{"id":411,"date":"2025-12-16T08:31:23","date_gmt":"2025-12-16T07:31:23","guid":{"rendered":"https:\/\/staging-scf.agence-nsw.xyz\/champagne-ardenne\/actualites\/conference-28-novembre-2025\/"},"modified":"2025-12-16T08:31:23","modified_gmt":"2025-12-16T07:31:23","slug":"conference-28-novembre-2025","status":"publish","type":"post","link":"https:\/\/staging-scf.agence-nsw.xyz\/champagne-ardenne\/fr\/actualites\/conference-28-novembre-2025\/","title":{"rendered":"Conf\u00e9rence 28 novembre 2025"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Dr Caroline Hadad (Universit\u00e9 de Picardie Jules Verne, Amiens)<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">De la biomasse aux nanomat\u00e9riaux.<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Les polym\u00e8res naturels sont des compos\u00e9s organiques pr\u00e9sents dans la biomasse. Gr\u00e2ce \u00e0 leur biod\u00e9gradabilit\u00e9, leur biocompatibilit\u00e9, leur non-toxicit\u00e9 et leur disponibilit\u00e9 abondante, ils constituent une plateforme polyvalente pour le d\u00e9veloppement de biomat\u00e9riaux dans les domaines biom\u00e9dical et environnemental. Parmi les polym\u00e8res naturels les plus courants, on peut citer les polysaccharides (cellulose, chitine ou alginate), les prot\u00e9ines (collag\u00e8ne, soie) ainsi que les polyph\u00e9nols (lignine). Cependant, leur utilisation est souvent limit\u00e9e par leur faible solubilit\u00e9 en milieu aqueux. Pour pallier cette contrainte, leur transformation en nano-objets repr\u00e9sente une strat\u00e9gie efficace, permettant d\u2019accro\u00eetre leur stabilit\u00e9, d\u2019optimiser leurs propri\u00e9t\u00e9s physico-chimiques et de faciliter leur incorporation dans des matrices fonctionnelles. De plus, leur surface sp\u00e9cifique \u00e9lev\u00e9e, l\u2019abondance de groupements fonctionnels (\u2013OH, \u2013NH\u2082, etc.) et leur bonne stabilit\u00e9 constituent des atouts majeurs pour la fonctionnalisation de surface. Ainsi, nous pr\u00e9senterons la transformation de la cellulose, de la chitine et de la lignine en nano-objets \u00e0 haute valeur ajout\u00e9e, ainsi que leur fonctionnalisation de surface. Une attention particuli\u00e8re sera port\u00e9e \u00e0 l\u2019utilisation de proc\u00e9d\u00e9s respectueux de l\u2019environnement. Enfin, nous aborderons leur incorporation dans des matrices \u00e0 base d\u2019alginate pour des applications dans les domaines m\u00e9dical et environnemental.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dr Caroline Hadad (Universit\u00e9 de Picardie Jules Verne, Amiens) De la biomasse aux nanomat\u00e9riaux. Les polym\u00e8res naturels sont des compos\u00e9s organiques pr\u00e9sents dans la biomasse. Gr\u00e2ce \u00e0 leur biod\u00e9gradabilit\u00e9, leur biocompatibilit\u00e9, leur non-toxicit\u00e9 et leur disponibilit\u00e9 abondante, ils constituent une plateforme polyvalente pour le d\u00e9veloppement de biomat\u00e9riaux dans les domaines biom\u00e9dical et environnemental. Parmi les [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-411","post","type-post","status-publish","format-standard","hentry","category-actualites"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Conf\u00e9rence 28 novembre 2025 - SCF R\u00e9gion Champagne-Ardenne<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Conf\u00e9rence 28 novembre 2025 - SCF R\u00e9gion Champagne-Ardenne\" \/>\n<meta property=\"og:description\" content=\"Dr Caroline Hadad (Universit\u00e9 de Picardie Jules Verne, Amiens) De la biomasse aux nanomat\u00e9riaux. 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