MW ~ 30,000,000]</image:title>
      <image:caption>Polystyrene [MW ~ 30,000,000] - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/3-sulfopropyldimethyl-3-methacrylamidopropylammonium-inner-salt</loc>
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      <image:title>Poly(D,L-lactic acid), IV 0.4 dL/g</image:title>
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      <image:title>Poly(L-lactide-co-glycolide), 70:30, IV 0.2 dL/g</image:title>
      <image:caption>Poly(L - lactide - co - glycolide), 70:30, IV 0.2 dL/g - Polysciences</image:caption>
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  <url>
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  <url>
    <loc>https://polysciences.com/products/dl-lactide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>DL-Lactide, ≥ 99.5%</image:title>
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  <url>
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      <image:caption>Polyethylene Molding Cup Trays, 6x12x5mm (20 cavities) - Polysciences</image:caption>
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  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Polyethylene glycol monomethyl ether monomethacrylate (PEGMMA 400) -</image:title>
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      <image:title>Poly(N-vinylpyrrolidone), MW 2,500</image:title>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16712_86b8a35e-717f-4ccf-8d05-d59eb511b9a3-657126.jpg?v=1737983867</image:loc>
      <image:title>Polyethylene glycol monomethacrylate (PEGMA 200)</image:title>
      <image:caption>Polyethylene glycol monomethacrylate (PEGMA 200) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-n-monomethacrylate-44017</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16713_3ee9c161-1628-4480-a1ba-924dec2d8573-488954.jpg?v=1737983867</image:loc>
      <image:title>Polyethylene glycol monomethacrylate (PEGMA 400)</image:title>
      <image:caption>Polyethylene glycol monomethacrylate (PEGMA 400) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/electropure-silver-stain-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16717_cbacb88c-da45-4953-9b07-84fc9a6b4045-268667.jpg?v=1737983052</image:loc>
      <image:title>ElectroPure™ Silver Stain Kit</image:title>
      <image:caption>ElectroPure™ Silver Stain Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/acrylic-cement-mc-bond</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16752_mc_bond_acrylkic_cement_web_2.jpg?v=1735675671</image:loc>
      <image:title>Acrylic cement, MC-Bond</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/jba-chuck-11-x-11mm-shaft</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16828_1_db707bf6-c9d1-44c8-942b-e40cd2b22e7f.jpg?v=1735830168</image:loc>
      <image:title>JBA Chuck, 11 x 11mm shaft</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/peg-4000-resin</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16861_6559153a-e65a-44e5-b53d-5a322f8f56f3-440732.jpg?v=1737983699</image:loc>
      <image:title>Poly(ethylene glycol) MW ~3,500, USP</image:title>
      <image:caption>Poly(ethylene glycol) MW ~3,500, USP - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polylem-fixative</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16864_7dd5193d-10a2-4a70-8f86-e123c1c7c6d4-753524.jpg?v=1737983800</image:loc>
      <image:title>Poly/LEM Fixative</image:title>
      <image:caption>Poly/LEM Fixative - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/plastic-uv-mount-mounting-media</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16866_dec97933-f6e4-4eac-9b81-6b196c5a79aa-225646.jpg?v=1737983639</image:loc>
      <image:title>Plastic UV Mount Mounting Media</image:title>
      <image:caption>Plastic UV Mount Mounting Media - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly-3-hydroxybutyric-acid</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16916-poly-3-hydroxybutyric-acid_1_25d573b3-97b6-449b-965f-19bc9eca4e4f.jpg?v=1735830190</image:loc>
      <image:title>Poly[(R)-3-hydroxybutyrate], Mn ~500,000</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyr-3-hydroxybutyrate-mw-500</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16930_07c56cd8-decb-455b-b844-1e6fedb41de5-665691.jpg?v=1737983982</image:loc>
      <image:title>Poly[(R)-3-hydroxybutyrate], Mn ~500</image:title>
      <image:caption>Poly[(R) - 3 - hydroxybutyrate], Mn ~500 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyr-3-hydroxybutyrate-mw-1000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16932_431867aa-bc00-4d20-b7f3-3a16c065194d.jpg?v=1735830201</image:loc>
      <image:title>Poly[(R)-3-hydroxybutyrate], Mn ~1,000</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyr-3-hydroxybutyrate-mw-2000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16934_eeb72c8c-b49e-4a21-b767-e6ae975ef9a1.jpg?v=1735830206</image:loc>
      <image:title>Poly[(R)-3-hydroxybutyrate], Mn ~2,000</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyr-3-hydroxybutyrate-mw-3000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16936_30103d7a-2b6f-49b0-a857-1a208671b33a-597623.jpg?v=1737983982</image:loc>
      <image:title>Poly[(R)-3-hydroxybutyrate], Mn ~3,000</image:title>
      <image:caption>Poly[(R) - 3 - hydroxybutyrate], Mn ~3,000 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyr-3-hydroxybutyrate-mw-5000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16938_4765906e-571e-4f40-bb5a-375a58f29dc7-567257.jpg?v=1737983982</image:loc>
      <image:title>Poly[(R)-3-hydroxybutyrate], Mn ~5,000</image:title>
      <image:caption>Poly[(R) - 3 - hydroxybutyrate], Mn ~5,000 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyr-3-hydroxybutyrate-mw-10000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16940_62f4dafb-e10c-4ca8-aa3b-1ad124689e34.jpg?v=1735830222</image:loc>
      <image:title>Poly[(R)-3-hydroxybutyrate], Mn ~10,000</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/4-methacryloxy-2-hydroxybenzophenone-min-94</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/16989-4-methacryloxy-2-hydroxybenzophenone_481e1f9d-b33d-497c-9e5d-fb61f8debe24.jpg?v=1735830228</image:loc>
      <image:title>4-Methacryloxy-2-hydroxybenzophenone, ≥ 94%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/hydroethidine8482-dihydroethidium-bromide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17084_a22e3d72-a753-40df-b9e8-441fc90096fa-582143.jpg?v=1737983308</image:loc>
      <image:title>Hydroethidine™ (Dihydroethidium)</image:title>
      <image:caption>Hydroethidine™ (Dihydroethidium bromide) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/glycolide-999</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17085_d646f345-7627-4289-ae37-1a5e013aaee3.jpg?v=1736778600</image:loc>
      <image:title>Glycolide, ≥ 99.5%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-mw-20000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_17172_polyethylene_glycol_0bf3ab72-1f7d-4511-b7f5-3f4424617652.png?v=1738253029</image:loc>
      <image:title>Poly(ethylene glycol) [MW ~ 20,000]</image:title>
      <image:caption>Poly(ethylene glycol) [MW ~ 20,000] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-molding-cup-trays-6x8x5mm-hexagon-9-cavities</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17177a-polyethylene-molding-cup-tray_3a100fb5-f05b-4381-b49f-2be38c8a9cb0-384307.jpg?v=1737983868</image:loc>
      <image:title>Polyethylene Molding Cup Trays, 6x8x5mm hexagon (9 cavities)</image:title>
      <image:caption>Polyethylene Molding Cup Trays, 6x8x5mm hexagon (9 cavities) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-molding-cup-trays-13x19x5mm-9-cavities</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_17177_b77e93f9-ac5b-4d1d-b54b-c809a2442033.png?v=1738253086</image:loc>
      <image:title>Polyethylene Molding Cup Trays, 13x19x5mm (9 cavities)</image:title>
      <image:caption>Polyethylene Molding Cup Trays, 13x19x5mm (9 cavities) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/3-sulfopropyl-acrylate-potassium-salt</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_17209_a73b3893-c2f7-4a66-aebe-565cfa4e19f2.png?v=1738253029</image:loc>
      <image:title>3-Sulfopropyl acrylate, potassium salt, ≥ 96.0%</image:title>
      <image:caption>3 - Sulfopropyl acrylate, potassium salt, ≥ 96.0% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/3-sulfopropyl-methacrylate-potassium-salt-98</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17210-3-sulfopropyl-methacrylate-potassium-salt-98_119382a6-3b5a-4826-9fd3-e823f46912ce.jpg?v=1735830273</image:loc>
      <image:title>3-Sulfopropyl methacrylate, potassium salt, ≥ 98%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-mw-8000-pharma-grade</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17243-poly-ethylene-glycol-mw-8000-pharma-grade_3a450487-5664-43d3-b199-1328f09e121b.jpg?v=1735830278</image:loc>
      <image:title>Poly(ethylene glycol), (MW 8000), Pharma grade</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/ruthenium-hexammine-trichloride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17253_725e451c-3a71-49b6-bdc4-3579b021135a-982043.jpg?v=1737984040</image:loc>
      <image:title>Ruthenium hexammine trichloride</image:title>
      <image:caption>Ruthenium hexammine trichloride - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/eosin-y-1-alcoholic-solution-non-acidic</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17269_599279db-7831-4f47-8d71-cebc52fb1829-754816.jpg?v=1737983053</image:loc>
      <image:title>Eosin Y, 1% alcoholic solution, Non-Acidic</image:title>
      <image:caption>Eosin Y, 1% alcoholic solution, Non - Acidic - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/4-methacryloxyethyl-trimellitic-anhydride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17285-4-methacryloxyethyl-trimellitic-anhydride_0212568b-e30d-4835-bb46-a4376bd43f90.jpg?v=1735830294</image:loc>
      <image:title>4-Methacryloxyethyl trimellitic anhydride</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyclear-solvent</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17326_1_1_259a002f-3e8e-49b6-9c53-b31fa5494edd.gif?v=1735830300</image:loc>
      <image:title>Poly/Clear Solvent</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polydiallyldimethylammonium-chloride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_17338_c890155f-6016-4118-b3d8-1088876335dc.png?v=1738253029</image:loc>
      <image:title>Poly(diallyldimethylammonium chloride) [MW ~ 240,000], Powder</image:title>
      <image:caption>Poly(diallyldimethylammonium chloride) [MW ~ 240,000], Powder - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/lr-white-embedding-media</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17411_689a49e3-9ab2-4ff7-8ae4-7c32f65fb976.jpg?v=1735830311</image:loc>
      <image:title>L.R. White Embedding Media</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/accelerator-for-lr-white</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17413_8d47b00c-0554-4ba3-a429-a9449782e81b-780263.jpg?v=1737982751</image:loc>
      <image:title>Accelerator for L.R. White</image:title>
      <image:caption>Accelerator for L.R. White - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/anti-human-neuron-specific-enolase-nse-in-rabbit-serum-lyophilized</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17437-anti-human-neuron-specific-enolase-nse-rabbit_51c5cf73-53b7-4679-94f5-18a18ad6c867-455125.jpg?v=1737982894</image:loc>
      <image:title>Anti-Human Neuron specific enolase (NSE) in rabbit, serum, lyophilized</image:title>
      <image:caption>Anti - Human Neuron specific enolase (NSE) in rabbit, serum, lyophilized - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/fungi-fluorsupsup-kit-for-fungal-detection-for-us-outside-of-europe-orders</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17442_7c7c1e19-fab6-40aa-a692-24c520de7582-297310.jpg?v=1737983107</image:loc>
      <image:title>Fungi-Fluor® Kit for Fungal Detection (for U.S. &amp; outside of Europe orders)</image:title>
      <image:caption>Fungi - Fluor® Kit for Fungal Detection (for U.S. &amp; outside of Europe orders) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-oxide-mw-200000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17503-poly-ethylene-oxide-mw-200000_e34c14ee-4959-48bb-82ee-2d588c5f2db9.jpg?v=1735830333</image:loc>
      <image:title>Poly(ethylene oxide) [MW ~200,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyvinyl-acetate-40-hydrolyzed</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17561-poly-vinyl-acetate-40-hydrolyzed_44389e40-c383-4f46-98e9-8e6b9780ed46.jpg?v=1735830339</image:loc>
      <image:title>Poly(vinyl acetate), 40% hydrolyzed</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/ultra-low-viscosity-embedding-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17706_85e0b102-94b7-479c-8669-dfb6524a3c08-867659.jpg?v=1737984162</image:loc>
      <image:title>Ultra Low Viscosity Embedding Kit</image:title>
      <image:caption>Ultra Low Viscosity Embedding Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/osteo-bed-bone-embedding-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17734-1_kit_osteo-bed_bone_embedding_resin_c11cf00f-32c3-47b6-9c27-ac5974f59a6d-889472.jpg?v=1737983507</image:loc>
      <image:title>Osteo-Bed Bone Embedding Kit</image:title>
      <image:caption>Osteo - Bed Bone Embedding Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/osteo-bed-bone-embedding-resin</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17734a_ee97d190-37d1-494a-9f03-b3e19eec097c-194745.jpg?v=1737983507</image:loc>
      <image:title>Osteo-Bed Bone Embedding Resin</image:title>
      <image:caption>Osteo - Bed Bone Embedding Resin - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/osteo-bed-bone-embedding-solvent</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17734b_3745c8fb-7f35-44b9-9c6a-122863ac3aed-709698.jpg?v=1737983507</image:loc>
      <image:title>Osteo-Bed Solvent Solution</image:title>
      <image:caption>Osteo - Bed Solvent Solution - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/osteo-bed-bone-embedding-catalyst</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17734c_c02616f8-4885-4fbb-8116-cb5952a63359-870140.jpg?v=1737983507</image:loc>
      <image:title>Osteo-Bed Embedding Catalyst</image:title>
      <image:caption>Osteo - Bed Embedding Catalyst - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/fast-blue</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17740-fast-blue_5cef0c14-8881-4c0b-9a41-4ef0cd7bd65a-734685.jpg?v=1737983052</image:loc>
      <image:title>Fast Blue (FB)</image:title>
      <image:caption>Fast Blue - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly2-vinylpyridine-mw-300000-400000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17770_44542ee2-febf-4695-84b9-00bb883da181.jpg?v=1735830378</image:loc>
      <image:title>Poly(2-vinylpyridine) [MW 300,000-400,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polymethyl-methacrylate-mw-100000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17913_4f7053b3-60a7-46e0-bef3-91d16dd78bc5-872361.jpg?v=1737983733</image:loc>
      <image:title>Poly(methyl methacrylate), MW 100000 (PMMA 100K)</image:title>
      <image:caption>Poly(methyl methacrylate), MW 100000 (PMMA 100K) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylenimine-branched-30-soln-in-water-mw-10000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/polyethylenimine-branched_2_1_5e44674c-31ab-4c79-b8c4-a339387c478e.jpg?v=1735830388</image:loc>
      <image:title>Polyethylenimine, Branched, Mw 10,000, 30% w/v aq. soln. (bPEI 10000 30% soln.)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-benzylmethacrylamide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17969_5f4d9ed4-b820-4bda-9bbc-1cf9daa3f90e.jpg?v=1735830399</image:loc>
      <image:title>N-Benzylmethacrylamide, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-n-morpholinoethyl-acrylate-95</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_6f1eec8d-a2f5-40ad-9eb7-a93b0abaae05-318689.jpg?v=1737982719</image:loc>
      <image:title>2-N-Morpholinoethyl acrylate, ≥ 95%</image:title>
      <image:caption>2 - N - Morpholinoethyl acrylate, ≥ 95% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-n-morpholinoethyl-methacrylate-95</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17978_1_1_fbd12c86-6e7f-4dca-934f-e58ac7986de0-270450.jpg?v=1737982719</image:loc>
      <image:title>2-N-Morpholinoethyl methacrylate, ≥ 95%</image:title>
      <image:caption>2 - N - Morpholinoethyl methacrylate, ≥ 95% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-acryloxyethyltrimethylammonium-chloride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/17981_5e00513b-f9c2-4a7a-abd0-a4a992a3e906.jpg?v=1735830415</image:loc>
      <image:title>2-Acryloxyethyltrimethylammonium chloride, 80% Aq. Soln.</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/diatrizoate-sodium</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_18152_2026b80f-4cf9-486d-ac1b-876f0a09d8ce.png?v=1738253029</image:loc>
      <image:title>Diatrizoate sodium, ≥ 99%</image:title>
      <image:caption>Diatrizoate sodium, ≥ 99% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/lowicrylsupsup-hm-23-non-polar-hydrophobic-80c-embedding-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_15924_lowicryl_747de333-9476-4d54-8057-a26d4d02c63f.png?v=1738253029</image:loc>
      <image:title>Lowicryl® HM23 Non-polar, hydrophobic, -80ºC embedding kit</image:title>
      <image:caption>Lowicryl® HM23 Non - polar, hydrophobic, - 80ºC embedding kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/lowicrylsupsup-k11m-polar-kit-hydrophilic-60c-embedding-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/18163_5bb2247f-c13e-499b-9e9f-7df09eace24d-320947.jpg?v=1737983310</image:loc>
      <image:title>Lowicryl® K11M Polar, Hydrophilic, -60ºC embedding kit</image:title>
      <image:caption>Lowicryl® K11M Polar, Hydrophilic, - 60ºC embedding kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polycaprolactam-mw-35000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/18179-polycaprolactam-mw-35000_ad230332-bbd2-445b-a23b-065440e457d7-629157.jpg?v=1737983867</image:loc>
      <image:title>Polycaprolactam (MW ~35,000)</image:title>
      <image:caption>Polycaprolactam (MW ~35,000) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/ruthenium-tetroxide-05-stabilized-aqueous-solution</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_18253_3_1_691460e3-9630-4e13-8f3e-f0ba719e9487.png?v=1738253029</image:loc>
      <image:title>Ruthenium tetroxide, 0.5% stabilized aqueous solution</image:title>
      <image:caption>Ruthenium tetroxide, 0.5% stabilized aqueous solution - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/florisilsupsup</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_florisil_1_1_3210e092-301d-4f89-8525-a5fd8c122d64.png?v=1738253029</image:loc>
      <image:title>Florisil®</image:title>
      <image:caption>Florisil® - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/microscope-slides-immunofluorescence</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_18357_image_1_c82342a7-bfc9-4f12-8766-5354d18c0823.png?v=1738253029</image:loc>
      <image:title>Microscope Slides, Immunofluorescence</image:title>
      <image:caption>Microscope Slides, Immunofluorescence - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/nylon-wool-fiber</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Nylon Wool Fiber</image:title>
      <image:caption>Nylon Wool Fiber - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly-l-lactic-acid-iv-1-8-dl-g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/18402-polyl-lactic-acid-mw-80000-100000_b176e555-ca76-4aa5-9814-f07c3424167b.jpg?v=1736778687</image:loc>
      <image:title>Poly(L-lactic acid), IV 1.8 dL/g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/contrad-70-soak-cleaner-from-decon-laboratories</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_18417_new_2_1_b1284384-43d6-4027-9004-3acf5b08c049.png?v=1738253029</image:loc>
      <image:title>Contrad® 70, soak cleaner from Decon Laboratories</image:title>
      <image:caption>Contrad® 70, soak cleaner from Decon Laboratories - Polysciences</image:caption>
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  </url>
  <url>
    <loc>https://polysciences.com/products/glutaraldehyde-em-grade-50</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_00376_1_1_1_5_b9cc3b76-4e31-473d-8647-881c81a07319.png?v=1738253029</image:loc>
      <image:title>Glutaraldehyde, EM Grade, 50%</image:title>
      <image:caption>Glutaraldehyde, EM Grade, 50% - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/poly-acrylamide-sodium-acrylate-70-30</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/18522-poly-acrylamide-sodium-acrylate70-30_aba93cdf-2d6b-45e6-8c40-d688371a9bf6.jpg?v=1735830486</image:loc>
      <image:title>Poly(acrylamide/sodium acrylate) [70:30]</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://polysciences.com/products/polystyrene-mw-50000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Polystyrene (MW ~50,000)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylamideacrylic-acid-6040</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Poly(acrylamide/acrylic acid) [60:40]</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/jb-4-plussupsup-embedding-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/18570_197a4b3a-aed8-482d-bdae-835290c70108-801747.jpg?v=1737983309</image:loc>
      <image:title>JB-4 Plus® Embedding Kit</image:title>
      <image:caption>JB - 4 Plus® Embedding Kit - Polysciences</image:caption>
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  </url>
  <url>
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      <image:title>JB-4 Plus® Embedding Kit - Solution A (Monomer)</image:title>
      <image:caption>JB - 4 Plus® Embedding Kit - Solution A (Monomer) - Polysciences</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/18570b_2064aba6-03aa-4a8d-b22e-5e13cd0c4fb9-997768.jpg?v=1737983309</image:loc>
      <image:title>JB-4 Plus® Embedding Kit - Solution B (Accelerator)</image:title>
      <image:caption>JB - 4 Plus® Embedding Kit - Solution B (Accelerator) - Polysciences</image:caption>
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  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>JB-4 Plus® Embedding Kit - Catalyst (Benzoyl Peroxide, Plasticized)</image:title>
      <image:caption>JB - 4 Plus® Embedding Kit - Catalyst (Benzoyl Peroxide, Plasticized) - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/poly-l-lactic-acid-iv-0-15-dl-g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Poly(L-lactic acid), IV 0.15 dL/g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly-l-lactic-acid-iv-5-0-dl-g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Poly(L-lactic acid), IV 5.0 dL/g</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://polysciences.com/products/polyl-lactic-acid-molecular-weight-kit</loc>
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    <changefreq>daily</changefreq>
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      <image:title>Poly(L-lactic acid) Molecular Weight Kit</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/aqua-polymount</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Aqua-Poly/Mount</image:title>
      <image:caption>Aqua - Poly/Mount - Polysciences</image:caption>
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    <loc>https://polysciences.com/products/polyacrylic-acid-sodium-salt-40-soln-in-water-mw-3000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/18608_1_3d2cb5fe-0970-4472-895a-13bdc9a64edf.jpg?v=1735830547</image:loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-sodium-salt-35-soln-in-water-mw-60000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/18611_6e8db031-5743-45cb-a1bc-45d67f354df5.jpg?v=1735830552</image:loc>
      <image:title>Poly(acrylic acid), sodium salt, 35% soln. in water [MW ~ 120,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-sodium-salt-20-soln-in-water-mw-225000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Poly(acrylic acid), sodium salt, 20% soln. in water [MW ~ 225,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/pyronin-y-ci-45005-certified</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:caption>Pyronin Y, C.I. 45005, certified - Polysciences</image:caption>
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    <loc>https://polysciences.com/products/polycut-ease</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>PolyCut - Ease - Polysciences</image:caption>
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    <loc>https://polysciences.com/products/polyl-lysine-hydrobromide-mw-40000-60000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Poly(l-lysine hydrobromide) [MW ~50,000]</image:title>
      <image:caption></image:caption>
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    <loc>https://polysciences.com/products/peel-a-waysupsup-embedding-mold-square-s22</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Peel-A-Way® Embedding Mold (Square - S22)</image:title>
      <image:caption>Peel - A - Way® Embedding Mold (Square - S22) - Polysciences</image:caption>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Peel-A-Way® Embedding Mold (Rectangular - R30)</image:title>
      <image:caption>Peel - A - Way® Embedding Mold (Rectangular - R30) - Polysciences</image:caption>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Peel-A-Way® Embedding Mold (Rectangular - R40)</image:title>
      <image:caption>Peel - A - Way® Embedding Mold (Rectangular - R40) - Polysciences</image:caption>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Peel-A-Way® Disposable Embedding Molds Sampler Pack</image:title>
      <image:caption>Peel - A - Way® Disposable Embedding Molds Sampler Pack - Polysciences</image:caption>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_18661_2_1_5dd5dbab-5fe7-4d25-ac5c-3f88bd9fd2d6.png?v=1738253029</image:loc>
      <image:title>Cacodylic acid, sodium salt, solution, 0.2M, pH 7.4</image:title>
      <image:caption>Cacodylic acid, sodium salt, solution, 0.2M, pH 7.4 - Polysciences</image:caption>
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    <loc>https://polysciences.com/products/polyvinylidene-fluoride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/polymethyl-methacrylate-mw-185000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_pmma_4_2c98b8b5-806a-453d-88ce-6e850c463990.png?v=1738253029</image:loc>
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      <image:caption>Poly(methyl methacrylate), MW ~ 185,000 (PMMA 185K) - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/formaldehyde-16-methanol-free-ultra-pure</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/18814_1_9de6d7d1-6e42-4fcd-8eac-cae848569eb9-573970.jpg?v=1737983105</image:loc>
      <image:title>Formaldehyde, 16%, methanol free, Ultra Pure</image:title>
      <image:caption>Formaldehyde, 16%, methanol free, Ultra Pure - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/grids-hexagonal-mesh-grids-standard-100mesh-coppernickel</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_defe3695-a417-4d64-9da6-1a227a7f0563-813099.jpg?v=1737983251</image:loc>
      <image:title>Grids - Hexagonal Mesh Grids - Standard - 100mesh (Nickel)</image:title>
      <image:caption>Grids - Hexagonal Mesh Grids - Standard - 100mesh (Nickel) - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/grids-hexagonal-mesh-grids-standard-150mesh</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_5c0b233a-7226-4a36-a0bd-da1b1336ec47-220096.jpg?v=1737983251</image:loc>
      <image:title>Grids - Hexagonal Mesh Grids - Standard - 150mesh (Copper)</image:title>
      <image:caption>Grids - Hexagonal Mesh Grids - Standard - 150mesh (Copper) - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/grids-hexagonal-mesh-grids-standard-150mesh-43780</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Grids - Hexagonal Mesh Grids - Standard - 150mesh (Nickel) - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/grids-hexagonal-mesh-grids-standard-200mesh</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Grids - Hexagonal Mesh Grids - Standard - 200mesh (Copper) - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/grids-hexagonal-mesh-grids-standard-200mesh-40580</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Grids - Hexagonal Mesh Grids - Standard - 200mesh (Nickel)</image:title>
      <image:caption>Grids - Hexagonal Mesh Grids - Standard - 200mesh (Nickel) - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/grids-hexagonal-mesh-grids-standard-300mesh</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_ce228acd-fb26-4715-9460-f660e0eb7cc0-412014.jpg?v=1737983251</image:loc>
      <image:title>Grids - Hexagonal Mesh Grids - Standard - 300mesh (Nickel)</image:title>
      <image:caption>Grids - Hexagonal Mesh Grids - Standard - 300mesh (Nickel) - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/grids-hexagonal-mesh-grids-standard-400mesh</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_1dd94d12-11ef-46f3-81da-fbf66747b324-756950.jpg?v=1737983251</image:loc>
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      <image:caption>Grids - Hexagonal Mesh Grids - Standard - 400mesh (Copper) - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/grids-hexagonal-mesh-grids-standard-400mesh-43822</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_d9d74bd4-3f36-435b-8375-4fadcd7c8c43-192948.jpg?v=1737983251</image:loc>
      <image:title>Grids - Hexagonal Mesh Grids - Standard - 400mesh (Gold)</image:title>
      <image:caption>Grids - Hexagonal Mesh Grids - Standard - 400mesh (Gold) - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/peel-a-waysupsup-embedding-mold-truncated-t8</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Peel-A-Way® Embedding Mold (Truncated - T8)</image:title>
      <image:caption>Peel - A - Way® Embedding Mold (Truncated - T8) - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/peel-a-waysupsup-embedding-mold-truncated-t12</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/18986_ed9f765e-6ba9-4b84-a941-c962883268db-888050.jpg?v=1737983561</image:loc>
      <image:title>Peel-A-Way® Embedding Mold (Truncated - T12)</image:title>
      <image:caption>Peel - A - Way® Embedding Mold (Truncated - T12) - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/poly-d-l-lactide-co-glycolide-90-10-iv-0-2-dl-g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19076_6f487864-d6c3-421b-8877-7faf3e6eba6b.jpg?v=1736778706</image:loc>
      <image:title>Poly(D,L-lactide-co-glycolide), 90:10, IV 0.2 dL/g</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/poly-d-l-lactide-co-glycolide-80-20-iv-0-2-dl-g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19077_4416f95d-e608-47bf-ba73-0ef04399f1fd-484963.jpg?v=1737983699</image:loc>
      <image:title>Poly(D,L-lactide-co-glycolide), 80:20, IV 0.2 dL/g</image:title>
      <image:caption>Poly(D,L - lactide - co - glycolide), 80:20, IV 0.2 dL/g - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/alcian-blue-8gx-ci-74240</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Alcian Blue 8GX, C.I. 74240 - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/1h1h2h2h-heptadecafluorodecyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>1H,1H,2H,2H-Heptadecafluorodecyl methacrylate, ≥ 94%</image:title>
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  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-n-distearate-44059</loc>
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      <image:title>Poly(ethylene glycol) distearate, MW ~6,000</image:title>
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  <url>
    <loc>https://polysciences.com/products/poly2-vinylpyridine-mw-200000-400000</loc>
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      <image:title>Poly(2-vinylpyridine) [MW 200,000-400,000]</image:title>
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      <image:title>Poly(D,L-lactide-co-glycolide), 70:30, IV 0.2 dL/g</image:title>
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      <image:title>Cyanoditolyl Tetrazolium Chloride (CTC)</image:title>
      <image:caption>Cyanoditolyl Tetrazolium Chloride (CTC) - Polysciences</image:caption>
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  <url>
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      <image:caption>Thiazole orange - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/chien-embedding-molds-universal</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19440_1_b585c265-0d07-432d-9b1e-bdf433e99301-297572.jpg?v=1737983002</image:loc>
      <image:title>Chien Embedding Molds, Universal</image:title>
      <image:caption>Chien Embedding Molds, Universal - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/uvitex-2b</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19517_d928eb8c-7e39-4102-a3eb-93093e76db0e-490546.jpg?v=1737984204</image:loc>
      <image:title>Uvitex 2B, ≥ 97%</image:title>
      <image:caption>Uvitex 2B, ≥ 97% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polymethyl-methacrylatemethacrylic-acid</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19629-poly-methyl-methacrylate-methacrylic-acid_fdfcd571-1aa8-4e4b-83e9-d7e6ff9bab0d.jpg?v=1735830748</image:loc>
      <image:title>Poly(methyl methacrylate/methacrylic acid)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyfreeze-tissue-freezing-medium-clear</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/clear_1_1_a765bc23-4775-4e09-a98f-a9f1cf500a6d-741971.jpg?v=1737983982</image:loc>
      <image:title>PolyFreeze (Tissue Freezing Medium) - Clear</image:title>
      <image:caption>PolyFreeze (Tissue Freezing Medium) - Clear - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/xtt</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only-431927_414ec45e-b7ed-44a8-8b32-ec174a39dd96.jpg?v=1738165572</image:loc>
      <image:title>XTT</image:title>
      <image:caption>XTT - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/glass-ultra-microtome-100mm-x-50mm-x-12mm-thick</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19748_462f0580-b2d1-4a00-847c-1d3495d75464-489624.jpg?v=1737983249</image:loc>
      <image:title>Glass, Ultra Microtome, 100mm x 50mm x 12mm thick</image:title>
      <image:caption>Glass, Ultra Microtome, 100mm x 50mm x 12mm thick - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/neodymium-iron-magnet</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_2fc10edc-311c-4416-9813-747503df7ade-965257.jpg?v=1737983423</image:loc>
      <image:title>Neodymium Iron Magnet</image:title>
      <image:caption>Neodymium Iron Magnet - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/microscope-slide-holder-peel-a-way</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19801_ad3ac8fc-bb30-4f43-b711-3e91061b4de5-499520.jpg?v=1737983421</image:loc>
      <image:title>Microscope Slide Holder, Peel-A-Way®</image:title>
      <image:caption>Microscope Slide Holder, Peel - A - Way® - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/microscope-slide-holder-peel-a-way-1</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19801_aa87bb46-ed1c-4150-96a0-d49e853fe517-570793.jpg?v=1737983561</image:loc>
      <image:title>Peel-A-Way® Slide Grip SG-5 (24 carton case)</image:title>
      <image:caption>Peel - A - Way® Slide Grip SG - 5 (24 carton case) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/peel-a-waysupsup-tissue-capsules</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19802a_db396ecf-f8b8-4250-80d0-27926c2e847f-316019.jpg?v=1737983561</image:loc>
      <image:title>Peel-A-Way® Tissue Capsules</image:title>
      <image:caption>Peel - A - Way® Tissue Capsules - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/plastic-weighing-dish-1-carton</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19803a_215d7eb4-c94f-4ee6-9a1e-baee09dcbf5d-376628.jpg?v=1737983639</image:loc>
      <image:title>Plastic weighing dish (1 carton)</image:title>
      <image:caption>Plastic weighing dish (1 carton) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polybutadiene-mw-200000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19808_cce9d347-81cd-46e9-a8e9-5bf750ca40ff-906423.jpg?v=1737983867</image:loc>
      <image:title>Polybutadiene (MW ~200,000)</image:title>
      <image:caption>Polybutadiene (MW ~200,000) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/octenylsuccinic-anhydride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_19830_fa03509b-43d0-4be1-84fa-89876e3d6dce.png?v=1738252965</image:loc>
      <image:title>Octenylsuccinic anhydride, ≥ 95.0%</image:title>
      <image:caption>Octenylsuccinic anhydride, ≥ 95.0% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polydiallyldimethylammonium-chloride-43189</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_19898_2257e1a0-11b3-4b10-8e14-c65cf3bde997.png?v=1738252965</image:loc>
      <image:title>Poly(diallyldimethylammonium chloride) [MW ~ 240,000], 28 wt. % in H2O</image:title>
      <image:caption>Poly(diallyldimethylammonium chloride) [MW ~ 240,000], 28 wt. % in H2O - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylamide-mw-600000-1000000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/19901-polyacrylamide-mw-400_000-1_000_000_f65baef6-8497-422d-ad3a-c6761831d120.jpg?v=1736778716</image:loc>
      <image:title>Polyacrylamide 10% in water (MW 400,000 - 1,000,000)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-acryloxysuccinimide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_19930_1_1_abb1343a-9988-4ffb-8af5-6cd30dd19d6b.png?v=1738252965</image:loc>
      <image:title>N-Acryloxysuccinimide</image:title>
      <image:caption>N - Acryloxysuccinimide - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-aminoethyl-methacrylate-hydrochloride-min-95</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21002_1101ffba-5769-4a54-9d13-6742f4cc84f1.jpg?v=1735830831</image:loc>
      <image:title>2-Aminoethyl methacrylate hydrochloride, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/osmium-ammine-b</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24185-coumarin_2_af4a3ab5-a5d7-4c88-a3d0-2600144c3165-378507.jpg?v=1737983507</image:loc>
      <image:title>Osmium ammine-B</image:title>
      <image:caption>Osmium ammine - B - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/1h1h5h-octafluoropentyl-methacrylate-min-98</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21045_903e3c85-8d31-4cb8-ae28-9638a8654a3b.jpg?v=1735830842</image:loc>
      <image:title>1H,1H,5H-Octafluoropentyl methacrylate, ≥ 98%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cresyl-violet-acetate-certified</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21063-cresyl-violet-acetate-certified_2485332e-2f1c-4853-b5f6-a13de2c5a5c3-965297.jpg?v=1737983003</image:loc>
      <image:title>Cresyl violet acetate, certified</image:title>
      <image:caption>Cresyl violet acetate, certified - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/pullulan-desalinized</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21115-pullulan-desalinized_a183f0ea-8599-482e-b66e-a1fed28672a2.jpg?v=1735830854</image:loc>
      <image:title>Pullulan, desalinized</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/chitosan-purified-powder-mw-15000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21161-chitosan-purified-powder-mw-15000_b0758512-67e4-4361-84b0-2e8f3c8019e1.jpg?v=1735830859</image:loc>
      <image:title>Chitosan, Purified Powder (MW ~15,000)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyguard-paraffin-repellent</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_21168b_new_1_1_52b62033-d6e2-4623-bb3a-995963e4c7ea.png?v=1738252965</image:loc>
      <image:title>PolyGuard, Paraffin Repellent</image:title>
      <image:caption>PolyGuard, Paraffin Repellent - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polymethacrylic-acid-ammonium-salt-30-soln-in-water</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_21169_1_1_2e4bb89c-637f-4ae0-8d44-45c3992da9f2.png?v=1738252964</image:loc>
      <image:title>Poly(methacrylic acid) ammonium salt, 30% soln. in water</image:title>
      <image:caption>Poly(methacrylic acid) ammonium salt, 30% soln. in water - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polymethacrylic-acid-sodium-salt-30-soln-in-water</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21170-poly-methacrylic-acid-sodium-salt-30-soln-in-water_701729d1-df37-40c0-8298-f0f29731e550.jpg?v=1736778719</image:loc>
      <image:title>Poly(methacrylic acid) sodium salt, 30% soln. in water</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-3-aminopropylmethacrylamide-hydrochloride-98</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_21200_1_1ac9a382-fca6-4a67-bcd9-7ce50eaf0164.png?v=1738252965</image:loc>
      <image:title>N-(3-Aminopropyl)methacrylamide hydrochloride, ≥ 98%</image:title>
      <image:caption>N - (3 - Aminopropyl)methacrylamide hydrochloride, ≥ 98% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellulose-methyl-hydroxyethyl-ether</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21275_211abc7e-6685-45f9-a830-6e45a8bc1052.jpg?v=1735830887</image:loc>
      <image:title>Cellulose, methyl hydroxyethyl ether</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly2-chloro-13-butadiene</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21289-poly2-chloro-13-butadiene_c021ac95-c66f-4a7b-9219-fd1f31f4b6bf.jpg?v=1735830892</image:loc>
      <image:title>Poly(2-chloro-1,3-butadiene)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-oxide-mw-1000000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21295-poly-ethylene-oxide-mw-1000000_f8b5b211-e4d3-4566-867f-fca423364cd6.jpg?v=1735830898</image:loc>
      <image:title>Poly(ethylene oxide) (MW ~1,000,000)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-oxide-mw-8000000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21296-poly-ethylene-oxide-mw-8000000_b64d938f-9c52-45c9-b146-7421db59ec72.jpg?v=1735830903</image:loc>
      <image:title>Poly(ethylene oxide) [MW 8,000,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/vinyl-azlactone</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21329-vinyl-azlactone_6069355c-90db-4ff8-889f-df63a5396969.jpg?v=1735830908</image:loc>
      <image:title>Vinyl azlactone, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly2-vinylpyridine-mw-40000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21382_72a66c64-a068-469b-aa45-aa3bbd813af6.jpg?v=1735830914</image:loc>
      <image:title>Poly(2-vinylpyridine) [MW ~40,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyl-lysine-hydrobromide-43376</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21430-poly-l-lysine-hydrobromide-mw-120000_6d4743b1-a43d-49dd-b612-fcf725d32b09.jpg?v=1735830920</image:loc>
      <image:title>Poly(l-lysine hydrobromide) [MW ~120,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/benzoyl-peroxide-70-active-water-wet</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21446_1_14eae88e-daf2-4f8f-bc20-39b294137a8d-542363.jpg?v=1737982895</image:loc>
      <image:title>Benzoyl peroxide, 70% active (water wet)</image:title>
      <image:caption>Benzoyl peroxide, 70% active (water wet) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/uranyl-acetate-98-acs-reagent</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21447_33ba64bd-8196-43fc-92ef-45f4ee3504b8.jpg?v=1735830932</image:loc>
      <image:title>Uranyl Acetate, ≥ 98%, ACS Grade</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyn-iso-propylacrylamide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/21458_1_3b78ea86-20d9-499b-8089-0bb682a94b2a.jpg?v=1735830938</image:loc>
      <image:title>Poly(N-iso-propylacrylamide)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tissue-cassette-iv-blue</loc>
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  <url>
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  <url>
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  <url>
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  <url>
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  </url>
  <url>
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  <url>
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  <url>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/b-cyclodextrin-2</loc>
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      <image:title>β-Cyclodextrin</image:title>
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  </url>
  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/22505-poly-dl-lactic-acid-mw-15000_ecf28109-7bdc-47b7-b484-04dc532440b1.jpg?v=1735831232</image:loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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      <image:caption>JB - 4® Mini Embedding kit - Polysciences</image:caption>
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  <url>
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  </url>
  <url>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    </image:image>
  </url>
  <url>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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  </url>
  <url>
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  <url>
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  </url>
  <url>
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      <image:title>Grid Storage Unit - 50 grids (5 pack)</image:title>
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  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://polysciences.com/products/embedding-stubs-polyethylene-light-microscopy-4mm-thin-white</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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  <url>
    <loc>https://polysciences.com/products/embedding-stubs-polyethylene-light-microscopy-10mm-thick-mixed</loc>
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    <changefreq>daily</changefreq>
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  <url>
    <loc>https://polysciences.com/products/beemsupsup-flat-transparent</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>BEEM®, Flat, Transparent</image:title>
      <image:caption>BEEM®, Flat, Transparent - Polysciences</image:caption>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23258_1_4e3f1859-fcc3-46e3-ac49-be804bb88371-195097.jpg?v=1737983052</image:loc>
      <image:title>Embedding Molds - Silicone, Flat, Numbered Cavities - Opaque</image:title>
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    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/embedding-molds-silicone-round</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23260_1_d4f69f19-bf55-4323-ab9e-b642e48a0877-489790.jpg?v=1737983052</image:loc>
      <image:title>Embedding Molds - Silicone, Round</image:title>
      <image:caption>Embedding Molds - Silicone, Round - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/embedding-molds-multispecimen-flat-opaque</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23261_ee146969-57d5-40b1-94db-7d6c4f0c50c0-321612.jpg?v=1737983052</image:loc>
      <image:title>Embedding Molds - Multispecimen, Flat - Opaque</image:title>
      <image:caption>Embedding Molds - Multispecimen, Flat - Opaque - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/osmium-tetroxide-2-solution-10-x-2ml</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23310_3ab434e1-64a0-41a9-a3ba-5dd7d83daedf-620123.jpg?v=1737983507</image:loc>
      <image:title>Osmium tetroxide, 2% solution - 10 x 2ml</image:title>
      <image:caption>Osmium tetroxide, 2% solution - 10 x 2ml - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/osmium-tetroxide-2-solution-10-x-5ml</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23311_7760812a-01da-4bc8-a1b3-d5baab74fb90-785586.jpg?v=1737983507</image:loc>
      <image:title>Osmium tetroxide, 2% solution - 10 x 5ml</image:title>
      <image:caption>Osmium tetroxide, 2% solution - 10 x 5ml - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-decyl-methacrylate-99</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only-431927_63a6d6c4-d321-4d23-8f30-178169a0b2e7-219723.jpg?v=1738078219</image:loc>
      <image:title>n-Decyl methacrylate, ≥ 99%</image:title>
      <image:caption>n - Decyl methacrylate, ≥ 99% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/4-methacryloxy-2-hydroxybenzophenone-min-99</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only-431927_1651a454-dfc3-4fdc-b38b-86a8e5a6ddec-638345.jpg?v=1738078009</image:loc>
      <image:title>4-Methacryloxy-2-hydroxybenzophenone, ≥ 99%</image:title>
      <image:caption>4 - Methacryloxy - 2 - hydroxybenzophenone, ≥ 99% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-octyl-methacrylate-99</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only-431927_d927eaa1-fe3d-466d-b42b-1ecf40eab1b3-795605.jpg?v=1738078219</image:loc>
      <image:title>n-Octyl methacrylate, ≥ 99%</image:title>
      <image:caption>n - Octyl methacrylate, ≥ 99% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tweezers-5a-dumont-inox-standard-oblique-tip</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_23552_a8aadcd8-1854-480f-89a1-94bd97d95822.png?v=1738252964</image:loc>
      <image:title>Tweezers, 5a Dumont INOX, standard oblique tip</image:title>
      <image:caption>Tweezers, 5a Dumont INOX, standard oblique tip - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tweezers-ss-dumont-inox-standard-tip</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_23553_f33586cb-a8ce-483f-992b-5d6fcb598ab4.png?v=1738252964</image:loc>
      <image:title>Tweezers, SS Dumont INOX, standard tip</image:title>
      <image:caption>Tweezers, SS Dumont INOX, standard tip - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tweezers-ss-rubis-standard-tip</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_23553_2_33a165e9-36ec-479e-8c8b-5d14f6b76293.png?v=1738252964</image:loc>
      <image:title>Tweezers, SS Rubis, standard tip</image:title>
      <image:caption>Tweezers, SS Rubis, standard tip - Polysciences</image:caption>
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  </url>
  <url>
    <loc>https://polysciences.com/products/9-anthracenylmethyl-methacrylate-ge-98-5</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_23587_fluoro_1_1_1_dc354b2f-b86f-4bae-8c3a-6668ae6462cd.png?v=1738252964</image:loc>
      <image:title>9-Anthracenylmethyl methacrylate, ≥ 98.5%</image:title>
      <image:caption>9 - Anthracenylmethyl methacrylate, ≥ 98.5% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/fluorescein-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_23589_fluoro_1_1_1_53e3dd96-8b33-4eec-94fe-53b6e8f7885b.png?v=1738252964</image:loc>
      <image:title>Fluorescein dimethacrylate</image:title>
      <image:caption>Fluorescein dimethacrylate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/methacryloxyethyl-thiocarbamoyl-rhodamine-b</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_23591_1_1_c546f998-5f01-4678-819a-4d1b5d72ac88.png?v=1738252964</image:loc>
      <image:title>Methacryloxyethyl thiocarbamoyl rhodamine B</image:title>
      <image:caption>Methacryloxyethyl thiocarbamoyl rhodamine B - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-naphthyl-methacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_23602_fluoro_1_1_1_a5519a57-60dd-4227-8181-5f7edf3ff7cd.png?v=1738252964</image:loc>
      <image:title>2-Naphthyl methacrylate</image:title>
      <image:caption>2 - Naphthyl methacrylate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polystyrene-mw-800-5000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23637_35cd33fa-37e7-432b-bf46-9b93afb09ca6-751713.jpg?v=1737983982</image:loc>
      <image:title>Polystyrene (MW ~40,000)</image:title>
      <image:caption>Polystyrene (MW ~40,000) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/monostep-lowicrylsupsup-k4-m-polar-embedding-media</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23646_338a2e28-d3f2-4b35-9d2c-0e3e8a60f71a-650186.jpg?v=1737983421</image:loc>
      <image:title>MonoStep™ Lowicryl® K4M Polar Embedding Media</image:title>
      <image:caption>MonoStep™ Lowicryl® K4M Polar Embedding Media - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/16-hexanediol-diacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_23671_1_6-hexanediol_diacrylate_structure_f8adac00-95d3-471b-9e5d-7605f9e494a9.png?v=1738252963</image:loc>
      <image:title>1,6-Hexanediol diacrylate, ≥ 85%</image:title>
      <image:caption>1,6 - Hexanediol diacrylate, ≥ 85% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/16-hexanediol-dimethacrylate-min-98</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23672_1_18a32a0e-71d7-4d50-b9dd-8f9ad0e78afd-673348.jpg?v=1737982719</image:loc>
      <image:title>1,6-Hexanediol dimethacrylate, ≥ 98%</image:title>
      <image:caption>1,6 - Hexanediol dimethacrylate, ≥ 98% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/methyl-methacrylate-embedding-and-casting-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23679_b590531f-2914-4554-be4f-3756218a144e-413138.jpg?v=1737983363</image:loc>
      <image:title>Methyl Methacrylate Embedding and Casting Kit</image:title>
      <image:caption>Methyl Methacrylate Embedding and Casting Kit - Polysciences</image:caption>
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  </url>
  <url>
    <loc>https://polysciences.com/products/anti-albumin-human-serum-in-rabbit-igg-fraction</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23716_74267488-abc7-402b-b3e8-a78e2894fd05-214494.jpg?v=1737982894</image:loc>
      <image:title>Anti-Albumin (human serum) in rabbit, IgG fraction</image:title>
      <image:caption>Anti - Albumin (human serum) in rabbit, IgG fraction - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/anti-esterase-porcine-liver-in-rabbit-igg-fraction</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_a1f901d2-03f6-497c-adf3-3789a2284e01-650157.jpg?v=1737982894</image:loc>
      <image:title>Anti-Esterase (porcine liver) in rabbit, IgG fraction</image:title>
      <image:caption>Anti - Esterase (porcine liver) in rabbit, IgG fraction - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/anti-ovalbumin-egg-white-in-rabbit-igg-fraction</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_23744_da1e2240-0203-4407-bea9-e551365dc916.png?v=1738252964</image:loc>
      <image:title>Anti-Ovalbumin (egg white) in rabbit, IgG fraction</image:title>
      <image:caption>Anti - Ovalbumin (egg white) in rabbit, IgG fraction - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/anti-transferrin-human-in-rabbit-igg-fraction</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_f65fda2a-3d9f-4470-98e4-eb3b9fc7c005-413461.jpg?v=1737982894</image:loc>
      <image:title>Anti-Transferrin (human) in rabbit, IgG fraction</image:title>
      <image:caption>Anti - Transferrin (human) in rabbit, IgG fraction - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/anti-goat-igg-hl-in-rabbit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Anti-Goat IgG (H&amp;L) in rabbit</image:title>
      <image:caption>Anti - Goat IgG (H&amp;L) in rabbit - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/anti-human-igg-hl-in-goat-rhodamine-conjugate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_3ae71d17-67d0-4572-8147-c29fb1807551-604184.jpg?v=1737982894</image:loc>
      <image:title>Anti-Human IgG (H&amp;L) in goat, rhodamine conjugate</image:title>
      <image:caption>Anti - Human IgG (H&amp;L) in goat, rhodamine conjugate - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/anti-human-igg-hl-in-goat-texas-red-conjugate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Anti-Human IgG (H&amp;L) in goat, Texas red conjugate</image:title>
      <image:caption>Anti - Human IgG (H&amp;L) in goat, Texas red conjugate - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/anti-human-igg-hl-in-goat-biotin-conjugate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>Anti-Human IgG (H&amp;L) in goat, biotin conjugate</image:title>
      <image:caption>Anti - Human IgG (H&amp;L) in goat, biotin conjugate - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/anti-human-igg-hl-in-goat-fluoroscein-conjugate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_3f1683d3-ddab-4093-9638-4639f400de5a-331542.jpg?v=1737982894</image:loc>
      <image:title>Anti-Human IgG (H&amp;L) in goat, fluoroscein conjugate</image:title>
      <image:caption>Anti - Human IgG (H&amp;L) in goat, fluoroscein conjugate - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/anti-human-igg-hl-in-goat-rhodamine-conjugate-43244</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_d125fd60-d2e0-4f38-b46d-654af93e9bc8-901176.jpg?v=1737982894</image:loc>
      <image:title>Anti-Human IgG (H&amp;L) in goat, rhodamine conjugate</image:title>
      <image:caption>Anti - Human IgG (H&amp;L) in goat, rhodamine conjugate - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/anti-human-igg-hl-in-sheep</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_dee42bf4-d745-41e3-8c2d-ea75597505b5-180276.jpg?v=1737982894</image:loc>
      <image:title>Anti-Human IgG (H&amp;L) in sheep</image:title>
      <image:caption>Anti - Human IgG (H&amp;L) in sheep - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/anti-human-igg-hl-in-sheep-rhodamine-conjugate</loc>
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      <image:title>Anti-Human IgG (H&amp;L) in sheep, rhodamine conjugate</image:title>
      <image:caption>Anti - Human IgG (H&amp;L) in sheep, rhodamine conjugate - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/anti-human-igg-hl-in-sheep-biotin-conjugate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Anti-Human IgG (H&amp;L) in sheep, biotin conjugate</image:title>
      <image:caption>Anti - Human IgG (H&amp;L) in sheep, biotin conjugate - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/anti-human-igg-hl-in-sheep-alkaline-phosphatase-conjugate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_28f45232-2050-4bf2-b4d4-a49c770c027b-837952.jpg?v=1737982894</image:loc>
      <image:title>Anti-Human IgG (H&amp;L) in sheep, alkaline phosphatase conjugate</image:title>
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  <url>
    <loc>https://polysciences.com/products/bovine-serum-albumin-fraction-v-protease-free-lyophilized</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23854_cd1b91b4-0bb5-4a15-a6fe-ef08a9fda146-168192.jpg?v=1737982945</image:loc>
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  </url>
  <url>
    <loc>https://polysciences.com/products/anti-biotin-in-rabbit-igg-fraction-lyophilized</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23867_2382140b-0ecd-42cb-8247-03c7d5984a90-597976.jpg?v=1737982894</image:loc>
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  </url>
  <url>
    <loc>https://polysciences.com/products/polyvinylamine-hydrochloride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_23965_2_1_6bf4223e-0876-4784-904d-7964c12af68c.png?v=1738252964</image:loc>
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    </image:image>
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  <url>
    <loc>https://polysciences.com/products/polypropylene</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23968_c4542e81-9cab-4a27-9d07-11abb17a99b7-853999.jpg?v=1737983982</image:loc>
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      <image:caption>Polypropylene - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly-ether-ether-ketone-peek</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Poly ether ether ketone (PEEK)</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/poly-d-l-lactic-acid-iv-2-0-dl-g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23976-polydl-lactic-acid-iv-20-28dlg_df5084e7-41a2-416b-83f8-03f73168ccc6.jpg?v=1736778646</image:loc>
      <image:title>Poly(D,L-lactic acid), IV 2.0 dL/g</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://polysciences.com/products/poly-d-l-lactide-co-glycolide-50-50-iv-0-6-dl-g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23986_24c80c71-6466-47a2-bd0a-cf26c5c116b4-627791.jpg?v=1737983639</image:loc>
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  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
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    </image:image>
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  <url>
    <loc>https://polysciences.com/products/poly-d-l-lactide-co-glycolide-85-15-iv-0-6-dl-g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23989_3c1a654b-8a46-4e5b-b3fd-c6a5bd6d30f2.jpg?v=1736778657</image:loc>
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      <image:caption></image:caption>
    </image:image>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23994-monostep-lowicryl-hm-20-non-polar-embedding-media_eceba652-55ae-4dfc-aba2-5920d7eb33f3-358655.jpg?v=1737983421</image:loc>
      <image:title>MonoStep™ Lowicryl® HM20 Non-polar Embedding Media</image:title>
      <image:caption>MonoStep™ Lowicryl® HM20 Non - polar Embedding Media - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/microscope-slide-mailing-tubes</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23998_af9a5d46-f339-40b9-ab3c-7977e2d17016-130370.jpg?v=1737983421</image:loc>
      <image:title>Microscope Slide Mailing Tubes</image:title>
      <image:caption>Microscope Slide Mailing Tubes - Polysciences</image:caption>
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  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/23999_3ca68cd8-60d2-4b0a-94a7-0847c6fe5c1f-681407.jpg?v=1737983421</image:loc>
      <image:title>Microscope Slide Coverslips, Glass, 22mm x 30mm</image:title>
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  <url>
    <loc>https://polysciences.com/products/control-slides</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24012_1278b24a-92ae-4d64-aa49-4eb776e1b78f-889858.jpg?v=1737983421</image:loc>
      <image:title>Microscope Control Slides</image:title>
      <image:caption>Microscope Control Slides - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/de-hibit-200</loc>
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      <image:title>De-Hibit 200</image:title>
      <image:caption>De - Hibit 200 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyn-methylvinylamine</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Poly(N-methylvinylamine)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyaniline-emeraldine-form-undoped</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_24043_18093128-d681-4c21-9375-4ea461efbe88.png?v=1738252964</image:loc>
      <image:title>Polyaniline, Emeraldine form (undoped)</image:title>
      <image:caption>Polyaniline, Emeraldine form (undoped) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polypropylene-glycol-600-diglycidyl-ether</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24046_f2fb947b-a745-429d-b5f5-b2031b665eed-637438.jpg?v=1737983733</image:loc>
      <image:title>Poly(propylene glycol) (600) diglycidyl ether</image:title>
      <image:caption>Poly(propylene glycol) (600) diglycidyl ether - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-n-diglycidyl-ether-1</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Poly(ethylene glycol) diglycidyl ether (PEGDGE 1000)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/microscope-slide-coverslips-glass-24mm-x-40mm</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24070_bc230662-a82f-43cf-9e82-f61ac3e4a038-770019.jpg?v=1737983421</image:loc>
      <image:title>Microscope Slide Coverslips, Glass, 24mm x 40mm</image:title>
      <image:caption>Microscope Slide Coverslips, Glass, 24mm x 40mm - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/microscope-slide-coverslips-glass-24mm-x-50mm</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24071_41527638-2b90-4e21-ad98-e80a084d23ac-448785.jpg?v=1737983421</image:loc>
      <image:title>Microscope Slide Coverslips, Glass, 24mm x 50mm</image:title>
      <image:caption>Microscope Slide Coverslips, Glass, 24mm x 50mm - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/microscope-slide-coverslips-glass-24mm-x-60mm</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24072_99a56bd7-bcd3-4d84-b1a4-778a2c7046e7-573714.jpg?v=1737983421</image:loc>
      <image:title>Microscope Slide Coverslips, Glass, 24mm x 60mm</image:title>
      <image:caption>Microscope Slide Coverslips, Glass, 24mm x 60mm - Polysciences</image:caption>
    </image:image>
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  <url>
    <loc>https://polysciences.com/products/1m-glycine-hcl-buffer-ph-2701-10x-concentrate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_24074-500_1_1_1_877737fb-d757-4094-bf16-05419303ed85.png?v=1738252964</image:loc>
      <image:title>1M Glycine-HCl Buffer, pH 2.7±0.1, 10X Concentrate</image:title>
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    </image:image>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_ece49c6e-bf4a-4cb3-8880-521ecede0e81-328758.jpg?v=1737982719</image:loc>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24082_95070369-3bde-48dd-9c4d-a476b82b2c6c-975348.jpg?v=1737984161</image:loc>
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  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24086-tris-borate-edta-buffer_97b22bb3-10db-47a7-b62d-4390d9a3c122-957614.jpg?v=1737984161</image:loc>
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  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_a77db392-d42a-4e8c-bf9b-52d3074a2a09-661743.jpg?v=1737984161</image:loc>
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  <url>
    <loc>https://polysciences.com/products/tris-glycine-buffer-tg-buffer-ph-8302-10x-concentrate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24088-tris-glycine-buffer_d199c66d-df96-4491-adbc-4853cba1356a-138225.jpg?v=1737984161</image:loc>
      <image:title>Tris-Glycine Buffer (TG Buffer), pH 8.3±0.2, 10X Concentrate</image:title>
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  <url>
    <loc>https://polysciences.com/products/05m-borate-buffer-ph-8502-5x-concentrate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24092_1_07c02318-407e-401f-afb0-de772724b18c-124343.jpg?v=1737982719</image:loc>
      <image:title>0.5M Borate Buffer, pH 8.5±0.2, 5X Concentrate</image:title>
      <image:caption>0.5M Borate Buffer, pH 8.5±0.2, 5X Concentrate - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/01m-sodium-bicarbonate-sodium-carbonate-buffer-ph-96-02-1x-powdered-blend</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24094_1_968a5ba4-c30f-4dab-9543-9ed6219c5197-224299.jpg?v=1737982719</image:loc>
      <image:title>0.1M Sodium Bicarbonate-Sodium Carbonate Buffer, pH 9.6 ±0.2, 1X Powdered Blend</image:title>
      <image:caption>0.1M Sodium Bicarbonate - Sodium Carbonate Buffer, pH 9.6 ±0.2, 1X Powdered Blend - Polysciences</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>Tissue Marking Dye 5-Color Kit</image:title>
      <image:caption>Tissue Marking Dye 5 - Color Kit - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/marking-dye-for-tissue-green</loc>
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    <changefreq>daily</changefreq>
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      <image:title>Marking Dye for Tissue - Green</image:title>
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  <url>
    <loc>https://polysciences.com/products/marking-dye-for-tissue-blue</loc>
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  <url>
    <loc>https://polysciences.com/products/microdispers-8000</loc>
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    <image:image>
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  </url>
  <url>
    <loc>https://polysciences.com/products/michels-transport-medium</loc>
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    <image:image>
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      <image:caption>Michel&apos;s Transport Medium - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/hollandes-fixative</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_24354_hollandes_sml_1_1_1_14313f85-237f-4e99-9650-4b25c88346c5.png?v=1738252831</image:loc>
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    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/hartmann-s-fixative-modified-davidson-s-fixative</loc>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Modified Davidson&apos;s Fixative (Hartmann&apos;s Fixative) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/o-nitrobenzyl-methacrylate-min-95</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only-431927_b4cf8cd4-7170-45c4-946d-2d4a1168f895-649418.jpg?v=1738078338</image:loc>
      <image:title>o-Nitrobenzyl methacrylate, ≥ 95%</image:title>
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    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_pegpla_landing_4_1_3e273c85-d8b5-4fc5-a3b5-712b7f9dc6b9.png?v=1738252831</image:loc>
      <image:title>PEG(350)-b-PLA(300), Diblock Polymer</image:title>
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    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
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    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_pegpla_landing_4_1_4916d982-775a-4add-b11b-357dc4e48d88.png?v=1738252831</image:loc>
      <image:title>PEG(1000)-b-PLA(5000), Diblock Polymer</image:title>
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    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>PEG(5000)-b-PLA(1000), Diblock Polymer</image:title>
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    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_pegpla_landing_1_1_1_1f9eaaf4-b2b1-4b8e-bb19-39b0f06a3602.png?v=1738252831</image:loc>
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    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>PLA(1000)-b-PEG(1000)-b-PLA(1000), Triblock Polymer</image:title>
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    </image:image>
  </url>
  <url>
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    <image:image>
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    </image:image>
  </url>
  <url>
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    <image:image>
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      <image:title>PLA(5000)-b-PEG(1000)-b-PLA(5000), Triblock Polymer</image:title>
      <image:caption>PLA(5000) - b - PEG(1000) - b - PLA(5000), Triblock Polymer - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_pegpla_landing_2_1_2_edd75787-77d3-489f-9fa7-51fb1b5e8e73.png?v=1738252831</image:loc>
      <image:title>PLA(1000)-b-PEG(4000)-b-PLA(1000), Triblock Polymer</image:title>
      <image:caption>PLA(1000) - b - PEG(4000) - b - PLA(1000), Triblock Polymer - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_pegpla_landing_2_1_2_05fb4e61-95e7-4334-a776-e706ab234393.png?v=1738252831</image:loc>
      <image:title>PLA(1000)-b-PEG(10,000)-b-PLA(1000), Triblock Polymer</image:title>
      <image:caption>PLA(1000) - b - PEG(10,000) - b - PLA(1000), Triblock Polymer - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-acridine-orange-ready-to-use</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24603_80052273-abde-4e4f-a5e7-1db695e1835c-467872.jpg?v=1737982719</image:loc>
      <image:title>2% Acridine Orange, Ready-to-Use</image:title>
      <image:caption>2% Acridine Orange, Ready - to - Use - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/scott-s-bluing-reagent</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Scott&apos;s Bluing Reagent</image:title>
      <image:caption>Scott&apos;s Bluing Reagent - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24607_dc3172c8-7e72-4f9e-ba58-15812d369361-447755.jpg?v=1737983053</image:loc>
      <image:title>FastFix</image:title>
      <image:caption>FastFix - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/luxolsupsup-fast-blue-ready-to-use</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Luxol Fast Blue, Ready-to-Use</image:title>
      <image:caption>Luxol Fast Blue, Ready - to - Use - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/amyloid-stain-kit-congo-red</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24614-amyloid-stain-kit-congo-red_67bf4aff-9b5c-4967-82e2-6cd02e01e9d5-367690.jpg?v=1737982894</image:loc>
      <image:title>Amyloid Stain Kit (Congo Red)</image:title>
      <image:caption>Amyloid Stain Kit (Congo Red) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/sar-gel-water-indicating-paste</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_24615_sar-gel_blue_1_402cfe70-6d5d-4381-b6a5-9b2c1fdc1c03.png?v=1738252831</image:loc>
      <image:title>SAR-GEL® Water Indicating Paste</image:title>
      <image:caption>SAR - GEL® Water Indicating Paste - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/soft-block</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_24616_both_1_1_14bbb3e8-c359-4af5-90a0-f975c38c7caa.png?v=1738252831</image:loc>
      <image:title>Soft Block</image:title>
      <image:caption>Soft Block - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/prionexsupsup</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24621_8871da3e-5701-4270-937f-bcab3a5fe056-974945.jpg?v=1737983982</image:loc>
      <image:title>Prionex®</image:title>
      <image:caption>Prionex® - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/von-kossa-method-for-calcium-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24633_efe7255c-b210-40ec-b8f4-a7519f0084eb-114391.jpg?v=1737984205</image:loc>
      <image:title>Von Kossa Method for Calcium Kit</image:title>
      <image:caption>Von Kossa Method for Calcium Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/plastic-microloopssupsup-5l-individually-packed</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24650_488a7f97-9a52-4c33-a008-9f3610efbefa-967176.jpg?v=1737983639</image:loc>
      <image:title>Plastic Microloops® 5µl  - individually packed</image:title>
      <image:caption>Plastic Microloops® 5µl - individually packed - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/nichromesupsup-wire-microloopsupsup-15mm-volume-1l</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24660_9c5813ad-d6be-4898-b642-79c8aa9399fc-894898.jpg?v=1737983507</image:loc>
      <image:title>Nichrome® Wire Microloop® 1.5mm volume, 1µL</image:title>
      <image:caption>Nichrome® Wire Microloop® 1.5mm volume, 1µL - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/afb-ziehl-neelson-kit-hot-method</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24669_21c2331f-d76a-43c1-912a-ab8bddf12905-335970.jpg?v=1737982752</image:loc>
      <image:title>AFB Ziehl-Neelsen Kit (Hot Method)</image:title>
      <image:caption>AFB Ziehl - Neelsen Kit (Hot Method) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/glycogel-stain-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24693_4db91da5-685e-4520-902d-8e05e57b58ba-538242.jpg?v=1737983249</image:loc>
      <image:title>GlycoGel Stain Kit</image:title>
      <image:caption>GlycoGel Stain Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-methyl-tetrahydrofuran</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24707_8e173365-478e-4266-8a85-00705eb7b49f-137654.jpg?v=1737982719</image:loc>
      <image:title>2-Methyl Tetrahydrofuran, ≥ 99%</image:title>
      <image:caption>2 - Methyl Tetrahydrofuran, ≥ 99% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/bis-hydroxymethyl-furan</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24723-new_1_460c0656-ccd0-40dd-8773-1648337da8ec.jpg?v=1735832093</image:loc>
      <image:title>Bis-(hydroxymethyl) Furan, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyn-vinylpyrrolidone-mw-4000-6000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24737-polyn-vinylpyrrolidone-mw-4000-6000_0fa79c14-cd2a-4138-9f3b-498336a970b1.jpg?v=1735832099</image:loc>
      <image:title>Poly(N-vinylpyrrolidone), MW 4,000 - 6,000</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/erl-4221-34-epoxy-cyclohexyl-methyl-34-epoxy-cyclohexyl-carboxylate-1</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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      <image:title>ERL-4221 (3,4-Epoxycyclohexanemethyl 3,4-epoxycyclohexanecarboxylate)</image:title>
      <image:caption>ERL - 4221 (3,4 - Epoxycyclohexanemethyl 3,4 - epoxycyclohexanecarboxylate) - Polysciences</image:caption>
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  <url>
    <loc>https://polysciences.com/products/cyclic-olefin-copolymer-hdt-170c</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Cyclic Olefin Copolymer, HDT= 170°C</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cyclic-olefin-copolymer-hdt-130c</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Cyclic Olefin Copolymer, HDT= 130°C</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cyclic-olefin-copolymer-hdt-75c</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24750_4_461238df-bfb3-43cb-b665-c13764b0f900.jpg?v=1735832120</image:loc>
      <image:title>Cyclic Olefin Copolymer, HDT= 75°C</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/uranyl-formate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_24762_1_1_a0d43edf-b688-4ea2-b43f-9ef19da2ca8e.png?v=1738252831</image:loc>
      <image:title>Uranyl Formate, ≥ 99% ACS Grade</image:title>
      <image:caption>Uranyl Formate, ≥ 99% ACS Grade - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/ethylene-vinyl-acetate-20-ethylene-fine-powder</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24763-ethylene-vinyl-acetate_f369950d-f570-4333-9f93-4b6a186ee7b2.jpg?v=1736778742</image:loc>
      <image:title>Ethylene-vinyl acetate, 20% ethylene, fine powder</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/microscope-slide-holder-block</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24764_c7f31ed9-19c3-4287-b14d-b8075f4accad-832246.jpg?v=1737983421</image:loc>
      <image:title>Microscope Slide Holder Block</image:title>
      <image:caption>Microscope Slide Holder Block - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/clear-advantage-xylene-substitute</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24770_c32a490b-334b-4e98-84ea-365c0a1bfa72-224600.jpg?v=1737983003</image:loc>
      <image:title>Clear-Advantage Xylene Substitute</image:title>
      <image:caption>Clear - Advantage Xylene Substitute - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylic-acid-30-soln-in-water-mw-30000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24771_c4d58e83-06f4-4d51-aa70-33769bd3ad9b.jpg?v=1735832149</image:loc>
      <image:title>Poly(acrylic acid), 30% soln. in water [MW ~ 30,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tissue-marking-dye-7-color-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24772_fbf6f505-c889-4a54-a935-183c8975eb7b-631719.jpg?v=1737984161</image:loc>
      <image:title>Tissue Marking Dye 7-Color Kit</image:title>
      <image:caption>Tissue Marking Dye 7 - Color Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/histoheme</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24774-250_c8f53035-6955-4afe-94c9-3c9123dd22e9-771605.jpg?v=1737983251</image:loc>
      <image:title>Histoheme</image:title>
      <image:caption>Histoheme - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/soft-nail</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24775_15efb207-c77b-4e07-b26f-f2108de86a7f-281697.jpg?v=1737984102</image:loc>
      <image:title>Soft Nail</image:title>
      <image:caption>Soft Nail - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/fluorinated-ethylene-propylene-copolymer-melt-flow-index-10-35-mi</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24778-fluorinated-ethylene-propylene-copolymer-melt-flow-index-10-35-mi_a4873c34-3c87-40f6-9a5e-a12722063fd1.jpg?v=1735832172</image:loc>
      <image:title>Fluorinated Ethylene Propylene Copolymer (Melt Flow Index 10-35 MI)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-vinyl-acetamide-nva</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24806-n-vinyl-acetamide_deea41ce-47fe-486f-95e0-bac920c066a5.jpg?v=1735832178</image:loc>
      <image:title>N-vinyl acetamide (NVA), ≥ 98.0%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polystyrenesulfonic-acid-sodium-salt-mw-1000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24812.jpg?v=1735675882</image:loc>
      <image:title>Poly(styrenesulfonic acid), sodium salt [MW ~ 1,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cholesteryl-oleyl-carbonate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24815.jpg?v=1735675881</image:loc>
      <image:title>Cholesteryl Oleyl Carbonate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cholesteryl-nonanoate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_24817_cholestryl_nonanoate_39dc0a3e-f59b-4026-b099-da23ee322e64.png?v=1738252831</image:loc>
      <image:title>Cholesteryl Nonanoate</image:title>
      <image:caption>Cholesteryl Nonanoate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/lithium-blue</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24820_78c6bc7e-f2a3-4ff7-961f-b389796b2029-877148.jpg?v=1737983310</image:loc>
      <image:title>Lithium Blue</image:title>
      <image:caption>Lithium Blue - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/mayers-hematoxylin</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24821_38acbb3f-f71d-4f5c-833f-886071f8b642-787655.jpg?v=1737983362</image:loc>
      <image:title>Mayers Hematoxylin</image:title>
      <image:caption>Mayers Hematoxylin - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyallyl-amine-mw-15000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24826_35a6ea7f-facd-4281-9ef4-eac7d74d32b6.jpg?v=1735832225</image:loc>
      <image:title>Poly(Allyl Amine), Mw 15,000</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polydiallyl-dimethyl-ammonium-chloride-mw-8500</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_24828_629c50cc-9b95-4d4c-8c6c-de1ab39a50b8.png?v=1738252831</image:loc>
      <image:title>Poly(Diallyl Dimethyl Ammonium Chloride) [Mw ~ 8,500], 28 wt. % in H2O</image:title>
      <image:caption>Poly(Diallyl Dimethyl Ammonium Chloride) [Mw ~ 8,500], 28 wt. % in H2O - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-2-aminoethyl-methacrylamide-hydrochloride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24833-n-_2-aminoethyl_-methacrylamide-hydrochloride_1_dff1f65a-4989-4724-8c39-8dca928737f4.jpg?v=1735832236</image:loc>
      <image:title>N-(2-aminoethyl) methacrylamide hydrochloride, ≥ 98%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/neurovuesupsup-maroon-filter-square-for-neuronal-tract-tracing</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24834-neurovue-maroon_1_658c2160-0069-483c-8b83-f41572a54a8d-484844.jpg?v=1737983507</image:loc>
      <image:title>NeuroVue® Maroon - Filter Square For Neuronal Tract Tracing</image:title>
      <image:caption>NeuroVue® Maroon - Filter Square For Neuronal Tract Tracing - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/neurovuesupsup-red-filter-square-for-neuronal-tract-tracing</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24835-neurovue-red_7fb75b01-d590-473a-b8ad-6400d18d5b5f-421350.jpg?v=1737983507</image:loc>
      <image:title>NeuroVue® Red - Filter Square For Neuronal Tract Tracing</image:title>
      <image:caption>NeuroVue® Red - Filter Square For Neuronal Tract Tracing - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/neurovuesupsup-orange-filter-square-for-neuronal-tract-tracing</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24836-neurovue_orange_0a07e458-b968-4d5a-836d-9ca448bfd4e1-392233.jpg?v=1737983507</image:loc>
      <image:title>NeuroVue® Orange - Filter Square For Neuronal Tract Tracing</image:title>
      <image:caption>NeuroVue® Orange - Filter Square For Neuronal Tract Tracing - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/neurovuesupsup-jade-filter-square-for-neuronal-tract-tracing</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24837-neurovue-jade_1ea1de1e-ad97-44b5-aaaa-dcbbe8d00a97-926827.jpg?v=1737983423</image:loc>
      <image:title>NeuroVue® Jade - Filter Square For Neuronal Tract Tracing</image:title>
      <image:caption>NeuroVue® Jade - Filter Square For Neuronal Tract Tracing - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/neurovuesupsup-burgundy-filter-square-for-neuronal-tract-tracing</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24838-neurovue-burgundy_3306f1fe-82d6-468a-852d-d38b6276079b-475614.jpg?v=1737983423</image:loc>
      <image:title>NeuroVue® Burgundy - Filter Square For Neuronal Tract Tracing</image:title>
      <image:caption>NeuroVue® Burgundy - Filter Square For Neuronal Tract Tracing - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvuesupsup-maroon-mini-kit-for-membrane-labeling</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24840_deede961-d39f-447e-a42f-b14538431f8f-586812.jpg?v=1737983000</image:loc>
      <image:title>CellVue® Maroon Mini Kit For Membrane Labeling</image:title>
      <image:caption>CellVue® Maroon Mini Kit For Membrane Labeling - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvuesupsup-lavender-mini-kit-for-membrane-labeling</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24841_1c0378fa-0b81-4c97-8a71-d6a52793ab02-120156.jpg?v=1737983000</image:loc>
      <image:title>CellVue® Lavender Mini Kit For Membrane Labeling</image:title>
      <image:caption>CellVue® Lavender Mini Kit For Membrane Labeling - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvuesupsup-plum-mini-kit-for-membrane-labeling</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24842_d6b2fd66-9f13-42e6-b81e-47d9e964030d-230089.jpg?v=1737983000</image:loc>
      <image:title>CellVue® Plum Mini Kit For Membrane Labeling</image:title>
      <image:caption>CellVue® Plum Mini Kit For Membrane Labeling - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvue-burgundy-mini-kit-for-membrane-labeling</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24843_46f02379-0bf4-4ab5-9ee2-931a50dc157f-166687.jpg?v=1737982945</image:loc>
      <image:title>CellVue® Burgundy Mini Kit For Membrane Labeling</image:title>
      <image:caption>CellVue® Burgundy Mini Kit For Membrane Labeling - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvuesupsup-claret-mini-kit-for-membrane-labeling</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24844_80107949-987b-472a-89a5-bcd1586f5873-483984.jpg?v=1737982945</image:loc>
      <image:title>CellVue® Claret Mini Kit For Membrane Labeling</image:title>
      <image:caption>CellVue® Claret Mini Kit For Membrane Labeling - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvuesupsup-nir780-mini-kit-for-membrane-labeling</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24845_867c1969-baba-4f04-91bf-dc1ef499f50e-117371.jpg?v=1737983000</image:loc>
      <image:title>CellVue® NIR780 Mini Kit For Membrane Labeling</image:title>
      <image:caption>CellVue® NIR780 Mini Kit For Membrane Labeling - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvue-nir815-mini-kit-for-membrane-labeling</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24846_5635123a-ab2c-47b8-86e9-f7e18d4f3def-454135.jpg?v=1737983000</image:loc>
      <image:title>CellVue® NIR815 Mini Kit For Membrane Labeling</image:title>
      <image:caption>CellVue® NIR815 Mini Kit For Membrane Labeling - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvuesupsup-maroon-kit-for-membrane-labeling-midi-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24847_dfab1ad7-d60c-4063-9456-4a8a7f72554c-122566.jpg?v=1737983000</image:loc>
      <image:title>CellVue® Maroon Kit For Membrane Labeling - MIDI Kit</image:title>
      <image:caption>CellVue® Maroon Kit For Membrane Labeling - MIDI Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvuesupsup-plum-kit-for-membrane-labeling-midi-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24848_df0bc40b-3773-44b7-9fe9-73af2f896e78-253162.jpg?v=1737983000</image:loc>
      <image:title>CellVue® Plum Kit For Membrane Labeling - MIDI Kit</image:title>
      <image:caption>CellVue® Plum Kit For Membrane Labeling - MIDI Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvuesupsup-burgundy-kit-for-membrane-labeling-midi-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24850_4a548146-48f9-44ee-b80d-0bbb757b7ce0-765558.jpg?v=1737982945</image:loc>
      <image:title>CellVue® Burgundy Kit For Membrane Labeling - MIDI Kit</image:title>
      <image:caption>CellVue® Burgundy Kit For Membrane Labeling - MIDI Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvuesupsup-lavender-kit-for-membrane-labeling-midi-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>CellVue® Lavender Kit For Membrane Labeling - MIDI Kit</image:title>
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      <image:caption></image:caption>
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      <image:caption></image:caption>
    </image:image>
  </url>
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      <image:caption></image:caption>
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    <image:image>
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    </image:image>
  </url>
  <url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25010_pcl_peg_1_1_1_3e521942-c0e4-4d6f-ae70-222690fa9cc9.png?v=1738252774</image:loc>
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  </url>
  <url>
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    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25010_pcl_peg_1_1_1_c4dbf037-f3a9-4f01-bc17-8febe1b643df.png?v=1738252774</image:loc>
      <image:title>PCL(5,000)-b-PEG(5,000), Diblock Polymer</image:title>
      <image:caption>PCL(5,000) - b - PEG(5,000), Diblock Polymer - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/pcl5000-b-peg10000-b-pcl5000-triblock-polymer</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25025-pcl-5-000-b-peg-10-000-b-pcl-5-000-triblock-polymer_00456f66-4f1d-4821-ad29-abe99fa4ed7c-627950.jpg?v=1737983509</image:loc>
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    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/pla5000-b-peg10000-b-pla5000-triblock-polymer</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_plapeg_thumb_2_1_1_6121ad2f-9ca8-4687-bdbd-1f086c0cb774.png?v=1738252778</image:loc>
      <image:title>PLA(5,000)-b-PEG(10,000)-b-PLA(5,000), Triblock Polymer</image:title>
      <image:caption>PLA(5,000) - b - PEG(10,000) - b - PLA(5,000), Triblock Polymer - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/pla10000-b-peg10000-b-pla10000-triblock-polymer</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_plapeg_thumb_2_1_2_1b4ce455-50a3-4591-91cb-02464e352011.png?v=1738252778</image:loc>
      <image:title>PLA(10,000)-b-PEG(10,000)-b-PLA(10,000), Triblock Polymer</image:title>
      <image:caption>PLA(10,000) - b - PEG(10,000) - b - PLA(10,000), Triblock Polymer - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/istainiritesupsup-may-grnwald-giemsa-phosphate-buffer-ph-72</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25032_4ede4e44-9980-466d-90e5-06d68c817ded-715709.jpg?v=1737984102</image:loc>
      <image:title>StainRITE® May-Grünwald Giemsa Phosphate Buffer pH 7.2</image:title>
      <image:caption>StainRITE® May - Grünwald Giemsa Phosphate Buffer pH 7.2 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/neat-stain-slide-holder</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25033_cd46a44b-165f-4df9-9e51-59cc04ed443d-388798.jpg?v=1737983422</image:loc>
      <image:title>Neat Stain Slide Holder</image:title>
      <image:caption>Neat Stain Slide Holder - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/neat-stain-gram-stain-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25036_3eab2ae8-7b99-4c5a-ad8c-31d2cf1880f7-283036.jpg?v=1737983249</image:loc>
      <image:title>Gram Stain Set (Stabilized)</image:title>
      <image:caption>Gram Stain Set (Stabilized) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/flow-fix-1-paraformaldehyde-fixative-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25037_phosphate_fixative_657d178c-4549-4ba5-b26d-32c44623aaba.png?v=1738252774</image:loc>
      <image:title>Flow Fix, 1% Paraformaldehyde Fixative Kit</image:title>
      <image:caption>Flow Fix, 1% Paraformaldehyde Fixative Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/istainiritesupsup-giemsa-stain-for-may-grnwald</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_f227154a-46ab-40b4-8f8d-e6ea5206a176-150211.jpg?v=1737984102</image:loc>
      <image:title>StainRITE® Giemsa Stain (for May-Grünwald)</image:title>
      <image:caption>StainRITE® Giemsa Stain (for May - Grünwald) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/upright-fluorescence-microscope</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25039-upright-fluorescence-microscope_60d2e0a1-679b-4ab8-b439-e99a65b7feb8-401863.jpg?v=1737984205</image:loc>
      <image:title>Upright Fluorescence Microscope</image:title>
      <image:caption>Upright Fluorescence Microscope - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/inverted-fluorescence-microscope</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25040-inverted-fluorescence-microscope_1_cfe1ffe5-965e-4bc1-8e6c-412241875691-910274.jpg?v=1737983309</image:loc>
      <image:title>Inverted Fluorescence Microscope</image:title>
      <image:caption>Inverted Fluorescence Microscope - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tweezers-rubis-ultra-fine-straight-pointed-precision-tip-120mm-475</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25045_3_de810cb4-fd3f-4588-bb95-4d9ce0a975be.png?v=1738252774</image:loc>
      <image:title>Tweezers, Rubis Ultra Fine Straight Pointed Precision Tip, 120mm, 4.75&quot;</image:title>
      <image:caption>Tweezers, Rubis Ultra Fine Straight Pointed Precision Tip, 120mm, 4.75&quot; - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tweezers-rubis-sturdy-strong-pointed-115mm-45</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25046_1_0241a467-f428-4181-980c-9fc6289bb41e.png?v=1738252774</image:loc>
      <image:title>Tweezers, Rubis Sturdy, Strong Pointed, 115mm, 4.5&quot;</image:title>
      <image:caption>Tweezers, Rubis Sturdy, Strong Pointed, 115mm, 4.5&quot; - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tweezers-rubis-ultra-fine-pointed-angled-110mm-433</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25047_3_6973d730-8587-442a-a260-2699c641a33d.png?v=1738252774</image:loc>
      <image:title>Tweezers, Rubis Ultra Fine Pointed Angled, 115mm, 4.53&quot;</image:title>
      <image:caption>Tweezers, Rubis Ultra Fine Pointed Angled, 115mm, 4.53&quot; - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tweezers-rubis-general-use-140mm-55</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25048_3_45bd81c4-de24-4dff-a3be-d7ad8be2d22a.png?v=1738252774</image:loc>
      <image:title>Tweezers, Rubis General Use, 140mm, 5.5&quot;</image:title>
      <image:caption>Tweezers, Rubis General Use, 140mm, 5.5&quot; - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tweezers-rubis-ultra-fine-pointed-curved-110mm-433</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25049_73825525-482c-474b-b526-41be80aad748.png?v=1738252774</image:loc>
      <image:title>Tweezers, Rubis Ultra Fine Pointed Curved, 115mm, 4.53&quot;</image:title>
      <image:caption>Tweezers, Rubis Ultra Fine Pointed Curved, 115mm, 4.53&quot; - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tweezers-rubis-ultra-fine-pointed-curved-115mm-45</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25050_1_3899a633-a5c1-4830-9064-a754d5caac3a.png?v=1738252774</image:loc>
      <image:title>Tweezers, Ultra Fine Pointed Curved, 115mm</image:title>
      <image:caption>Tweezers, Ultra Fine Pointed Curved, 115mm - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/guanidine-thiocyanate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25072_c87c8f17-4b74-4ed0-932d-b1dc67c24570-716367.jpg?v=1737983251</image:loc>
      <image:title>Guanidine Thiocyanate</image:title>
      <image:caption>Guanidine Thiocyanate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/halocarbon-200-oil-polychlorotrifluoroethylene-200-centistokes</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25073_0796b6d1-f722-4085-9f44-82268280dd49.jpg?v=1736778821</image:loc>
      <image:title>Halocarbon 200 Oil [Poly(chlorotrifluoroethylene), 200 centistokes]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/halocarbon-400-oil-polychlorotrifluoroethylene-400-centistokes</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25074_28e3ce8f-5a99-44c6-ac5e-e24214e1d4e4.jpg?v=1736778824</image:loc>
      <image:title>Halocarbon 400 Oil [Poly(chlorotrifluoroethylene), 400 centistokes]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/halocarbon-700-oil-polychlorotrifluoroethylene-700-centistokes</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25075_e5c07359-f9f4-4688-86aa-dde9ae3d7878-624241.jpg?v=1737983251</image:loc>
      <image:title>Halocarbon 700 Oil [Poly(chlorotrifluoroethylene), 700 centistokes]</image:title>
      <image:caption>Halocarbon 700 Oil [Poly(chlorotrifluoroethylene), 700 centistokes] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/halocarbon-1000n-oil-polychlorotrifluoroethylene-1000-centistokes</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25076_ffe76178-13c1-4e2b-bb0b-8f24c5dacf71.jpg?v=1736778832</image:loc>
      <image:title>Halocarbon 1000N Oil [Poly(chlorotrifluoroethylene), 1,000 centistokes]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/20x-10mm-citrate-buffer-kit-ph-60-for-antigen-retrieval-ffpe-and-resin</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25079a_fb5b18ce-f7fc-4dfa-946e-387be0dc4a4d-599766.jpg?v=1737982719</image:loc>
      <image:title>20X 10mM Citrate Buffer Kit, pH 6.0 (for antigen retrieval FFPE and resin)</image:title>
      <image:caption>20X 10mM Citrate Buffer Kit, pH 6.0 (for antigen retrieval FFPE and resin) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/flow-fix-2-paraformaldehyde-fixative-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25085-1_6c2ca2de-0605-48f8-a1be-fea8d89846ec-377101.jpg?v=1737983053</image:loc>
      <image:title>Flow Fix, 2% Paraformaldehyde Fixative Kit</image:title>
      <image:caption>Flow Fix, 2% Paraformaldehyde Fixative Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/alcian-bluepas-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25086_30f5d31e-1bc7-4beb-86fc-0c16265f9e92-683741.jpg?v=1737982894</image:loc>
      <image:title>Alcian Blue/PAS Kit</image:title>
      <image:caption>Alcian Blue/PAS Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/grocott-methenamine-silver-stain-gms-for-fungus-pcp-room-temperature-microwave-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25087_b8cbf79a-5ea4-4c6c-aac1-79023b9788ad-120723.jpg?v=1737983251</image:loc>
      <image:title>Grocott Methenamine Silver Stain (GMS) for Fungus &amp; PCP - Room Temperature &amp; Microwave Kit</image:title>
      <image:caption>Grocott Methenamine Silver Stain (GMS) for Fungus &amp; PCP - Room Temperature &amp; Microwave Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/masson-s-trichrome-stain-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25088_e13ee004-b1e4-4a85-b2f8-dffa80970e5b-949491.jpg?v=1737983362</image:loc>
      <image:title>Masson&apos;s Trichrome Stain Kit</image:title>
      <image:caption>Masson&apos;s Trichrome Stain Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/phosphotungstic-phosphomolybdic-acid</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_d5504257-e510-44d5-8adc-930541ef6189-145340.jpg?v=1737983563</image:loc>
      <image:title>Phosphotungstic Phosphomolybdic Acid</image:title>
      <image:caption>Phosphotungstic Phosphomolybdic Acid - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/verhoeff-van-gieson-elastin-stain-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25089_da6d0c08-6e70-4b03-9cda-60e49517ceac-873511.jpg?v=1737984205</image:loc>
      <image:title>Verhoeff Van Gieson Elastin Stain Kit</image:title>
      <image:caption>Verhoeff Van Gieson Elastin Stain Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/jones-pas-m-stain-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25091_web_2a42221b-f296-48bd-80b5-4bd2051fe464.png?v=1738252774</image:loc>
      <image:title>Jones PAS-M Stain Kit</image:title>
      <image:caption>Jones PAS - M Stain Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/reticulin-stain-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/reticulin_2c93490c-1617-459e-aa98-d06c0c855682-939975.jpg?v=1737984040</image:loc>
      <image:title>Reticulin Stain Kit</image:title>
      <image:caption>Reticulin Stain Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/psvue-794-reagent-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25101_b6d112b9-5872-4787-9b52-fb4a3105be78.png?v=1738252774</image:loc>
      <image:title>PSVue® 794 Reagent Kit</image:title>
      <image:caption>PSVue® 794 Reagent Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/psvue-380-reagent-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25102_5eb6298e-936b-426d-8679-69b01249f28f.png?v=1738252774</image:loc>
      <image:title>PSVue® 380 Reagent Kit</image:title>
      <image:caption>PSVue® 380 Reagent Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/fontana-masson-stain-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25104_528b636b-de43-4f79-bd6c-dc99eb95e3a7-816360.jpg?v=1737983105</image:loc>
      <image:title>Fontana Masson Stain Kit</image:title>
      <image:caption>Fontana Masson Stain Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly-d-l-lactide-co-glycolide-75-25-iv-0-65-dl-g</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25107_966ca053-69ec-4fc3-993f-9b5c5936d059.jpg?v=1736778835</image:loc>
      <image:title>Poly(D,L-lactide-co-glycolide), 75:25, IV 0.65 dL/g</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/silver-protein-for-histology-strong-not-certified</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25108-silver-protein-histology_2590e2f8-6a8a-48d8-aa9f-be9627ee762f-740109.jpg?v=1737984102</image:loc>
      <image:title>Silver Protein for Histology, Strong (not certified)</image:title>
      <image:caption>Silver Protein for Histology, Strong (not certified) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/n-hydroxyethyl-acrylamide-98</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25109_1af1cf05-654e-4147-b677-1c40a5c8dbdd-791856.jpg?v=1737983421</image:loc>
      <image:title>N-Hydroxyethyl acrylamide, ≥ 98%</image:title>
      <image:caption>N - Hydroxyethyl acrylamide, ≥ 98% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tricyclodecane-dimethanol-diacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25110_1_fff6cdb4-64dd-4bfe-b72f-aea49a904dbb.png?v=1738252774</image:loc>
      <image:title>Tricyclodecane dimethanol diacrylate</image:title>
      <image:caption>Tricyclodecane dimethanol diacrylate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyfreeze-tissue-freezing-medium-green</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/green_1_1_e65e5b8a-c5e5-440f-9274-4b5787e3c156-353791.jpg?v=1737983982</image:loc>
      <image:title>PolyFreeze (Tissue Freezing Medium) - Green</image:title>
      <image:caption>PolyFreeze (Tissue Freezing Medium) - Green - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyfreeze-tissue-freezing-medium-yellow</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/yellow_1_1_b1bb2e97-acf9-47df-8ffc-8862a82b9729-997538.jpg?v=1737983982</image:loc>
      <image:title>PolyFreeze (Tissue Freezing Medium) - Yellow</image:title>
      <image:caption>PolyFreeze (Tissue Freezing Medium) - Yellow - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyfreeze-tissue-freezing-medium-red</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/red_1_1_c430892f-a83b-460e-a04f-4f6564da80c8-526302.jpg?v=1737983982</image:loc>
      <image:title>PolyFreeze (Tissue Freezing Medium) - Red</image:title>
      <image:caption>PolyFreeze (Tissue Freezing Medium) - Red - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyfreeze-tissue-freezing-medium-blue</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/blue_1_1_1_d779d369-3595-4177-aabe-59b5413bdbb1-369641.jpg?v=1737983982</image:loc>
      <image:title>PolyFreeze (Tissue Freezing Medium) - Blue</image:title>
      <image:caption>PolyFreeze (Tissue Freezing Medium) - Blue - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/paraffin-block-mailerholder</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25340_2e9576db-345a-4adb-8024-fb5d3da2f822-213579.jpg?v=1737983507</image:loc>
      <image:title>Paraffin Block Mailer/Holder</image:title>
      <image:caption>Paraffin Block Mailer/Holder - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/4-hydroxybutyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25352_9c251044-1a12-45fc-a728-fff2f3507789.jpg?v=1736778854</image:loc>
      <image:title>4-hydroxybutyl acrylate, ≥ 95%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-hydroxypropyl-acrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25353_f33bc224-8174-465a-be9f-025eda06e096.jpg?v=1736778857</image:loc>
      <image:title>2-hydroxypropyl acrylate, ≥ 96%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/nile-blue-methacrylamide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25355_81c744cc-1603-4658-a6fb-b0bab27ac88e.png?v=1738252774</image:loc>
      <image:title>Nile Blue Methacrylamide, ≥ 80%</image:title>
      <image:caption>Nile Blue Methacrylamide, ≥ 80% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-mw-2000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25360-polyethylene-glycol-mw-2000_a408c76c-1d24-48a2-8ce1-36ea3d1a77cc.jpg?v=1735832988</image:loc>
      <image:title>Poly(ethylene glycol) MW 2,000</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/weigerts-hematoxylin-kit-solution-a-b</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25373_c39271e2-8010-43d3-8030-2ff64a3e0d5b-165232.jpg?v=1737984205</image:loc>
      <image:title>Weigert&apos;s Hematoxylin Kit (Solution A &amp; B)</image:title>
      <image:caption>Weigert&apos;s Hematoxylin Kit (Solution A &amp; B) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/disposable-base-molds-7x7x5-mm</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25374_1_9af34e94-0e8b-4f5f-863b-ce751c5b2deb-370122.jpg?v=1737983052</image:loc>
      <image:title>Disposable Base Molds (7x7x5 mm)</image:title>
      <image:caption>Disposable Base Molds (7x7x5 mm) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/disposable-base-molds-15x15x5-mm</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25375_1_3051c5de-9aa6-4d1b-a8cf-7362603470be-787022.jpg?v=1737983003</image:loc>
      <image:title>Disposable Base Molds (15x15x5 mm)</image:title>
      <image:caption>Disposable Base Molds (15x15x5 mm) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/disposable-base-molds-24x24x5-mm</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25376_1_01af6be3-f81f-4807-bc77-78f1cdb5a47d-297686.jpg?v=1737983003</image:loc>
      <image:title>Disposable Base Molds (24x24x5 mm)</image:title>
      <image:caption>Disposable Base Molds (24x24x5 mm) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/disposable-base-molds-30x24x5-mm</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25377_1_b1b5f944-9deb-4818-bfec-09367a8be5a6-974067.jpg?v=1737983003</image:loc>
      <image:title>Disposable Base Molds (30x24x5 mm)</image:title>
      <image:caption>Disposable Base Molds (30x24x5 mm) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/wrinkle-out-water-bath-solution</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_wrinklebath_sm_1_0ddbbe8b-e04d-4e13-8e9f-3aea253bd5d0.jpg?v=1738252725</image:loc>
      <image:title>Wrinkle Out Water Bath Solution</image:title>
      <image:caption>Wrinkle Out Water Bath Solution - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/total-cutting-solution-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25388_3b46eeb2-7425-469d-a422-13b1a0f25ba8-301371.jpg?v=1737984161</image:loc>
      <image:title>Total Cutting Solution Kit</image:title>
      <image:caption>Total Cutting Solution Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/tissue-flotation-water-bath</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25389_e2529c0b-3214-4ab2-9667-82e3d86fdd12-736183.jpg?v=1737983052</image:loc>
      <image:title>Flotation Work Station w/ 8&quot; x 8&quot; x 2 1/4&quot; (Deep Dish), HistoOrientator and Dryer</image:title>
      <image:caption>Flotation Work Station w/ 8&quot; x 8&quot; x 2 1/4&quot; (Deep Dish), HistoOrientator and Dryer - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/nile-blue-acrylamide</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25395-nile-blue-acrylamide_9a2a42e6-c8c7-40ce-aa63-fc5b8686711b.jpg?v=1735833039</image:loc>
      <image:title>Nile Blue Acrylamide, ≥ 80%</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/acryloxyethyl-thiocarbamoyl-rhodamine-b</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25404-acryloxyethyl-thiocarbamoyl-rhodamine-b_99d89233-7b35-4b53-88d5-bcd383555a59.jpg?v=1735833044</image:loc>
      <image:title>Acryloxyethyl thiocarbamoyl Rhodamine B</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-20000-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25406_1_1_1_e2dfe223-14eb-4370-8c14-545b8716e711.png?v=1738252724</image:loc>
      <image:title>Poly(ethylene glycol) (20,000) dimethacrylate</image:title>
      <image:caption>Poly(ethylene glycol) (20,000) dimethacrylate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cryptosporidium-control-slides</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_d5065a8a-a854-45dc-98ca-82f5c23c04e5-753158.jpg?v=1737983003</image:loc>
      <image:title>Cryptosporidium Control Slides (Acid-Fast Stain)</image:title>
      <image:caption>Cryptosporidium Control Slides (Acid - Fast Stain) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/mycobacterium-control-slides</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_8edebf11-759c-4be8-8ff2-18d1127a83b6-201531.jpg?v=1737983421</image:loc>
      <image:title>Mycobacterium Control Slides</image:title>
      <image:caption>Mycobacterium Control Slides - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/acid-fast-control-slides</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_304150bf-4ad7-49bd-94b8-ea66f48a32f3-759582.jpg?v=1737982751</image:loc>
      <image:title>Acid Fast Control Slides</image:title>
      <image:caption>Acid Fast Control Slides - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/protozoan-saf-control-slides</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25415-protozoan-saf-control-slides_39df390d-1fad-42a7-872c-34305d9330c0-285284.jpg?v=1737983982</image:loc>
      <image:title>Protozoan (SAF) Control Slides</image:title>
      <image:caption>Protozoan (SAF) Control Slides - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/myc-d-clinical-samples-control-slides</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_e54b09c1-ec3e-4328-9519-7892d4dff3e4-507595.jpg?v=1737983421</image:loc>
      <image:title>MYC-D (Clinical Samples) Control Slides</image:title>
      <image:caption>MYC - D (Clinical Samples) Control Slides - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/13-glyceryl-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25420-1-3-glyceryl-dimethacrylate_dd81ade3-d79f-4922-b240-4e4d4cc1de51.jpg?v=1735833089</image:loc>
      <image:title>1,3-Glyceryl dimethacrylate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/2-methacryloxyethyl-phosphate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25422-methacryloxyethyl-phosphate_ee175caa-bfa8-4058-b760-c3991f90ffaf.jpg?v=1735833094</image:loc>
      <image:title>2-(methacryloxy)ethyl phosphate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-5000-monomethyl-ether-monomethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25425_25426_1_fae7b35f-8e55-431d-abff-cae87be7c7bc.png?v=1738252724</image:loc>
      <image:title>Poly(ethylene glycol) (5000) monomethyl ether monomethacrylate</image:title>
      <image:caption>Poly(ethylene glycol) (5000) monomethyl ether monomethacrylate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-2000-monomethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25427_3f072bf2-8239-477d-94af-b9927f042167.png?v=1738252724</image:loc>
      <image:title>Poly(ethylene glycol) (2000) monomethacrylate</image:title>
      <image:caption>Poly(ethylene glycol) (2000) monomethacrylate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-8000-dimethacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25428_1_392ea470-9fef-48aa-a38c-fc4dc54ebbc4.png?v=1738252724</image:loc>
      <image:title>Poly(ethylene glycol) (8000) dimethacrylate</image:title>
      <image:caption>Poly(ethylene glycol) (8000) dimethacrylate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly4-vinylphenol-mw-9000-11000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25447_2f9e820b-6ac3-4630-bf72-bc896d3c0f84.jpg?v=1736778865</image:loc>
      <image:title>Poly(4-vinylphenol) [MW 9,000 - 11,000]</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/glass-slide-holder</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25467-glass-slide-holder_15d516f9-f6b9-488d-af05-549960b98b14-707276.jpg?v=1737983249</image:loc>
      <image:title>Glass Slide Holder</image:title>
      <image:caption>Glass Slide Holder - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyethylene-glycol-1000-diacrylate</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25485_31e0d612-372c-43fd-bf75-1b93fe66612f.png?v=1738252724</image:loc>
      <image:title>Poly(ethylene glycol) 1,000 diacrylate</image:title>
      <image:caption>Poly(ethylene glycol) 1,000 diacrylate - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/staintray-slide-staining-system-base-with-black-lid-10-slide-capacity</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/staintray-blacklid-10_1_1_41b6e7ee-b3e1-48d2-8d2e-846854e0ff3e-849610.jpg?v=1737984102</image:loc>
      <image:title>StainTray™ Slide Staining System - Base with Black Lid (10 Slide Capacity)</image:title>
      <image:caption>StainTray™ Slide Staining System - Base with Black Lid (10 Slide Capacity) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/black-lid-for-staintray-slide-staining-system-10-slide-capacity</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only-431927-166951_12fb51ec-2b5d-4442-bd1b-0b9d23af108b.jpg?v=1746819084</image:loc>
      <image:title>Black Lid for StainTray™ Slide Staining System (10 Slide Capacity)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/staintray-slide-staining-system-base-with-clear-lid-20-slide-capacity</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/staintray-clearlid-20_1_9d6ccc91-3c40-42f8-8369-d4f8213362a6-878997.jpg?v=1737984102</image:loc>
      <image:title>StainTray™ Slide Staining System - Base with Clear Lid (20 Slide Capacity)</image:title>
      <image:caption>StainTray™ Slide Staining System - Base with Clear Lid (20 Slide Capacity) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/staintray-slide-staining-system-base-with-black-lid-20-slide-capacity</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/staintray-blacklid-20_1_5f75e3f8-8bbc-40ff-a8ec-9d12b5bc2e69-515305.jpg?v=1737984102</image:loc>
      <image:title>StainTray™ Slide Staining System, Base with Black Lid (20 Slide Capacity)</image:title>
      <image:caption>StainTray™ Slide Staining System, Base with Black Lid (20 Slide Capacity) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/3-phenoxy-2-hydroxy-propyl-methacrylate-phpm</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25506_1_1_9b1336bf-4825-4250-b0d0-b33a1cdaadd4.png?v=1738252724</image:loc>
      <image:title>3-Phenoxy-2-hydroxypropyl methacrylate (PHPM), ≥ 95%</image:title>
      <image:caption>3 - Phenoxy - 2 - hydroxypropyl methacrylate (PHPM), ≥ 95% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/biomasher-isupsup-15ml-microtube-with-o-ring-pe-filter-soft-samples</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25525_d28fb686-41c1-40ca-a513-38de5467ad48-631210.jpg?v=1737982945</image:loc>
      <image:title>BioMasher I®, 1.5ml Microtube with O-ring, PE filter, soft samples</image:title>
      <image:caption>BioMasher I®, 1.5ml Microtube with O - ring, PE filter, soft samples - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/biomasher-isupsup-20ml-microtube-with-o-ring-pe-filter-soft-samples</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25526_f65068b4-11b5-4f2d-8c86-c8448c065fc0-208090.jpg?v=1737982945</image:loc>
      <image:title>BioMasher I®, 2.0ml Microtube with O-ring, PE filter, soft samples</image:title>
      <image:caption>BioMasher I®, 2.0ml Microtube with O - ring, PE filter, soft samples - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/biomasher-isupsup-with-15ml-microtube-wo-o-ring-pe-filter-hard-samples</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25527_04de8e85-460b-443c-b6c3-19f1a8aba251-166601.jpg?v=1737982945</image:loc>
      <image:title>BioMasher I® with 1.5ml Microtube w/o O-ring, PE filter, hard samples</image:title>
      <image:caption>BioMasher I® with 1.5ml Microtube w/o O - ring, PE filter, hard samples - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/biomasher-isupsup-with-15ml-microtube-wo-o-ring-pp-filter-hard-samples</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25528_bfdaf693-2bd8-4842-8e79-581e01821b42-846439.jpg?v=1737982945</image:loc>
      <image:title>BioMasher I® with 1.5ml Microtube w/o O-ring, PP filter, hard samples</image:title>
      <image:caption>BioMasher I® with 1.5ml Microtube w/o O - ring, PP filter, hard samples - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/biomasher-isupsup-with-15ml-microtube-with-o-ring-pp-filter-soft-samples</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25529_5400bbbc-8bc9-4c25-9dd0-3c6948926109-297296.jpg?v=1737982945</image:loc>
      <image:title>BioMasher I® with 1.5ml Microtube with O-ring, PP filter, soft samples</image:title>
      <image:caption>BioMasher I® with 1.5ml Microtube with O - ring, PP filter, soft samples - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/biomasher-isupsup-with-20ml-microtube-wo-o-ring-pe-filter-hard-samples</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25530_64657fed-a5bc-4cd2-a082-295d5dc651d8-233450.jpg?v=1737982945</image:loc>
      <image:title>BioMasher I® with 2.0ml Microtube w/o O-ring, PE filter, hard samples</image:title>
      <image:caption>BioMasher I® with 2.0ml Microtube w/o O - ring, PE filter, hard samples - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/biomasher-iisupsup-disposable-micro-tissue-homogenizer-eog-sterilized</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25533_1_3fa51b4d-5c1b-4016-94ab-d9d21d574770-804466.jpg?v=1737982945</image:loc>
      <image:title>Biomasher II® Disposable Micro Tissue Homogenizer (EOG-sterilized)</image:title>
      <image:caption>Biomasher II® Disposable Micro Tissue Homogenizer (EOG - sterilized) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/biomasher-iisupsup-disposable-micro-tissue-homogenizer-non-sterile</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25534_39203c63-b157-458d-a38b-f4b325587674-839507.jpg?v=1737982945</image:loc>
      <image:title>Biomasher II® Disposable Micro Tissue Homogenizer (Non-sterile)</image:title>
      <image:caption>Biomasher II® Disposable Micro Tissue Homogenizer (Non - sterile) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/biomasher-iiisupsup-disposable-micro-tissue-homogenizer-non-sterile</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25535_58cf8c4b-1d8c-4e33-8c76-8c5fe98f3025-103857.jpg?v=1737982945</image:loc>
      <image:title>BioMasher III® Disposable Micro Tissue Homogenizer (Non-sterile)</image:title>
      <image:caption>BioMasher III® Disposable Micro Tissue Homogenizer (Non - sterile) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylonitrile-co-polymer-with-6-methacrylic-acid-mw-80000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25562_polyacrylonitrile_co-polymer_with_6_methyl_acrylate_structure_1_82fa5786-e35a-4471-baf6-cda8ac1d04c5.png?v=1738252724</image:loc>
      <image:title>Polyacrylonitrile, co-polymer with 6% methyl acrylate (MW ~80,000)</image:title>
      <image:caption>Polyacrylonitrile, co - polymer with 6% methyl acrylate (MW ~80,000) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyacrylonitrile-homopolymer-mw-200000</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25563-polyacrylonitrile-homopolymer_213dd4db-0d44-46bb-9af4-714386b4cb15.png?v=1738252724</image:loc>
      <image:title>Polyacrylonitrile, homopolymer (MW ~200,000)</image:title>
      <image:caption>Polyacrylonitrile, homopolymer (MW ~200,000) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/biopsy-bags-small-nylon-mesh</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_biopsy-isolated-web2_e727a4ac-49aa-4552-85af-46d73708993e.png?v=1738252724</image:loc>
      <image:title>Biopsy Bags, Small (Nylon Mesh)</image:title>
      <image:caption>Biopsy Bags, Small (Nylon Mesh) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvuesupsup-red-mini-kit-for-membrane-labeling</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/24844_1_9e163773-1d14-414e-a938-baf1678bfe67-675295.jpg?v=1737983002</image:loc>
      <image:title>CellVue® Red Mini Kit for Membrane Labeling</image:title>
      <image:caption>CellVue® Red Mini Kit for Membrane Labeling - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cideholsupsup-st-sterile-70-ipa-from-decon-laboratories</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25649_sm_3_2745035c-54de-4a11-8387-022f22f3e496.png?v=1738252725</image:loc>
      <image:title>CiDehol® ST Sterile 70% IPA from Decon Laboratories</image:title>
      <image:caption>CiDehol® ST Sterile 70% IPA from Decon Laboratories - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/polyallylamine-hydrochloride</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25673_1_1bfa54a2-965d-4f53-b294-96edca43bd71.png?v=1738252724</image:loc>
      <image:title>Poly(allylamine hydrochloride)</image:title>
      <image:caption>Poly(allylamine hydrochloride) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/persist-solvent-gel-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25674-wolbers-solvent-gel-kit_e6f3a603-4057-4390-914d-90bae9c1b68b-875661.jpg?v=1737983563</image:loc>
      <image:title>Persist Solvent Gel Kit</image:title>
      <image:caption>Persist Solvent Gel Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/persist-solvent-gel-kit-1</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_3c63ec19-c03a-493f-b46f-2c862b295a3a-673031.jpg?v=1737983563</image:loc>
      <image:title>PolySol™ D60 Gel</image:title>
      <image:caption>Persist Solvent Gel Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/persist-solvent-gel-kit-2</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_e18c0def-5c7a-4de3-9690-af3c996a4f12-109922.jpg?v=1737983563</image:loc>
      <image:title>Xylene Gel</image:title>
      <image:caption>Persist Solvent Gel Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/persist-solvent-gel-kit-3</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_df21e890-ea3b-4d6d-abcf-895f71a883e3-103157.jpg?v=1737983563</image:loc>
      <image:title>Benzyl Alcohol Gel</image:title>
      <image:caption>Persist Solvent Gel Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/persist-solvent-gel-kit-4</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_a8fc85c2-e4b7-4ce2-95f6-44d0461b22fb-585543.jpg?v=1737983563</image:loc>
      <image:title>Isopropanol Gel</image:title>
      <image:caption>Persist Solvent Gel Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/persist-solvent-gel-kit-5</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_e723b399-aa97-4ba1-bb22-0a466828c1fa-133348.jpg?v=1737983563</image:loc>
      <image:title>Acetone Gel</image:title>
      <image:caption>Persist Solvent Gel Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/persist-solvent-gel-kit-6</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/logo_only_bc12e042-5aec-4166-abda-d4d346768ea0-167837.jpg?v=1737983563</image:loc>
      <image:title>NMP Gel</image:title>
      <image:caption>Persist Solvent Gel Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/cellvue-red-midi-kit</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25682_b5036bca-19e1-4d19-a2d0-c1bd02a277ae-878871.jpg?v=1737983001</image:loc>
      <image:title>CellVue® Red MIDI Kit</image:title>
      <image:caption>CellVue® Red MIDI Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/psvue-biotin</loc>
    <lastmod>2026-07-21T15:55:48-04:00</lastmod>
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    <image:image>
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  </url>
  <url>
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    <image:image>
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      <image:caption>NeuroVue® Jade Solid - Polysciences</image:caption>
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  </url>
  <url>
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    <image:image>
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  </url>
  <url>
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    <image:image>
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    </image:image>
  </url>
  <url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25723_51c7e5b8-18e7-45fa-bd76-42deeffaab8d.png?v=1738252724</image:loc>
      <image:title>N-Dodecylacrylamide, ≥ 97%</image:title>
      <image:caption>N - Dodecylacrylamide, ≥ 97% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/poly-l-lysine-hydrobromide-mw-275000</loc>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/25724-poly-l-lysine-hydrobromide-mw-275000_256d9c1c-2cb7-4cee-a54f-f827627deb83.jpg?v=1735833350</image:loc>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    <image:image>
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  </url>
  <url>
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    <image:image>
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    </image:image>
  </url>
  <url>
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    </image:image>
  </url>
  <url>
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    <image:image>
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      <image:caption>Hydroxypropyl Cellulose [1,000 - 4,000 cP] - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
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    <image:image>
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      <image:title>PolySeal™ Coverslipping Tape</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>AFB Kinyoun Kit (Cold Method) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
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    <image:image>
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      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>SaniHol ST 70% - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
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    <image:image>
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      <image:caption>Decalcifier, Formic Acid - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
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      <image:caption>Decalcifier, Hydrochloric Acid - Polysciences</image:caption>
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  </url>
  <url>
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    </image:image>
  </url>
  <url>
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      <image:title>Hydrochloric Acid, Concentrated</image:title>
      <image:caption>Hydrochloric Acid, Concentrated - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
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      <image:title>Isopropyl Alcohol, 70%</image:title>
      <image:caption>Isopropyl Alcohol, 70% - Polysciences</image:caption>
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  </url>
  <url>
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      <image:title>PolyPress™ Tissue Embedding Tampers (10mm x10mm)</image:title>
      <image:caption>PolyPress™ Tissue Embedding Tampers (10mm x10mm) - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25962_cb1f4c98-c80a-46f7-8b48-760889d6e656.png?v=1738252724</image:loc>
      <image:title>Oil Red O Stain Kit</image:title>
      <image:caption>Oil Red O Stain Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/polypress-tissue-embedding-tamper-25964_3dd903e5-a2c7-4bdb-8c44-eaf36d9f23bf-572868.jpg?v=1737983982</image:loc>
      <image:title>PolyPress™ Tissue Embedding Tampers (15mm x 15mm)</image:title>
      <image:caption>PolyPress™ Tissue Embedding Tampers (15mm x 15mm) - Polysciences</image:caption>
    </image:image>
  </url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/NEW_25991_sporgon_image_1_e2ea65cb-bc87-4ce5-9ccc-4c903c8645de.png?v=1738252724</image:loc>
      <image:title>SporGon</image:title>
      <image:caption>SporGon - Polysciences</image:caption>
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  </url>
  <url>
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      <image:title>Bielschowsky Stain Kit</image:title>
      <image:caption>Bielschowsky Stain Kit - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Phen-DC3</image:title>
      <image:caption>Phen - DC3 - Polysciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/blue-platinum-em-stain</loc>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0713/5258/2358/files/blue-platinum-em-stain-26001_d6240e02-8d76-42eb-b61e-50757b583613.jpg?v=1735833459</image:loc>
      <image:title>Blue Platinum EM Stain</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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      <image:title>Tweezers, 7 Dumont INOX, epoxy coated, curved tip</image:title>
      <image:caption>Tweezers, 7 Dumont INOX, epoxy coated, curved tip - Polysciences</image:caption>
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  </url>
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      <image:title>Flotation Work Station with 8&quot; x 11&quot; x 2&quot; Dish, HistoOrientator and Dryer</image:title>
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    </image:image>
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    <image:image>
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      <image:caption>Flotation Work Station with 8&quot;x 8&quot;x 2 1/4&quot; (Deep Dish) - Polysciences</image:caption>
    </image:image>
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    <image:image>
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      <image:title>PolyPress™ Tissue Embedding Tampers (combo)</image:title>
      <image:caption>Polysciences PolyPress™ Tissue Embedding Tampers combo set, precision metal tools for histology tissue block embedding</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://polysciences.com/products/methoxy-peg-alkyne-mp-750</loc>
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      <image:title>Methoxy PEG alkyne, Mp 750</image:title>
      <image:caption>Methoxy PEG alkyne, Mp 750 - Polysciences</image:caption>
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