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  <url>
    <loc>https://www.nanobrand.com/blogs/infos/what-is-true-citrate-surface-gold-nanoparticles</loc>
    <lastmod>2026-06-21T07:03:40-04:00</lastmod>
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      <image:title>What is &quot;true citrate surface&quot;?</image:title>
      <image:caption>Schematic presentation of gold nanoparticle having citrate surface coating</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/why-monodispersity-is-important</loc>
    <lastmod>2026-06-21T07:00:46-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0895/2977/8457/articles/two_bottles_image_2.png?v=1782039646</image:loc>
      <image:title>Why is monodispersity important for customers?</image:title>
      <image:caption>Monodisperse gold nanoparticles lead to reproducible results</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/why-stabilizing-agents-should-be-avoided-gold-nanoparticles</loc>
    <lastmod>2026-06-21T07:19:36-04:00</lastmod>
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      <image:title>Why should stabilizing agents be avoided?</image:title>
      <image:caption>Advantages of stabilizer-free and reactant-free gold nanoparticles products</image:caption>
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  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/monodispersity-and-purity-advantages-for-biosensing</loc>
    <lastmod>2026-06-05T10:06:44-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0895/2977/8457/articles/Nanobrand_Lateral_Flow_Assay_Biosensing_monodisperse_gold_nanoparticles_advantages_AuNPs_colloidal_gold_7ad07af0-c18c-4e26-89f7-a43f51d2051a.png?v=1780668404</image:loc>
      <image:title>Increasing accuracy and specificity in Biosensing</image:title>
      <image:caption>Lateral flow assay strip showing red test lines</image:caption>
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  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/gold-nanostars-or-nanourchins-what-to-chose-biomedical-applications</loc>
    <lastmod>2026-05-06T10:34:26-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0895/2977/8457/articles/NanoBrand_Nanostars_Nanourchins_AuNPs_Gold_Nanoparticles_12655046-3c79-4fa7-846e-069a195119d9.png?v=1778078066</image:loc>
      <image:title>What to choose: Gold Nanostars or Gold Nanourchins?</image:title>
      <image:caption>Gold nanostar compared to gold nanourchin</image:caption>
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  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/what-are-gold-nanostars-hot-spots-and-why-do-they-matter</loc>
    <lastmod>2026-05-06T10:35:12-04:00</lastmod>
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      <image:title>What are Gold Nanostars’ “hot spots”?</image:title>
      <image:caption>Gold nanostars with their &quot;hot spots&quot; intensifying electromagnetic fields</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/surface-chemistry-as-the-real-product-when-you-buy-gold-nanoparticles</loc>
    <lastmod>2026-10-04T16:35:35-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0895/2977/8457/articles/Gold_nanoparticles_NanoBrand_same_core_different_surface.png?v=1791146135</image:loc>
      <image:title>Why is Surface Chemistry a real “product” when buying Gold Nanoparticles?</image:title>
      <image:caption>Gold nanoparticles having different surface funktionalization look similar on TEM images</image:caption>
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  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/when-20-nm-gold-is-really-20-nm-every-time</loc>
    <lastmod>2026-06-17T11:58:33-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0895/2977/8457/articles/NanoBrand_reproducible_quality_872ca3de-5e9b-4f78-8752-c72db6614c12.png?v=1781711913</image:loc>
      <image:title>When “20 nm gold” is really 20 nm – every time</image:title>
      <image:caption>Lot-to-lot reproducibility of 20nm Spherical Citrate Gold Nanoparticles</image:caption>
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  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/why-do-not-we-sell-them-bare-gold-nanostars</loc>
    <lastmod>2026-05-06T10:31:41-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0895/2977/8457/articles/NanoBrand_Gold_Nanostars_stability_with_and_without_surface_coating_7.png?v=1778077901</image:loc>
      <image:title>Why did we choose not to sell them “bare” ?</image:title>
      <image:caption>Comparison of time-related changes occuring with coated and bare gold nanostars </image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/what-is-actually-gold-specific-in-gold-nanoparticles</loc>
    <lastmod>2026-06-05T10:07:20-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0895/2977/8457/articles/for_article_1_w_3c769683-21df-406a-bea8-d71ce94b3418.png?v=1780668440</image:loc>
      <image:title>What is actually “gold-specific” in Gold Nanoparticles ?</image:title>
      <image:caption>Gold-specific properties of gold nanoparticles in biomedical applications</image:caption>
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  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/why-does-fine-size-control-matter-in-gold-nanoparticles</loc>
    <lastmod>2026-06-21T07:07:28-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0895/2977/8457/articles/Comparison_of_TEM_images_for_5nm_7nm_and_10nm_AuNPs_d68e98c9-27bc-4c54-a091-591acd4d72e5.png?v=1782040048</image:loc>
      <image:title>Why does fine size control matter in gold nanoparticles?</image:title>
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  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/when-your-biosensor-fails-is-it-really-the-biology-or-your-nanoparticles</loc>
    <lastmod>2026-06-17T12:07:03-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0895/2977/8457/articles/NanoBrand_illustration_of_optimized_biosensor_using_Gold_Nanoparticles_b60ae288-4e0c-4634-a780-0d35afcfbd28.jpg?v=1781712422</image:loc>
      <image:title>When your Biosensor fails, is it the Biology or your Nanoparticles?</image:title>
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  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/how-to-evaluate-aunps-stability-using-uv-vis-spectroscopy</loc>
    <lastmod>2026-07-16T17:01:55-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0895/2977/8457/articles/How_to_evaluate_stability_of_Gold_Nanoparticles_with_UV-vis_Spectroscopy_8a036cd8-5584-4e55-b5e3-edafc19ef9d4.png?v=1784235715</image:loc>
      <image:title>How to Evaluate Gold Nanoparticles Stability using UV-Vis Spectroscopy?</image:title>
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  </url>
  <url>
    <loc>https://www.nanobrand.com/blogs/infos/gold-nanoparticle-surface-chemistry-how-to-choose-the-right-coating</loc>
    <lastmod>2026-10-07T07:29:00-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0895/2977/8457/articles/Gold_nanoparticles_surface_coatings_types.png?v=1791372540</image:loc>
      <image:title>Gold Nanoparticle Surface Chemistry: How to Choose the Right Coating</image:title>
      <image:caption>Representation of most commonly used surface coatings for gold nanoparticles </image:caption>
    </image:image>
  </url>
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