{"id":505,"date":"2022-02-11T17:42:51","date_gmt":"2022-02-11T17:42:51","guid":{"rendered":"https:\/\/wp.icmm.csic.es\/realm\/?p=505"},"modified":"2025-08-05T18:03:08","modified_gmt":"2025-08-05T18:03:08","slug":"avoiding-degradation-of-upconversion-nanoparticles-by-using-hydrophobic-polymer-shells","status":"publish","type":"post","link":"https:\/\/wp.icmm.csic.es\/realm\/2022\/02\/11\/avoiding-degradation-of-upconversion-nanoparticles-by-using-hydrophobic-polymer-shells\/","title":{"rendered":"Avoiding Degradation of Upconversion Nanoparticles by Using Hydrophobic Polymer Shells"},"content":{"rendered":"<p>The article \u00abUpconverting Nanoparticles in Aqueous Media: Not a Dead-End Road. Avoiding Degradation by Using Hydrophobic Polymer Shells\u00bb, published in <strong>Small, 2021, 2105652<\/strong>,\u00a0 <a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/smll.202105652\">https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/smll.20210565<\/a>2<span style=\"font-size: 1rem\">,\u00a0 <\/span><span style=\"font-size: 1rem\">presents a new strategy to coat and protect \u03b2-NaYF4 upconversion nanoparticles (UCNPs) against degradation in aqueous media by growing a hydrophobic polymer shell (HPS) through miniemulsion polymerization of styrene (St), or St and methyl methacrylate mixtures.<\/span><\/p>\n<p>Stability studies reveal that these HPSs serve as a very effective barrier, impeding polar molecules to affect UCNPs optical properties. Even more, it allows UCNPs to withstand aggressive conditions such as high dilutions (5 \u03bcg mL\u22121), high phosphate concentrations (100 mm), and high temperatures (70 \u00b0C).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-594 aligncenter\" src=\"https:\/\/wp.icmm.csic.es\/realm\/wp-content\/uploads\/sites\/28\/2025\/08\/smll202105652-gra-0001-m-300x273.jpg\" alt=\"\" width=\"384\" height=\"349\" srcset=\"https:\/\/wp.icmm.csic.es\/realm\/wp-content\/uploads\/sites\/28\/2025\/08\/smll202105652-gra-0001-m-300x273.jpg 300w, https:\/\/wp.icmm.csic.es\/realm\/wp-content\/uploads\/sites\/28\/2025\/08\/smll202105652-gra-0001-m.jpg 394w\" sizes=\"auto, (max-width: 384px) 100vw, 384px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The article \u00abUpconverting Nanoparticles in Aqueous Media: Not a Dead-End Road. Avoiding Degradation by Using Hydrophobic Polymer Shells\u00bb, published in Small, 2021, 2105652,\u00a0 https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/smll.202105652,\u00a0 presents a new strategy to coat and protect \u03b2-NaYF4 upconversion nanoparticles (UCNPs) against degradation in aqueous media by growing a hydrophobic polymer shell (HPS) through miniemulsion polymerization of styrene (St), or &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/wp.icmm.csic.es\/realm\/2022\/02\/11\/avoiding-degradation-of-upconversion-nanoparticles-by-using-hydrophobic-polymer-shells\/\" class=\"more-link\">Continuar leyendo<span class=\"screen-reader-text\"> \u00abAvoiding Degradation of Upconversion Nanoparticles by Using Hydrophobic Polymer Shells\u00bb<\/span><\/a><\/p>\n","protected":false},"author":52,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"link","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-505","post","type-post","status-publish","format-link","hentry","category-sin-categoria","post_format-post-format-link"],"_links":{"self":[{"href":"https:\/\/wp.icmm.csic.es\/realm\/wp-json\/wp\/v2\/posts\/505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.icmm.csic.es\/realm\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.icmm.csic.es\/realm\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.icmm.csic.es\/realm\/wp-json\/wp\/v2\/users\/52"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.icmm.csic.es\/realm\/wp-json\/wp\/v2\/comments?post=505"}],"version-history":[{"count":6,"href":"https:\/\/wp.icmm.csic.es\/realm\/wp-json\/wp\/v2\/posts\/505\/revisions"}],"predecessor-version":[{"id":628,"href":"https:\/\/wp.icmm.csic.es\/realm\/wp-json\/wp\/v2\/posts\/505\/revisions\/628"}],"wp:attachment":[{"href":"https:\/\/wp.icmm.csic.es\/realm\/wp-json\/wp\/v2\/media?parent=505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.icmm.csic.es\/realm\/wp-json\/wp\/v2\/categories?post=505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.icmm.csic.es\/realm\/wp-json\/wp\/v2\/tags?post=505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}