{"id":65154,"date":"2026-01-22T11:24:04","date_gmt":"2026-01-22T16:24:04","guid":{"rendered":"https:\/\/rheolution.com\/?p=65154"},"modified":"2026-08-13T12:46:02","modified_gmt":"2026-08-13T16:46:02","slug":"hydrogels-pegda","status":"publish","type":"post","link":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/","title":{"rendered":"Hydrogels PEGDA"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"65154\" class=\"elementor elementor-65154 elementor-63198\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8fd4dcf e-flex e-con-boxed e-con e-parent\" data-id=\"8fd4dcf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8c770e2 elementor-widget elementor-widget-heading\" data-id=\"8c770e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">Note d'application | ElastoSens\u2122 Bio<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-760ae40 elementor-widget elementor-widget-heading\" data-id=\"760ae40\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Hydrogels PEGDA : Propri\u00e9t\u00e9s, Applications et Comportement M\u00e9canique<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16057f6 elementor-widget elementor-widget-text-editor\" data-id=\"16057f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>par <a href=\"https:\/\/www.linkedin.com\/in\/mayasalame\/\">Maya Salame<\/a> et <a href=\"https:\/\/www.linkedin.com\/in\/dimitria-camas%C3%A3o-049002a2\/\">Dimitria Camasao<\/a><\/p><p>Charg\u00e9s d&rsquo;\u00e9tudes d&rsquo;application<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-97ac8de e-flex e-con-boxed e-con e-parent\" data-id=\"97ac8de\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5fc8fde elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"5fc8fde\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Qu'est-ce qu'un hydrogel PEGDA ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d61237b elementor-widget elementor-widget-text-editor\" data-id=\"d61237b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Les hydrogels de diacrylate de poly(\u00e9thyl\u00e8ne glycol) (PEGDA) sont des r\u00e9seaux polym\u00e8res synth\u00e9tiques gonfl\u00e9s \u00e0 l&rsquo;eau, form\u00e9s par la r\u00e9ticulation chimique de cha\u00eenes de PEG fonctionnalis\u00e9es par des groupes terminaux acrylates. Le PEG lui-m\u00eame est un polym\u00e8re hydrophile et non ionique obtenu par polym\u00e9risation industrielle de l\u2019oxyde d\u2019\u00e9thyl\u00e8ne ; il est largement utilis\u00e9 dans les applications biom\u00e9dicales en raison de sa stabilit\u00e9 chimique et de sa faible toxicit\u00e9. Le PEGDA est synth\u00e9tis\u00e9 par r\u00e9action du PEG avec des r\u00e9actifs contenant des groupes acrylate, ce qui introduit des doubles liaisons carbone-carbone r\u00e9actives aux deux extr\u00e9mit\u00e9s de la cha\u00eene. Ces groupes fonctionnels permettent la formation rapide d\u2019un r\u00e9seau par polym\u00e9risation radicalaire, transformant les solutions pr\u00e9curseurs liquides en hydrogels solides dans des conditions douces compatibles avec les cellules et les mol\u00e9cules bioactives.   <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5703c6a elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"5703c6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Propri\u00e9t\u00e9s principales des hydrogels \u00e0 base de PEGDA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a0b64a elementor-widget elementor-widget-heading\" data-id=\"5a0b64a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Caract\u00e9ristiques physico-chimiques<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38524ee elementor-widget elementor-widget-text-editor\" data-id=\"38524ee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Les hydrogels PEGDA se forment par des r\u00e9actions de r\u00e9ticulation chimique qui cr\u00e9ent des r\u00e9seaux covalents pr\u00e9sentant une forte teneur en eau et une structure modulable. La g\u00e9lification s&rsquo;op\u00e8re g\u00e9n\u00e9ralement par photopolym\u00e9risation : l&rsquo;exposition \u00e0 la lumi\u00e8re active un photo-initiateur qui g\u00e9n\u00e8re des radicaux libres, d\u00e9clenchant ainsi la polym\u00e9risation des groupes acrylates. <\/span><\/p><p><span style=\"font-weight: 400\">Parmi les principales caract\u00e9ristiques physico-chimiques, on peut citer :<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>M\u00e9canisme de polym\u00e9risation :<\/strong> r\u00e9actions d&rsquo;addition radicalaire entre des groupes acrylates.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>Strat\u00e9gie de r\u00e9ticulation :<\/strong> photopolym\u00e9risation activ\u00e9e par la lumi\u00e8re \u00e0 l&rsquo;aide de photo-initiateurs biocompatibles.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>Structure du r\u00e9seau :<\/strong> r\u00e9seaux polym\u00e8res homog\u00e8nes et fortement hydrat\u00e9s.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>Sensibilit\u00e9 aux conditions environnementales :<\/strong> la cin\u00e9tique de g\u00e9lification et la densit\u00e9 du r\u00e9seau d\u00e9pendent de l&rsquo;intensit\u00e9 lumineuse, de la dur\u00e9e d&rsquo;exposition, de la concentration en polym\u00e8re et du poids mol\u00e9culaire.<\/span><\/li><\/ul><p><span style=\"font-weight: 400\">Les cha\u00eenes de PEG \u00e9tant tr\u00e8s mobiles et r\u00e9sistant \u00e0 l&rsquo;adsorption des prot\u00e9ines, les hydrogels \u00e0 base de PEGDA sont intrins\u00e8quement bio-inertes, offrant ainsi une matrice \u00ab vierge \u00bb pouvant \u00eatre con\u00e7ue avec pr\u00e9cision.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30981bc elementor-widget elementor-widget-heading\" data-id=\"30981bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Propri\u00e9t\u00e9s m\u00e9caniques<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e827a1 elementor-widget elementor-widget-text-editor\" data-id=\"2e827a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Le comportement m\u00e9canique des hydrogels \u00e0 base de PEGDA est hautement modulable et directement li\u00e9 \u00e0 l&rsquo;architecture de leur r\u00e9seau. En ajustant les param\u00e8tres de formulation, les hydrogels \u00e0 base de PEGDA peuvent couvrir des plages de rigidit\u00e9 correspondant \u00e0 celles de nombreux tissus mous. <\/span><\/p><p><span style=\"font-weight: 400\">Parmi les principaux facteurs d\u00e9terminants des propri\u00e9t\u00e9s m\u00e9caniques, on peut citer :<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>Densit\u00e9 de r\u00e9ticulation :<\/strong> une augmentation de la concentration en polym\u00e8re ou une diminution du poids mol\u00e9culaire du PEG entra\u00eene une rigidit\u00e9 plus \u00e9lev\u00e9e.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>Connectivit\u00e9 du r\u00e9seau :<\/strong> l&rsquo;incorporation de groupes r\u00e9actifs concurrents peut r\u00e9duire la r\u00e9ticulation effective et ramollir le gel.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>Comportement au gonflement :<\/strong> l&rsquo;absorption d&rsquo;eau influe sur l&rsquo;\u00e9lasticit\u00e9, la perm\u00e9abilit\u00e9 et la stabilit\u00e9 m\u00e9canique.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>M\u00e9canismes de d\u00e9gradation :<\/strong> la scission hydrolytique ou enzymatique des segments d\u00e9gradables entra\u00eene un ramollissement progressif au fil du temps.<\/span><\/li><\/ul><p><span style=\"font-weight: 400\">Cette adaptabilit\u00e9 permet de contr\u00f4ler ind\u00e9pendamment la rigidit\u00e9, la perm\u00e9abilit\u00e9 et la cin\u00e9tique de d\u00e9gradation, ce qui est essentiel pour les \u00e9tudes en m\u00e9canobiologie.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0959975 elementor-widget elementor-widget-heading\" data-id=\"0959975\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Interactions biologiques<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90cc644 elementor-widget elementor-widget-text-editor\" data-id=\"90cc644\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Les hydrogels de PEGDA non modifi\u00e9s r\u00e9sistent \u00e0 l&rsquo;adsorption non sp\u00e9cifique des prot\u00e9ines et \u00e0 l&rsquo;adh\u00e9sion cellulaire. Afin de favoriser l&rsquo;activit\u00e9 biologique, les r\u00e9seaux de PEGDA sont g\u00e9n\u00e9ralement biofonctionnalis\u00e9s \u00e0 l&rsquo;aide de peptides, de prot\u00e9ines ou de facteurs de croissance. <\/span><\/p><p><span style=\"font-weight: 400\">Les interactions biologiques peuvent notamment inclure :<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>Adh\u00e9rence cellulaire :<\/strong> l&rsquo;incorporation covalente de peptides adh\u00e9sifs tels que le RGD permet une fixation m\u00e9di\u00e9e par les int\u00e9grines.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>Biocompatibilit\u00e9 :<\/strong> les hydrogels \u00e0 base de PEGDA sont non toxiques et pr\u00e9sentent une immunog\u00e9nicit\u00e9 minimale.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>D\u00e9gradation contr\u00f4l\u00e9e :<\/strong> l&rsquo;int\u00e9gration de s\u00e9quences peptidiques sensibles aux enzymes permet un remodelage \u00e0 m\u00e9diation cellulaire.<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\"><strong>Signalisation biochimique :<\/strong> les facteurs de croissance ou ligands immobilis\u00e9s fournissent des signaux contr\u00f4l\u00e9s dans l&rsquo;espace aux cellules encapsul\u00e9es.<\/span><\/li><\/ul><p><span style=\"font-weight: 400\">Cette modularit\u00e9 permet un contr\u00f4le pr\u00e9cis des interactions entre les cellules et la matrice.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28004d8 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"28004d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Applications des hydrogels \u00e0 base de PEGDA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06adff0 elementor-widget elementor-widget-heading\" data-id=\"06adff0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ing\u00e9nierie tissulaire<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba2f1b1 elementor-widget elementor-widget-text-editor\" data-id=\"ba2f1b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Les hydrogels PEGDA sont largement utilis\u00e9s comme matrices pour l&rsquo;ing\u00e9nierie tissulaire en raison de leurs propri\u00e9t\u00e9s m\u00e9caniques modulables et de leur bioactivit\u00e9 personnalisable. Ils ont \u00e9t\u00e9 con\u00e7us pour favoriser la formation de tissus cartilagineux, osseux, vasculaires, h\u00e9patiques et cardiaques, gr\u00e2ce \u00e0 l&rsquo;adaptation de leur rigidit\u00e9, de leur vitesse de d\u00e9gradation et de leur signalisation biochimique aux tissus cibles. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d01f123 elementor-widget elementor-widget-heading\" data-id=\"d01f123\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Culture cellulaire en 3D et mod\u00e8les de maladies<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-137d5ec elementor-widget elementor-widget-text-editor\" data-id=\"137d5ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">En culture cellulaire 3D, les hydrogels \u00e0 base de PEGDA offrent des microenvironnements contr\u00f4l\u00e9s permettant d&rsquo;\u00e9tudier le comportement des cellules, leur diff\u00e9renciation et la progression des maladies. Leur composition bien d\u00e9finie permet d&rsquo;\u00e9tudier de mani\u00e8re syst\u00e9matique comment la rigidit\u00e9 de la matrice, la densit\u00e9 des ligands et la d\u00e9gradabilit\u00e9 influencent des processus tels que l&rsquo;invasion tumorale, l&rsquo;angiogen\u00e8se et le devenir des cellules souches. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1cb3eb elementor-widget elementor-widget-heading\" data-id=\"c1cb3eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Administration de m\u00e9dicaments, de g\u00e8nes et de cellules<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff74672 elementor-widget elementor-widget-text-editor\" data-id=\"ff74672\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Les hydrogels PEGDA sont utilis\u00e9s comme supports de d\u00e9livrance pour les m\u00e9dicaments, les g\u00e8nes et les cellules. La taille de leurs mailles et leur profil de d\u00e9gradation peuvent \u00eatre ajust\u00e9s afin de r\u00e9guler la cin\u00e9tique de lib\u00e9ration, tandis que les formulations injectables et r\u00e9ticulables in situ permettent une administration peu invasive. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-892f73a elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"892f73a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pourquoi la visco\u00e9lasticit\u00e9 des hydrogels \u00e0 base de PEGDA est-elle importante ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05c6bea elementor-widget elementor-widget-text-editor\" data-id=\"05c6bea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Bien qu\u2019ils soient souvent d\u00e9crits comme des mat\u00e9riaux \u00e9lastiques, les hydrogels \u00e0 base de PEGDA pr\u00e9sentent un comportement visco\u00e9lastique qui influe sur leurs performances biologiques et fonctionnelles. La relaxation des contraintes en fonction du temps et la dissipation d\u2019\u00e9nergie affectent la mani\u00e8re dont les cellules per\u00e7oivent les signaux m\u00e9caniques, s\u2019\u00e9tendent, migrent et remod\u00e8lent leur environnement. En ing\u00e9nierie tissulaire et dans les mod\u00e8les de maladies, la visco\u00e9lasticit\u00e9 r\u00e9git la r\u00e9partition des charges, la stabilit\u00e9 m\u00e9canique \u00e0 long terme et l\u2019\u00e9volution des propri\u00e9t\u00e9s de la matrice au cours de la d\u00e9gradation ou du remodelage induit par les cellules. Le contr\u00f4le des propri\u00e9t\u00e9s visco\u00e9lastiques est donc essentiel pour reproduire des environnements m\u00e9caniques pertinents sur le plan physiologique.   <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-851f298 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"851f298\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">M\u00e9thodes de caract\u00e9risation de la visco\u00e9lasticit\u00e9 des hydrogels de PEGDA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-171be53 elementor-widget elementor-widget-text-editor\" data-id=\"171be53\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Les propri\u00e9t\u00e9s m\u00e9caniques des hydrogels PEGDA sont g\u00e9n\u00e9ralement caract\u00e9ris\u00e9es \u00e0 l\u2019aide de la rh\u00e9om\u00e9trie en volume, d\u2019essais de compression et d\u2019essais de traction. Ces techniques permettent de mesurer le module d\u2019\u00e9lasticit\u00e9, les modules de stockage et de perte, ainsi que le comportement \u00e0 la rupture une fois la photor\u00e9ticulation achev\u00e9e. Cependant, les m\u00e9thodes traditionnelles n\u00e9cessitent souvent un contact physique, une mise en charge destructive ou des mesures de point final, ce qui limite leur capacit\u00e9 \u00e0 suivre la cin\u00e9tique de photor\u00e9ticulation, la formation pr\u00e9coce du r\u00e9seau lors de l\u2019exposition \u00e0 la lumi\u00e8re ou l\u2019\u00e9volution m\u00e9canique \u00e0 long terme au sein d\u2019un m\u00eame \u00e9chantillon \u2014 en particulier dans des conditions st\u00e9riles ou en pr\u00e9sence de cellules.  <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1961b9f elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"1961b9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00c9tude de cas : Caract\u00e9risation m\u00e9canique d'un hydrogel \u00e0 base de PEGDA \u00e0 l'aide d'ElastoSens\u2122 Bio<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4babf25 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"4babf25\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">ElastoSens\u2122 Bio : un outil non destructif pour mesurer les hydrogels souples \u00e0 base de PEGDA<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5a225c3 e-grid e-con-full e-con e-child\" data-id=\"5a225c3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ce43e5b elementor-widget elementor-widget-text-editor\" data-id=\"ce43e5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L&rsquo; <a href=\"https:\/\/rheolution.com\/instrument-elastosensbio\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\"><strong>ElastoSens\u2122 Bio<\/strong><\/span><\/a> est un  <span style=\"font-weight: 400\">Plateforme d&rsquo;essais m\u00e9caniques non destructifs sp\u00e9cialement con\u00e7ue pour les mat\u00e9riaux souples et hydrat\u00e9s, tels que les hydrogels \u00e0 base de PEGDA. Elle fonctionne en induisant de l\u00e9g\u00e8res vibrations dans l&rsquo;\u00e9chantillon et en mesurant sa r\u00e9ponse visco\u00e9lastique sans contact physique ni d\u00e9formations importantes. Cette approche permet de surveiller en temps r\u00e9el la photor\u00e9ticulation, d\u2019identifier le point de transition liquide-gel lors de l\u2019exposition \u00e0 la lumi\u00e8re et de mesurer avec pr\u00e9cision la rigidit\u00e9 finale, tout en garantissant une sensibilit\u00e9 et une r\u00e9p\u00e9tabilit\u00e9 \u00e9lev\u00e9es. Comme un m\u00eame \u00e9chantillon peut \u00eatre test\u00e9 \u00e0 plusieurs reprises dans des conditions st\u00e9riles, l\u2019ElastoSens\u2122 Bio est particuli\u00e8rement adapt\u00e9 aux \u00e9tudes longitudinales des propri\u00e9t\u00e9s m\u00e9caniques des hydrogels PEGDA au cours de la photor\u00e9ticulation, de la culture et de la d\u00e9gradation.   <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-045aef9 elementor-widget elementor-widget-image\" data-id=\"045aef9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"968\" height=\"544\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?fit=968%2C544&amp;ssl=1\" class=\"attachment-large size-large wp-image-50364\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?w=968&amp;ssl=1 968w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?resize=133%2C75&amp;ssl=1 133w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?resize=480%2C270&amp;ssl=1 480w\" sizes=\"(max-width:767px) 700px, (max-width:968px) 100vw, 968px\" data-attachment-id=\"50364\" data-permalink=\"https:\/\/rheolution.com\/fr\/elastosens2-4-2-2-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?fit=968%2C544&amp;ssl=1\" data-orig-size=\"968,544\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"elastosens2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/elastosens2-1.webp?fit=968%2C544&amp;ssl=1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b87c673 elementor-widget elementor-widget-text-editor\" data-id=\"b87c673\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Afin de d\u00e9montrer les capacit\u00e9s de l\u2019ElastoSens\u2122 Bio, nous avons r\u00e9alis\u00e9 une s\u00e9rie de tests sur des hydrogels \u00e0 base de PEGDA. La section suivante pr\u00e9sente les mat\u00e9riaux et les m\u00e9thodes utilis\u00e9s, puis expose les r\u00e9sultats, offrant ainsi un exemple concret de la capacit\u00e9 de l\u2019instrument \u00e0 surveiller de mani\u00e8re non destructive les propri\u00e9t\u00e9s visco\u00e9lastiques et l\u2019\u00e9volution m\u00e9canique induite par la photor\u00e9ticulation au fil du temps. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed23fc9 elementor-widget elementor-widget-heading\" data-id=\"ed23fc9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Mat\u00e9riel et m\u00e9thodes<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d118051 elementor-widget elementor-widget-text-editor\" data-id=\"d118051\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Le PEGDA est un diacrylate \u00e0 base de PEG qui se photopolym\u00e9rise en pr\u00e9sence de ph\u00e9nyl-2,4,6-trim\u00e9thylbenzoylphosphinate de lithium (LAP). Sous l&rsquo;action d&rsquo;une lumi\u00e8re bleue de 405 nm, le LAP g\u00e9n\u00e8re des radicaux libres qui d\u00e9clenchent la r\u00e9ticulation des groupes acrylates du PEGDA. <\/span><\/p><p><span style=\"font-weight: 400\">La concentration en PEGDA a \u00e9t\u00e9 vari\u00e9e de 5 \u00e0 12 % (p\/p) (15 conditions). Une solution m\u00e8re de LAP \u00e0 3 % (p\/p) (Belwezda, Sigma-Aldrich) a \u00e9t\u00e9 dissoute dans de l\u2019eau distill\u00e9e pendant 30 minutes \u00e0 40 \u00b0C, puis dilu\u00e9e \u00e0 0,5 % (p\/p) de LAP. Du PEGDA liquide (Sigma-Aldrich) a \u00e9t\u00e9 ajout\u00e9 \u00e0 la solution de LAP et le m\u00e9lange a \u00e9t\u00e9 agit\u00e9 pendant 4 heures \u00e0 40 \u00b0C. Les formulations ont \u00e9t\u00e9 conserv\u00e9es \u00e0 4 \u00b0C, \u00e0 l&rsquo;abri de la lumi\u00e8re.   <\/span><\/p><p><span style=\"font-weight: 400\">Le module de stockage en cisaillement (G\u2032) a \u00e9t\u00e9 mesur\u00e9 \u00e0 l&rsquo;aide de l&rsquo;ElastoSens\u2122 Bio \u00e0 25 \u00b0C, avec une lumi\u00e8re de 405 nm \u00e0 une intensit\u00e9 de 8 mW\/cm\u00b2. Les mesures ont dur\u00e9 500 s (pas de temps de 3 s), comprenant 2 min sans lumi\u00e8re pour l&rsquo;\u00e9quilibrage thermique, suivies de 6 min d&rsquo;exposition \u00e0 la lumi\u00e8re. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa24bd0 elementor-widget elementor-widget-heading\" data-id=\"aa24bd0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">R\u00e9sultats et discussion<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-54513af elementor-widget elementor-widget-text-editor\" data-id=\"54513af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Le module de stockage en cisaillement final (G\u2032) des hydrogels de PEGDA augmentait avec la concentration en PEGDA, couvrant pr\u00e8s de deux ordres de grandeur sur la plage test\u00e9e (5 \u00e0 12 % p\/p) (figure 1). Des concentrations plus faibles en PEGDA (5 \u00e0 6,5 %) ont donn\u00e9 lieu \u00e0 des r\u00e9seaux plus souples (G\u2032 &lt; 6 kPa), tandis qu\u2019une augmentation de la teneur en PEGDA a entra\u00een\u00e9 une hausse de la rigidit\u00e9, atteignant environ 60 kPa \u00e0 12 %. Ce durcissement non lin\u00e9aire refl\u00e8te l\u2019augmentation de la densit\u00e9 de r\u00e9ticulation associ\u00e9e \u00e0 des concentrations plus \u00e9lev\u00e9es en PEGDA.  <\/span><\/p><p><span style=\"font-weight: 400\">De futures \u00e9tudes pourraient faire varier de mani\u00e8re syst\u00e9matique l&rsquo;intensit\u00e9 lumineuse, la dur\u00e9e d&rsquo;exposition et la temp\u00e9rature afin d&rsquo;affiner davantage la cin\u00e9tique de g\u00e9lification et les propri\u00e9t\u00e9s m\u00e9caniques finales, ce qui permettrait de contr\u00f4ler avec pr\u00e9cision la rigidit\u00e9 de l&rsquo;hydrogel de PEGDA en fonction des exigences sp\u00e9cifiques \u00e0 chaque application.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a7f0ab elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"4a7f0ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA_Plot.png?fit=1024%2C640&amp;ssl=1\" class=\"attachment-large size-large wp-image-63203\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA_Plot.png?w=1455&amp;ssl=1 1455w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA_Plot.png?resize=300%2C187&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA_Plot.png?resize=1024%2C640&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA_Plot.png?resize=768%2C480&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA_Plot.png?resize=120%2C75&amp;ssl=1 120w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA_Plot.png?resize=960%2C600&amp;ssl=1 960w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA_Plot.png?resize=700%2C437&amp;ssl=1 700w\" sizes=\"(max-width:767px) 700px, (max-width:1024px) 100vw, 1024px\" data-attachment-id=\"63203\" data-permalink=\"https:\/\/rheolution.com\/fr\/pegda_plot-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA_Plot.png?fit=1455%2C909&amp;ssl=1\" data-orig-size=\"1455,909\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"PEGDA_Plot\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA_Plot.png?fit=1024%2C640&amp;ssl=1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-069025e elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"069025e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><b>Figure 1.<\/b><span style=\"font-weight: 400\">  Module de stockage final en cisaillement, G\u2032, des hydrogels de PEGDA form\u00e9s par photopolym\u00e9risation initi\u00e9e par le LAP (405 nm, 8 mW\/cm\u00b2) et mesur\u00e9 \u00e0 25 \u00b0C.<\/span><\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ad5968 elementor-widget elementor-widget-heading\" data-id=\"8ad5968\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusions et perspectives<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b7d7a98 elementor-widget elementor-widget-text-editor\" data-id=\"b7d7a98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Le comportement m\u00e9canique des hydrogels \u00e0 base de PEGDA \u2014 d\u00e9termin\u00e9 par la r\u00e9ticulation du r\u00e9seau, la visco\u00e9lasticit\u00e9 et l\u2019\u00e9volution en fonction du temps \u2014 est essentiel \u00e0 leurs performances dans les domaines de l\u2019ing\u00e9nierie tissulaire, de la culture 3D et des syst\u00e8mes d\u2019administration. Les gels de PEGDA \u00e9tant souples, fortement hydrat\u00e9s et souvent form\u00e9s par photor\u00e9ticulation, leurs propri\u00e9t\u00e9s m\u00e9caniques doivent \u00eatre caract\u00e9ris\u00e9es avec une haute r\u00e9solution temporelle et un minimum de perturbation. <\/span><\/p><p><span style=\"font-weight: 400\">La caract\u00e9risation visco\u00e9lastique non destructive r\u00e9alis\u00e9e avec l&rsquo;ElastoSens\u2122 Bio permet :<\/span><\/p><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Des mesures hautement sensibles et reproductibles, adapt\u00e9es aux hydrogels souples \u00e0 base de PEGDA.<\/span><span style=\"font-weight: 400\"><br><\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Suivi en temps r\u00e9el de la cin\u00e9tique de g\u00e9lification et identification de la transition liquide-gel.<\/span><span style=\"font-weight: 400\"><br><\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Mesure directe de la rigidit\u00e9 finale apr\u00e8s photor\u00e9ticulation par photostimulation int\u00e9gr\u00e9e.<\/span><span style=\"font-weight: 400\"><br><\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Essais longitudinaux sur un m\u00eame \u00e9chantillon afin de suivre son \u00e9volution m\u00e9canique dans des conditions st\u00e9riles.<\/span><span style=\"font-weight: 400\"><br><\/span><\/li><\/ul><p><span style=\"font-weight: 400\">Ensemble, ces capacit\u00e9s permettent d&rsquo;am\u00e9liorer le contr\u00f4le, la reproductibilit\u00e9 et la transposition des syst\u00e8mes d&rsquo;hydrogel PEGDA dans le domaine de la recherche et des applications biom\u00e9dicales.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-794c36a elementor-widget elementor-widget-heading\" data-id=\"794c36a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">R\u00e9f\u00e9rences<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-27340c7 elementor-widget elementor-widget-text-editor\" data-id=\"27340c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Hakim Khalili, M., Zhang, R., Wilson, S., Goel, S., Impey, S. A., &amp; Aria, A. I. (2023). Additive manufacturing and physicomechanical characteristics of PEGDA hydrogels: recent advances and perspective for tissue engineering.<br \/>  <\/span>Polymers, 15(10), 2341.<\/p><p><span style=\"font-weight: 400\">Moore, E. M., &amp; West, J. L. (2019). Bioactive poly (ethylene glycol) acrylate hydrogels for regenerative engineering.  <\/span>Regenerative Engineering and Translational Medicine, 5(2), 167-179.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9383078 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor--h-position-center elementor--v-position-middle elementor-arrows-position-inside elementor-widget elementor-widget-slides\" data-id=\"9383078\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;arrows&quot;,&quot;autoplay_speed&quot;:4000,&quot;transition_speed&quot;:4000,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;transition&quot;:&quot;slide&quot;}\" data-widget_type=\"slides.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper\">\n\t\t\t\t\t<div class=\"elementor-slides-wrapper elementor-main-swiper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Slides\" dir=\"ltr\" data-animation=\"fadeInUp\">\n\t\t\t\t<div class=\"swiper-wrapper elementor-slides\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-repeater-item-c97f30c swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\" role=\"img\" aria-label=\"elastosens2\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8cce0c6 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"8cce0c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>D\u00e9couvrez comment notre technologie permet de mesurer de mani\u00e8re non destructive les propri\u00e9t\u00e9s visco\u00e9lastiques des biomat\u00e9riaux souples et des tissus \u00e0 l&rsquo;aide de microvolumes d&rsquo;\u00e9chantillons<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4ce1d0 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"c4ce1d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/rheolution.com\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contactez-nous pour plus d'informations<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efbb293 elementor-widget elementor-widget-heading\" data-id=\"efbb293\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Articles connexes<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f623a9 premium-blog-cta-full-yes premium-floating-effects-yes premium-disable-fe-yes elementor-widget__width-initial premium-blog-align-left elementor-widget elementor-widget-premium-addon-blog\" data-id=\"3f623a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;force_height&quot;:&quot;true&quot;,&quot;premium_blog_grid&quot;:&quot;yes&quot;,&quot;premium_blog_layout&quot;:&quot;even&quot;,&quot;premium_blog_columns_number&quot;:&quot;50%&quot;,&quot;premium_blog_columns_number_tablet&quot;:&quot;50%&quot;,&quot;premium_blog_columns_number_mobile&quot;:&quot;100%&quot;,&quot;scroll_to_offset&quot;:&quot;yes&quot;,&quot;premium_fe_trigger&quot;:&quot;load&quot;,&quot;premium_fe_direction&quot;:&quot;alternate&quot;,&quot;premium_fe_loop&quot;:&quot;default&quot;,&quot;premium_fe_easing&quot;:&quot;easeInOutSine&quot;}\" data-widget_type=\"premium-addon-blog.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t\n\n\t\t\t\t<div class=\"premium-blog-wrap  premium-blog-even\" data-page=\"65154\" data-pagination=\"true\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"3\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"7000\" height=\"2322\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?fit=7000%2C2322&amp;ssl=1\" class=\"attachment-full size-full wp-image-63128\" alt=\"\" data-attachment-id=\"63128\" data-permalink=\"https:\/\/rheolution.com\/fr\/alginate-2-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?fit=7000%2C2322&amp;ssl=1\" data-orig-size=\"7000,2322\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"ALGINATE\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?fit=1024%2C340&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?w=7000&amp;ssl=1 7000w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=300%2C100&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=1024%2C340&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=768%2C255&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=1536%2C510&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=2048%2C679&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=150%2C50&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?resize=700%2C232&amp;ssl=1 700w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ALGINATE-1.jpg?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:7000px) 100vw, 7000px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-dalginate\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Hydrogels d&rsquo;alginate<\/span>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-dalginate\/\" target=\"_blank\">\n\t\t\t\tHydrogels d&rsquo;alginate\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">Les hydrogels d'alginate sont des r\u00e9seaux polym\u00e8res tridimensionnels riches en eau, d\u00e9riv\u00e9s de l'alginate, un polysaccharide anionique d'origine naturelle. L'alginate est principalement extrait des parois cellulaires des algues brunes appartenant \u00e0 la classe des ph\u00e9ophyc\u00e9es, bien qu'il puisse \u00e9galement \u00eatre biosynth\u00e9tis\u00e9 par certaines esp\u00e8ces bact\u00e9riennes telles que les Azotobacter et les Pseudomonas. Sur le plan structurel, l\u2019alginate est un copolym\u00e8re lin\u00e9aire compos\u00e9 d\u2019acide \u03b2-D-mannuronique (unit\u00e9s M) et d\u2019acide \u03b1-L-guluronique (unit\u00e9s G), reli\u00e9s par des liaisons glycosidiques 1\u21924.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-dalginate\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Lire la suite \u00bb<\/a><\/div>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"3\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"7875\" height=\"2612\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?fit=7875%2C2612&amp;ssl=1\" class=\"attachment-full size-full wp-image-63420\" alt=\"\" data-attachment-id=\"63420\" data-permalink=\"https:\/\/rheolution.com\/fr\/gelatin-methacrylate-2-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?fit=7875%2C2612&amp;ssl=1\" data-orig-size=\"7875,2612\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Gelatin Methacrylate\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?fit=1024%2C340&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?w=7875&amp;ssl=1 7875w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=300%2C100&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=1024%2C340&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=768%2C255&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=1536%2C509&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=2048%2C679&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=150%2C50&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?resize=700%2C232&amp;ssl=1 700w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Gelatin-Methacrylate-1.jpg?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:7875px) 100vw, 7875px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/gelma-hydrogels\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Hydrogels GelMA<\/span>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/rheolution.com\/fr\/notes-application\/gelma-hydrogels\/\" target=\"_blank\">\n\t\t\t\tHydrogels GelMA\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">La g\u00e9latine m\u00e9thacryloyle (GelMA) est un hydrogel photor\u00e9ticulable d\u00e9riv\u00e9 de la g\u00e9latine, elle-m\u00eame obtenue par hydrolyse partielle du collag\u00e8ne, la principale prot\u00e9ine structurelle de la matrice extracellulaire (MEC). Le GelMA est synth\u00e9tis\u00e9 par r\u00e9action de la g\u00e9latine avec de l'anhydride m\u00e9thacrylique, ce qui permet d'introduire des groupes fonctionnels m\u00e9thacryloyle sur les r\u00e9sidus d'acides amin\u00e9s de la g\u00e9latine tout en pr\u00e9servant la plupart de ses motifs bioactifs natifs.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/gelma-hydrogels\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Lire la suite \u00bb<\/a><\/div>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"3\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"7875\" height=\"2612\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?fit=7875%2C2612&amp;ssl=1\" class=\"attachment-full size-full wp-image-63388\" alt=\"\" data-attachment-id=\"63388\" data-permalink=\"https:\/\/rheolution.com\/fr\/polydimethylsiloxane-pdms-2-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?fit=7875%2C2612&amp;ssl=1\" data-orig-size=\"7875,2612\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Polydimethylsiloxane (PDMS)\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?fit=1024%2C340&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?w=7875&amp;ssl=1 7875w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=300%2C100&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=1024%2C340&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=768%2C255&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=1536%2C509&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=2048%2C679&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=150%2C50&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?resize=700%2C232&amp;ssl=1 700w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Polydimethylsiloxane-PDMS-1.jpg?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:7875px) 100vw, 7875px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/polymeres-pdms\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Polym\u00e8res PDMS<\/span>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/rheolution.com\/fr\/notes-application\/polymeres-pdms\/\" target=\"_blank\">\n\t\t\t\tPolym\u00e8res PDMS\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">Le polydim\u00e9thylsiloxane (PDMS) est un polym\u00e8re polysiloxane synth\u00e9tique compos\u00e9 d\u2019un squelette siloxane inorganique souple (\u2013Si\u2013O\u2013Si\u2013) comportant des groupes lat\u00e9raux m\u00e9thyle. Cette architecture inorganique-organique unique conf\u00e8re au PDMS une mobilit\u00e9 de cha\u00eene exceptionnelle, une tr\u00e8s basse temp\u00e9rature de transition vitreuse et un comportement \u00e9lastom\u00e8re stable sur une large plage de temp\u00e9ratures. Le PDMS est produit exclusivement par synth\u00e8se industrielle, impliquant g\u00e9n\u00e9ralement l\u2019hydrolyse et la condensation de chlorosilanes, suivies d\u2019une polym\u00e9risation par ouverture de cycle de siloxanes cycliques.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/polymeres-pdms\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Lire la suite \u00bb<\/a><\/div>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"3\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"7000\" height=\"2322\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?fit=7000%2C2322&amp;ssl=1\" class=\"attachment-full size-full wp-image-63016\" alt=\"\" data-attachment-id=\"63016\" data-permalink=\"https:\/\/rheolution.com\/fr\/gelatin-5-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?fit=7000%2C2322&amp;ssl=1\" data-orig-size=\"7000,2322\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"GELATIN\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?fit=1024%2C340&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?w=7000&amp;ssl=1 7000w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=300%2C100&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=1024%2C340&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=768%2C255&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=1536%2C510&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=2048%2C679&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=150%2C50&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?resize=700%2C232&amp;ssl=1 700w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/GELATIN.jpg?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:7000px) 100vw, 7000px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-de-gelatine\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Hydrogels de g\u00e9latine<\/span>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-de-gelatine\/\" target=\"_blank\">\n\t\t\t\tHydrogels de g\u00e9latine\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">Les hydrogels de g\u00e9latine sont des r\u00e9seaux polym\u00e8res tridimensionnels gonfl\u00e9s d'eau, d\u00e9riv\u00e9s de la g\u00e9latine, un polypeptide naturel obtenu par hydrolyse partielle du collag\u00e8ne. Le collag\u00e8ne est l\u2019une des prot\u00e9ines structurelles les plus abondantes dans la matrice extracellulaire des tissus des mammif\u00e8res, et sa d\u00e9naturation donne naissance \u00e0 la g\u00e9latine, dont la structure mol\u00e9culaire lin\u00e9aire est riche en s\u00e9quences d\u2019acides amin\u00e9s de type Gly\u2013X\u2013Y, principalement compos\u00e9es de glycine, de proline et d\u2019hydroxyproline.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-de-gelatine\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Lire la suite \u00bb<\/a><\/div>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"premium-blog-footer\">\n\t\t\t\t\t\t\t<nav class=\"premium-blog-pagination-container\" role=\"navigation\" aria-label=\"Pagination\">\n\t\t\t\t<span aria-current=\"page\" class=\"page-numbers current\">1<\/span>\n<a class=\"page-numbers\" href=\"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/posts\/65154\/page\/2\/\">2<\/a>\n<a class=\"page-numbers\" href=\"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/posts\/65154\/page\/3\/\">3<\/a>\n<a class=\"next page-numbers\" href=\"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/posts\/65154\/page\/2\/\">Suivant \u00bb<\/a>\t\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les hydrogels de diacrylate de poly(\u00e9thyl\u00e8ne glycol) (PEGDA) sont des r\u00e9seaux polym\u00e8res synth\u00e9tiques gonfl\u00e9s \u00e0 l&rsquo;eau, form\u00e9s par la r\u00e9ticulation chimique de cha\u00eenes de PEG fonctionnalis\u00e9es par des groupes terminaux acrylates. Le PEG est un polym\u00e8re hydrophile et non ionique obtenu par polym\u00e9risation industrielle de l\u2019oxyde d\u2019\u00e9thyl\u00e8ne ; il est largement utilis\u00e9 dans les applications biom\u00e9dicales en raison de sa stabilit\u00e9 chimique et de sa faible toxicit\u00e9. Le PEGDA est synth\u00e9tis\u00e9 par r\u00e9action du PEG avec des r\u00e9actifs contenant de l\u2019acrylate, ce qui introduit des doubles liaisons carbone-carbone r\u00e9actives aux deux extr\u00e9mit\u00e9s de la cha\u00eene.    <\/p>\n","protected":false},"author":195401359,"featured_media":63032,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[285,333],"tags":[89,124,88,261],"class_list":["post-65154","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-notes-application","category-polymer-library","tag-elastosens-bio","tag-life-sciences","tag-mechanical-testing","tag-polymer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hydrogels PEGDA : Propri\u00e9t\u00e9s, Applications et M\u00e9canique<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez les hydrogels PEGDA, de leur structure et leur g\u00e9lification \u00e0 leur comportement m\u00e9canique, leur visco\u00e9lasticit\u00e9 et leurs applications dans l&#039;ing\u00e9nierie tissulaire et l&#039;administration de m\u00e9dicaments.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hydrogels PEGDA : Propri\u00e9t\u00e9s, Applications et M\u00e9canique\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez les hydrogels PEGDA, de leur structure et leur g\u00e9lification \u00e0 leur comportement m\u00e9canique, leur visco\u00e9lasticit\u00e9 et leurs applications dans l&#039;ing\u00e9nierie tissulaire et l&#039;administration de m\u00e9dicaments.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/\" \/>\n<meta property=\"og:site_name\" content=\"Rheolution\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-22T16:24:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-13T16:46:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA.jpg?fit=7000%2C2322&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"7000\" \/>\n\t<meta property=\"og:image:height\" content=\"2322\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Ana Paula Knorst\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ana Paula Knorst\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/\"},\"author\":{\"name\":\"Ana Paula Knorst\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#\\\/schema\\\/person\\\/0b0ff48d3b1e01ba6ba6b90def2868ce\"},\"headline\":\"Hydrogels PEGDA\",\"datePublished\":\"2026-01-22T16:24:04+00:00\",\"dateModified\":\"2026-08-13T16:46:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/\"},\"wordCount\":2505,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/rheolution.com\\\/wp-content\\\/uploads\\\/PEGDA.jpg?fit=7000%2C2322&ssl=1\",\"keywords\":[\"ElastoSens Bio\",\"Life Sciences\",\"Mechanical testing\",\"Polymer\"],\"articleSection\":[\"App-Notes\",\"Polymer Library\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/\",\"url\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/\",\"name\":\"Hydrogels PEGDA : Propri\u00e9t\u00e9s, Applications et M\u00e9canique\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/rheolution.com\\\/wp-content\\\/uploads\\\/PEGDA.jpg?fit=7000%2C2322&ssl=1\",\"datePublished\":\"2026-01-22T16:24:04+00:00\",\"dateModified\":\"2026-08-13T16:46:02+00:00\",\"description\":\"D\u00e9couvrez les hydrogels PEGDA, de leur structure et leur g\u00e9lification \u00e0 leur comportement m\u00e9canique, leur visco\u00e9lasticit\u00e9 et leurs applications dans l'ing\u00e9nierie tissulaire et l'administration de m\u00e9dicaments.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/#primaryimage\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/rheolution.com\\\/wp-content\\\/uploads\\\/PEGDA.jpg?fit=7000%2C2322&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/rheolution.com\\\/wp-content\\\/uploads\\\/PEGDA.jpg?fit=7000%2C2322&ssl=1\",\"width\":7000,\"height\":2322},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/notes-application\\\/hydrogels-pegda\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/page-daccueil\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hydrogels PEGDA\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/\",\"name\":\"Rheolution\",\"description\":\"Soft Matter Analytics for Life Sciences and Agri-Food.\",\"publisher\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#organization\",\"name\":\"Rheolution\",\"url\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/rheolution.com\\\/wp-content\\\/uploads\\\/2020\\\/12\\\/RHEOLUTION_smarter_logo_RGB_cropped.png\",\"contentUrl\":\"https:\\\/\\\/rheolution.com\\\/wp-content\\\/uploads\\\/2020\\\/12\\\/RHEOLUTION_smarter_logo_RGB_cropped.png\",\"width\":2850,\"height\":637,\"caption\":\"Rheolution\"},\"image\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/company\\\/rheolution\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#\\\/schema\\\/person\\\/0b0ff48d3b1e01ba6ba6b90def2868ce\",\"name\":\"Ana Paula Knorst\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/281774e3d2b924704828e4303c303ea882aea52911c944bb7ee382b407bcefaf?s=96&d=identicon&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/281774e3d2b924704828e4303c303ea882aea52911c944bb7ee382b407bcefaf?s=96&d=identicon&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/281774e3d2b924704828e4303c303ea882aea52911c944bb7ee382b407bcefaf?s=96&d=identicon&r=g\",\"caption\":\"Ana Paula Knorst\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Hydrogels PEGDA : Propri\u00e9t\u00e9s, Applications et M\u00e9canique","description":"D\u00e9couvrez les hydrogels PEGDA, de leur structure et leur g\u00e9lification \u00e0 leur comportement m\u00e9canique, leur visco\u00e9lasticit\u00e9 et leurs applications dans l'ing\u00e9nierie tissulaire et l'administration de m\u00e9dicaments.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/","og_locale":"fr_FR","og_type":"article","og_title":"Hydrogels PEGDA : Propri\u00e9t\u00e9s, Applications et M\u00e9canique","og_description":"D\u00e9couvrez les hydrogels PEGDA, de leur structure et leur g\u00e9lification \u00e0 leur comportement m\u00e9canique, leur visco\u00e9lasticit\u00e9 et leurs applications dans l'ing\u00e9nierie tissulaire et l'administration de m\u00e9dicaments.","og_url":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/","og_site_name":"Rheolution","article_published_time":"2026-01-22T16:24:04+00:00","article_modified_time":"2026-08-13T16:46:02+00:00","og_image":[{"width":7000,"height":2322,"url":"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA.jpg?fit=7000%2C2322&ssl=1","type":"image\/jpeg"}],"author":"Ana Paula Knorst","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Ana Paula Knorst","Dur\u00e9e de lecture estim\u00e9e":"12 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/#article","isPartOf":{"@id":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/"},"author":{"name":"Ana Paula Knorst","@id":"https:\/\/rheolution.com\/fr\/#\/schema\/person\/0b0ff48d3b1e01ba6ba6b90def2868ce"},"headline":"Hydrogels PEGDA","datePublished":"2026-01-22T16:24:04+00:00","dateModified":"2026-08-13T16:46:02+00:00","mainEntityOfPage":{"@id":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/"},"wordCount":2505,"commentCount":0,"publisher":{"@id":"https:\/\/rheolution.com\/fr\/#organization"},"image":{"@id":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA.jpg?fit=7000%2C2322&ssl=1","keywords":["ElastoSens Bio","Life Sciences","Mechanical testing","Polymer"],"articleSection":["App-Notes","Polymer Library"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/","url":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/","name":"Hydrogels PEGDA : Propri\u00e9t\u00e9s, Applications et M\u00e9canique","isPartOf":{"@id":"https:\/\/rheolution.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/#primaryimage"},"image":{"@id":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA.jpg?fit=7000%2C2322&ssl=1","datePublished":"2026-01-22T16:24:04+00:00","dateModified":"2026-08-13T16:46:02+00:00","description":"D\u00e9couvrez les hydrogels PEGDA, de leur structure et leur g\u00e9lification \u00e0 leur comportement m\u00e9canique, leur visco\u00e9lasticit\u00e9 et leurs applications dans l'ing\u00e9nierie tissulaire et l'administration de m\u00e9dicaments.","breadcrumb":{"@id":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/#primaryimage","url":"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA.jpg?fit=7000%2C2322&ssl=1","contentUrl":"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA.jpg?fit=7000%2C2322&ssl=1","width":7000,"height":2322},{"@type":"BreadcrumbList","@id":"https:\/\/rheolution.com\/fr\/notes-application\/hydrogels-pegda\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/rheolution.com\/fr\/page-daccueil\/"},{"@type":"ListItem","position":2,"name":"Hydrogels PEGDA"}]},{"@type":"WebSite","@id":"https:\/\/rheolution.com\/fr\/#website","url":"https:\/\/rheolution.com\/fr\/","name":"Rheolution","description":"Soft Matter Analytics for Life Sciences and Agri-Food.","publisher":{"@id":"https:\/\/rheolution.com\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/rheolution.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/rheolution.com\/fr\/#organization","name":"Rheolution","url":"https:\/\/rheolution.com\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/rheolution.com\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/rheolution.com\/wp-content\/uploads\/2020\/12\/RHEOLUTION_smarter_logo_RGB_cropped.png","contentUrl":"https:\/\/rheolution.com\/wp-content\/uploads\/2020\/12\/RHEOLUTION_smarter_logo_RGB_cropped.png","width":2850,"height":637,"caption":"Rheolution"},"image":{"@id":"https:\/\/rheolution.com\/fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.linkedin.com\/company\/rheolution\/"]},{"@type":"Person","@id":"https:\/\/rheolution.com\/fr\/#\/schema\/person\/0b0ff48d3b1e01ba6ba6b90def2868ce","name":"Ana Paula Knorst","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/281774e3d2b924704828e4303c303ea882aea52911c944bb7ee382b407bcefaf?s=96&d=identicon&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/281774e3d2b924704828e4303c303ea882aea52911c944bb7ee382b407bcefaf?s=96&d=identicon&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/281774e3d2b924704828e4303c303ea882aea52911c944bb7ee382b407bcefaf?s=96&d=identicon&r=g","caption":"Ana Paula Knorst"}}]}},"jetpack_shortlink":"https:\/\/wp.me\/pcuyPq-gWS","jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/PEGDA.jpg?fit=7000%2C2322&ssl=1","_links":{"self":[{"href":"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/posts\/65154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/users\/195401359"}],"replies":[{"embeddable":true,"href":"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/comments?post=65154"}],"version-history":[{"count":6,"href":"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/posts\/65154\/revisions"}],"predecessor-version":[{"id":66722,"href":"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/posts\/65154\/revisions\/66722"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/media\/63032"}],"wp:attachment":[{"href":"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/media?parent=65154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/categories?post=65154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rheolution.com\/fr\/wp-json\/wp\/v2\/tags?post=65154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}