{"id":65442,"date":"2025-09-17T16:52:58","date_gmt":"2025-09-17T20:52:58","guid":{"rendered":"https:\/\/rheolution.com\/?p=65442"},"modified":"2026-08-14T10:56:51","modified_gmt":"2026-08-14T14:56:51","slug":"formulation-et-essais-des-hydrogels-a-base-de-chitosane","status":"publish","type":"post","link":"https:\/\/rheolution.com\/fr\/articles-rheolution\/formulation-et-essais-des-hydrogels-a-base-de-chitosane\/","title":{"rendered":"Formulation et essais des hydrogels \u00e0 base de chitosane"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"65442\" class=\"elementor elementor-65442 elementor-61984\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-796811e elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"796811e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-decf82e\" data-id=\"decf82e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6a89ed4 elementor-widget elementor-widget-text-editor\" data-id=\"6a89ed4\" 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>Article de Rheolution<\/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-7854b91 elementor-widget elementor-widget-heading\" data-id=\"7854b91\" 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\">Formulation et essais des hydrogels \u00e0 base de chitosane<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14c721e elementor-widget elementor-widget-text-editor\" data-id=\"14c721e\" 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;\">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><\/span><\/p><p><span style=\"font-weight: 400;\">Scientifiques d\u2019application<\/span><\/p><p>en collaboration avec<\/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-ffb5c0d elementor-widget-mobile__width-initial elementor-widget elementor-widget-image\" data-id=\"ffb5c0d\" 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=\"1024\" height=\"731\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ChitoLytic-logo.png?fit=1024%2C731&amp;ssl=1\" class=\"attachment-large size-large wp-image-61927\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ChitoLytic-logo.png?w=1500&amp;ssl=1 1500w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ChitoLytic-logo.png?resize=300%2C214&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ChitoLytic-logo.png?resize=1024%2C731&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ChitoLytic-logo.png?resize=768%2C548&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ChitoLytic-logo.png?resize=105%2C75&amp;ssl=1 105w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ChitoLytic-logo.png?resize=700%2C500&amp;ssl=1 700w\" sizes=\"(max-width:767px) 700px, (max-width:1024px) 100vw, 1024px\" data-attachment-id=\"61927\" data-permalink=\"https:\/\/rheolution.com\/fr\/chitolytic-logo-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ChitoLytic-logo.png?fit=1500%2C1071&amp;ssl=1\" data-orig-size=\"1500,1071\" 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=\"ChitoLytic logo\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/ChitoLytic-logo.png?fit=1024%2C731&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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-270de21 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"270de21\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-371e19a\" data-id=\"371e19a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4e4b5a1 elementor-widget elementor-widget-heading\" data-id=\"4e4b5a1\" 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 que le chitosane ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdf76cb elementor-widget elementor-widget-text-editor\" data-id=\"fdf76cb\" 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 chitosane est un polym\u00e8re naturel et biod\u00e9gradable d\u00e9riv\u00e9 de la chitine, le mat\u00e9riau structurel pr\u00e9sent dans les carapaces des crustac\u00e9s tels que les crevettes et les crabes. Gr\u00e2ce \u00e0 un processus appel\u00e9 d\u00e9sac\u00e9tylation, la chitine est transform\u00e9e en chitosane qui, sous sa forme classique, se dissout dans des solutions l\u00e9g\u00e8rement acides et peut former des hydrogels dans des conditions appropri\u00e9es. En raison de sa biocompatibilit\u00e9, de ses propri\u00e9t\u00e9s modulables et de ses exigences de traitement peu contraignantes, le chitosane est largement utilis\u00e9 dans l\u2019administration de m\u00e9dicaments, la cicatrisation des plaies et l\u2019ing\u00e9nierie tissulaire.  <\/span><\/p><p><span style=\"font-weight: 400;\">Des sources commerciales, telles que <\/span><a href=\"https:\/\/chitolytic.com\/\"><b>ChitoLytic<\/b><\/a><span style=\"font-weight: 400;\">, proposent du chitosane dans diff\u00e9rentes qualit\u00e9s et sp\u00e9cifications ; ChitoLytic est sp\u00e9cialis\u00e9e dans la production de chitosane de haute qualit\u00e9 \u00e0 partir de carapaces de crustac\u00e9s issus de sources durables, destin\u00e9 \u00e0 la recherche et aux applications industrielles.<\/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-709390e elementor-widget elementor-widget-heading\" data-id=\"709390e\" 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\">Quels sont les diff\u00e9rents types de chitosane ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6875b09 elementor-widget elementor-widget-text-editor\" data-id=\"6875b09\" 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 chitosane est disponible en diff\u00e9rentes qualit\u00e9s, en fonction de deux param\u00e8tres principaux :<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Poids mol\u00e9culaire (PM) :<\/span><span style=\"font-weight: 400;\"><br><\/span><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><i><span style=\"font-weight: 400;\">Chitosane \u00e0 faible poids mol\u00e9culaire<\/span><\/i><span style=\"font-weight: 400;\"> (&lt;100\u202fkDa) : g\u00e9n\u00e9ralement plus soluble, de viscosit\u00e9 plus faible et bien adapt\u00e9 aux formulations injectables ou au m\u00e9lange avec d\u2019autres polym\u00e8res.<\/span><span style=\"font-weight: 400;\"><br><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"2\"><i><span style=\"font-weight: 400;\">Chitosane de poids mol\u00e9culaire moyen<\/span><\/i><span style=\"font-weight: 400;\"> (~200\u2013400\u202fkDa) : un \u00e9quilibre entre r\u00e9sistance m\u00e9canique et aptitude \u00e0 la transformation.<\/span><span style=\"font-weight: 400;\"><br><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"2\"><i><span style=\"font-weight: 400;\">Chitosane \u00e0 haut poids mol\u00e9culaire<\/span><\/i><span style=\"font-weight: 400;\"> (&gt;400\u202fkDa) : permet d\u2019obtenir des gels et des films plus r\u00e9sistants, mais peut s\u2019av\u00e9rer plus difficile \u00e0 dissoudre.<\/span><span style=\"font-weight: 400;\"><br><br><\/span><\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Degr\u00e9 de d\u00e9sac\u00e9tylation (DDA) :<\/span><span style=\"font-weight: 400;\"><br><\/span><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ce pourcentage varie entre 70 et 95 %, ce qui indique le nombre de groupes ac\u00e9tyle qui ont \u00e9t\u00e9 \u00e9limin\u00e9s de la chitine.<\/span><span style=\"font-weight: 400;\"><br><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Une DDA plus \u00e9lev\u00e9e correspond g\u00e9n\u00e9ralement \u00e0 un plus grand nombre de groupes amino libres, ce qui peut renforcer la charge positive \u00e0 la surface, la mucoadh\u00e9sion et l&rsquo;efficacit\u00e9 de g\u00e9lification.<\/span><\/li><\/ul><\/li><\/ul><p><span style=\"font-weight: 400;\">Le choix du type de chitosane d\u00e9pend de l&rsquo;application et des propri\u00e9t\u00e9s m\u00e9caniques ou biologiques recherch\u00e9es.<\/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-5b9b249 elementor-widget elementor-widget-heading\" data-id=\"5b9b249\" 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\">Quelles sont les m\u00e9thodes couramment utilis\u00e9es pour fabriquer des gels de chitosane ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-597d5a9 elementor-widget elementor-widget-text-editor\" data-id=\"597d5a9\" 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 gels de chitosane peuvent \u00eatre obtenus \u00e0 l&rsquo;aide de plusieurs techniques douces et modulables :<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00e9lification induite par le pH : l&rsquo;augmentation du pH (par exemple, au moyen d&rsquo;un bain de NaOH) entra\u00eene la formation d&rsquo;un gel par neutralisation des charges positives du chitosane.<\/span><span style=\"font-weight: 400;\"><br><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">R\u00e9ticulation ionique : utilisation d&rsquo;anions multivalents, tels que le tripolyphosphate de sodium (TPP), pour former des liaisons ioniques entre les cha\u00eenes de chitosane.<\/span><span style=\"font-weight: 400;\"><br><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00e9lification thermique : l&rsquo;association du chitosane \u00e0 des agents thermosensibles tels que le \u03b2-glyc\u00e9rophosphate permet une g\u00e9lification \u00e0 la temp\u00e9rature du corps.<\/span><span style=\"font-weight: 400;\"><br><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">R\u00e9ticulation chimique : les ald\u00e9hydes ou la g\u00e9nipine sont parfois utilis\u00e9s pour obtenir des r\u00e9seaux de gel plus r\u00e9sistants et plus durables, notamment dans le domaine de l&rsquo;ing\u00e9nierie tissulaire.<\/span><\/li><\/ul>\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-701e943 elementor-widget elementor-widget-heading\" data-id=\"701e943\" 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\">Comment les param\u00e8tres de formulation influencent-ils les propri\u00e9t\u00e9s m\u00e9caniques du gel de chitosane ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e70273 elementor-widget elementor-widget-text-editor\" data-id=\"8e70273\" 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 modifications apport\u00e9es \u00e0 la formulation influencent consid\u00e9rablement le comportement visco\u00e9lastique des hydrogels de chitosane. Par exemple, le chitosane de faible poids mol\u00e9culaire a tendance \u00e0 former des gels plus souples et se d\u00e9gradant plus rapidement, tandis que le chitosane de poids mol\u00e9culaire \u00e9lev\u00e9 cr\u00e9e des r\u00e9seaux plus rigides pr\u00e9sentant des profils de d\u00e9gradation plus lents. De m\u00eame, le m\u00e9canisme de r\u00e9ticulation (par exemple, g\u00e9lification alcaline ou g\u00e9lification induite par la chaleur) affecte la cin\u00e9tique de g\u00e9lification, la rigidit\u00e9, la porosit\u00e9 et la morphologie finale. Ces diff\u00e9rences ont un impact direct sur les performances cliniques, en influen\u00e7ant des facteurs tels que les profils de lib\u00e9ration du m\u00e9dicament, la migration cellulaire et l\u2019injectabilit\u00e9. Cependant, les formes de gels souples et irr\u00e9guli\u00e8res \u2014 telles que les billes ou les films de chitosane \u2014 sont difficiles \u00e0 \u00e9valuer \u00e0 l\u2019aide d\u2019outils m\u00e9caniques conventionnels.    <\/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-9bafe7e elementor-widget elementor-widget-heading\" data-id=\"9bafe7e\" 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\">Quelles sont les limites des testeurs m\u00e9caniques traditionnels ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a9c80c elementor-widget elementor-widget-text-editor\" data-id=\"4a9c80c\" 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;\">La caract\u00e9risation des hydrogels souples tels que le chitosane n\u00e9cessite des m\u00e9thodes d\u2019essai permettant de saisir leur comportement dans des conditions pertinentes par rapport \u00e0 leur utilisation pr\u00e9vue. Les instruments traditionnels \u2014 tels que les rh\u00e9om\u00e8tres, les machines d\u2019essai de traction ou la microscopie \u00e0 force atomique (AFM) \u2014 peuvent poser des difficult\u00e9s de manipulation pour les gels d\u00e9licats, notamment en raison de d\u00e9formations lors de la mise en charge, de glissements dans les m\u00e2choires de serrage et d\u2019effets de glissement sur les parois. De plus, la surveillance en continu dans des conditions physiologiquement pertinentes est souvent limit\u00e9e, ce qui rend plus difficile le suivi des changements m\u00e9caniques, tels que ceux survenant au cours de la d\u00e9gradation. Ces facteurs peuvent compliquer la d\u00e9tection de diff\u00e9rences subtiles entre les formulations lorsqu\u2019elles sont test\u00e9es dans des configurations conventionnelles.   <\/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-a09e9f9 elementor-widget elementor-widget-heading\" data-id=\"a09e9f9\" 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\">Optimisation du chitosane : comment ElastoSens\u2122 Bio am\u00e9liore les essais m\u00e9caniques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b95e1a0 elementor-widget elementor-widget-text-editor\" data-id=\"b95e1a0\" 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 du chitosane sont tr\u00e8s sensibles aux variables de traitement telles que le pH, le poids mol\u00e9culaire et la force ionique. Pour comparer avec pr\u00e9cision diff\u00e9rentes formulations \u2014 par exemple, du chitosane g\u00e9lifi\u00e9 \u00e0 pH 10 par rapport \u00e0 pH 12, ou \u00e0 poids mol\u00e9culaire moyen par rapport \u00e0 un poids mol\u00e9culaire \u00e9lev\u00e9 \u2014, il faut disposer d\u2019un syst\u00e8me capable de d\u00e9tecter les diff\u00e9rences subtiles de G\u2032 sans endommager l\u2019\u00e9chantillon. ElastoSens\u2122 Bio offre une solution sans contact et facile \u00e0 utiliser qui pr\u00e9serve l\u2019int\u00e9grit\u00e9 de l\u2019\u00e9chantillon tout en permettant une mesure pr\u00e9cise et en temps r\u00e9el de la g\u00e9lification et de la d\u00e9gradation. Sa compatibilit\u00e9 avec des conditions physiologiquement pertinentes \u2014 notamment la g\u00e9lification d\u00e9clench\u00e9e par le pH, les ions et la temp\u00e9rature \u2014 en fait l\u2019outil id\u00e9al pour le d\u00e9veloppement d\u2019hydrogels de chitosane injectables, de rev\u00eatements mucoadh\u00e9sifs ou de matrices tissulaires. Le syst\u00e8me permet de r\u00e9aliser des essais reproductibles et d\u2019optimiser efficacement les formulations dans des conditions qui reproduisent fid\u00e8lement l\u2019environnement biologique.    <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-10b670b e-grid e-con-boxed e-con e-parent\" data-id=\"10b670b\" 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-ce72145 elementor-widget elementor-widget-image\" data-id=\"ce72145\" 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=\"1021\" height=\"796\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/G-and-TanD-Rheolution-Article.png?fit=1021%2C796&amp;ssl=1\" class=\"attachment-large size-large wp-image-62006\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/G-and-TanD-Rheolution-Article.png?w=1021&amp;ssl=1 1021w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/G-and-TanD-Rheolution-Article.png?resize=300%2C234&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/G-and-TanD-Rheolution-Article.png?resize=768%2C599&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/G-and-TanD-Rheolution-Article.png?resize=96%2C75&amp;ssl=1 96w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/G-and-TanD-Rheolution-Article.png?resize=700%2C546&amp;ssl=1 700w\" sizes=\"(max-width:767px) 700px, (max-width:1021px) 100vw, 1021px\" data-attachment-id=\"62006\" data-permalink=\"https:\/\/rheolution.com\/fr\/g-and-tand-rheolution-article-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/G-and-TanD-Rheolution-Article.png?fit=1021%2C796&amp;ssl=1\" data-orig-size=\"1021,796\" 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=\"G&amp;rsquo; and TanD &amp;#8211; Rheolution Article\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/G-and-TanD-Rheolution-Article.png?fit=1021%2C796&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-81ac72c elementor-widget elementor-widget-image\" data-id=\"81ac72c\" 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=\"774\" height=\"774\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Bulk-Chitosan.jpg?fit=774%2C774&amp;ssl=1\" class=\"attachment-large size-large wp-image-61998\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Bulk-Chitosan.jpg?w=774&amp;ssl=1 774w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Bulk-Chitosan.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Bulk-Chitosan.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Bulk-Chitosan.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Bulk-Chitosan.jpg?resize=75%2C75&amp;ssl=1 75w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Bulk-Chitosan.jpg?resize=700%2C700&amp;ssl=1 700w\" sizes=\"(max-width:767px) 700px, (max-width:774px) 100vw, 774px\" data-attachment-id=\"61998\" data-permalink=\"https:\/\/rheolution.com\/fr\/bulk-chitosan-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Bulk-Chitosan.jpg?fit=774%2C774&amp;ssl=1\" data-orig-size=\"774,774\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.5&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 13 Pro Max&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;5.7&quot;,&quot;iso&quot;:&quot;40&quot;,&quot;shutter_speed&quot;:&quot;0.004950495049505&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Bulk Chitosan\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Bulk-Chitosan.jpg?fit=774%2C774&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\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e2a88c elementor-widget elementor-widget-text-editor\" data-id=\"3e2a88c\" 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 style=\"text-align: center;\"><b>Figure 1.<\/b><span style=\"font-weight: 400;\"> <i>Caract\u00e9risation visco\u00e9lastique d&rsquo;un gel de chitosane \u00e0 poids mol\u00e9culaire moyen \u00e0 2 % (p\/v).<\/i>  \u00c0 gauche : module de stockage en cisaillement (G\u2032, orange) et tangente de perte en cisaillement (tan\u202f\u03b4, bleu) mesur\u00e9s \u00e0 l\u2019aide d\u2019ElastoSens\u2122 Bio. Les donn\u00e9es sont pr\u00e9sent\u00e9es sous forme de moyenne \u00b1 \u00e9cart-type (n\u202f=\u202f3). \u00c0 droite : Image repr\u00e9sentative du gel form\u00e9 \u00e0 l\u2019int\u00e9rieur du porte-\u00e9chantillon. Des valeurs \u00e9lev\u00e9es de G\u2032 et faibles de tan\u202f\u03b4 indiquent un r\u00e9seau d\u2019hydrogel principalement \u00e9lastique et stable.   <\/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-dc4a59e elementor-widget elementor-widget-image\" data-id=\"dc4a59e\" 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 loading=\"lazy\" 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-46876\" 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=\"46876\" data-permalink=\"https:\/\/rheolution.com\/fr\/elastosens2-4-2-3\/\" 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 class=\"elementor-element elementor-element-e0c3e3f elementor-widget elementor-widget-text-editor\" data-id=\"e0c3e3f\" 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;\">Pour d\u00e9couvrir comment ElastoSens\u2122 Bio facilite les essais m\u00e9caniques sur diverses formulations d&rsquo;hydrogels et dans divers domaines d&rsquo;application, veuillez consulter notre pr\u00e9sentation g\u00e9n\u00e9rale :<\/span><a href=\"https:\/\/rheolution.com\/applications\/life-sciences\/viscoelasticity-of-biomaterials\/formulation-of-hydrogels\/\"> <b>Formulation des hydrogels<\/b><\/a><span style=\"font-weight: 400;\">.<\/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-f94c083 elementor-widget elementor-widget-heading\" data-id=\"f94c083\" 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\">Exemples d'applications du chitosane prises en charge par l'ElastoSens\u2122 Bio<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff99b78 elementor-widget elementor-widget-text-editor\" data-id=\"ff99b78\" 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<ul><li style=\"list-style-type: none;\"><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Suivi du ramollissement des gels injectables \u00e0 base de chitosane charg\u00e9s d&rsquo;enzymes<\/strong><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">En m\u00e9decine r\u00e9g\u00e9n\u00e9rative, on utilise des gels de chitosane charg\u00e9s d&rsquo;enzymes telles que le lysozyme ou la collag\u00e9nase pour remodeler les tissus. ElastoSens\u2122 Bio <\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">permet aux chercheurs de suivre le ramollissement progressif d&rsquo;un m\u00eame \u00e9chantillon de gel au fil des jours, simulant ainsi la d\u00e9gradation in vivo.<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Comparaison de la r\u00e9sistance mucoadh\u00e9sive selon les sources d&rsquo;acide<\/strong><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Le chitosane est g\u00e9n\u00e9ralement dissous dans de l&rsquo;acide ac\u00e9tique, lactique ou citrique, chacun de ces acides influen\u00e7ant le comportement final du gel. ElastoSens\u2122 Bio permet une comparaison \u00e0 haut d\u00e9bit des gels form\u00e9s \u00e0 partir de diff\u00e9rents types d&rsquo;acides, en mesurant les param\u00e8tres G\u2032 et tan\u202f\u03b4 afin d&rsquo;\u00e9tablir une corr\u00e9lation avec les r\u00e9sultats attendus   <\/span><i><span style=\"font-weight: 400;\">adh\u00e9sivit\u00e9<\/span><\/i><span style=\"font-weight: 400;\"> dans les syst\u00e8mes d\u2019administration nasaux ou buccaux, o\u00f9 de l\u00e9g\u00e8res modifications de la formulation peuvent alt\u00e9rer les performances. <\/span> <\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Validation de gels vaginaux \u00e0 base de chitosane pour la pr\u00e9vention des IST d\u00e9clench\u00e9e par le pH<\/strong><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Certains gels vaginaux \u00e0 base de chitosane sont con\u00e7us pour rester liquides \u00e0 pH neutre et se g\u00e9lifier rapidement dans l&rsquo;environnement acide du vagin, formant ainsi une barri\u00e8re protectrice contre les agents pathog\u00e8nes. ElastoSens\u2122 Bio permet de surveiller   <\/span><i><span style=\"font-weight: 400;\">cin\u00e9tique de g\u00e9lification in situ<\/span><\/i><span style=\"font-weight: 400;\"> et <\/span><i><span style=\"font-weight: 400;\">la rigidit\u00e9 finale<\/span><\/i><span style=\"font-weight: 400;\"> dans des conditions de pH et de temp\u00e9rature contr\u00f4l\u00e9es, ce qui permet d\u2019\u00e9valuer en temps r\u00e9el les transitions d\u00e9terminantes pour les performances sans alt\u00e9rer l\u2019\u00e9chantillon.<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><strong>\u00c9valuation d&rsquo;implants oculaires \u00e0 base de chitosane qui se ramollissent apr\u00e8s leur mise en place<\/strong><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Certains implants ophtalmiques \u00e0 base de chitosane sont con\u00e7us pour <\/span><i><span style=\"font-weight: 400;\">se ramollir progressivement<\/span><\/i><span style=\"font-weight: 400;\">  apr\u00e8s contact avec les larmes, pour un confort optimal et une lib\u00e9ration contr\u00f4l\u00e9e du principe actif. Les essais \u00ab time-resolved \u00bb d\u2019ElastoSens\u2122 Bio, adapt\u00e9s aux milieux hydrat\u00e9s, permettent de simuler cette transition, aidant ainsi les chercheurs \u00e0 ajuster la formulation afin d\u2019atteindre la souplesse souhait\u00e9e au bout d\u2019une p\u00e9riode d\u00e9finie. <\/span><\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><strong>\u00c9valuation de la g\u00e9lification du chitosane sous l&rsquo;effet de la chaleur pour les sprays nasaux thermog\u00e9lifiants<\/strong><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Dans les sprays nasaux thermosensibles, les gels \u00e0 base de chitosane se pr\u00e9sentent sous forme liquide \u00e0 temp\u00e9rature ambiante, mais se g\u00e9lifient entre 32 et 34 \u00b0C. ElastoSens\u2122 Biocan simule   <\/span><i><span style=\"font-weight: 400;\">affections des fosses nasales<\/span><\/i><span style=\"font-weight: 400;\"> et de quantifier avec pr\u00e9cision <\/span><i><span style=\"font-weight: 400;\">temp\u00e9rature de d\u00e9but<\/span><\/i><span style=\"font-weight: 400;\"> de g\u00e9lification, ce qui permet <\/span><i><span style=\"font-weight: 400;\">aux d\u00e9veloppeurs de choisir ou d\u2019ajuster les formulations afin de s\u2019adapter \u00e0 la fen\u00eatre physiologique et d\u2019\u00e9viter une g\u00e9lification pr\u00e9coce ou tardive.<\/span><\/i><\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Caract\u00e9risation des gels de chitosane se formant in situ destin\u00e9s \u00e0 servir de mat\u00e9riaux de comblement osseux<\/strong><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Dans les applications orthop\u00e9diques, les gels de chitosane injectables sont associ\u00e9s \u00e0 du phosphate de calcium ou \u00e0 d&rsquo;autres agents de charge et se g\u00e9lifient in vivo. Les biosupports ElastoSens\u2122 permettent de tester ces formulations composites au fur et \u00e0 mesure de leur prise, garantissant ainsi que la rigidit\u00e9 finale corresponde \u00e0 celle des tissus environnants (par exemple, 10 \u00e0 50 kPa pour l\u2019os spongieux) sans s\u00e9chage pr\u00e9matur\u00e9 ni rupture de l\u2019\u00e9chantillon. <\/span><\/li><\/ul><\/li><\/ul><\/li><\/ul>\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-4a84eec elementor-widget elementor-widget-heading\" data-id=\"4a84eec\" 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\">Conclusion : Une plateforme polyvalente pour un polym\u00e8re polyvalent<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3893c6c elementor-widget elementor-widget-text-editor\" data-id=\"3893c6c\" 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;\">La polyvalence du chitosane \u2014 qui d\u00e9pend de son poids mol\u00e9culaire, de son degr\u00e9 de d\u00e9sac\u00e9tylation et de la m\u00e9thode de r\u00e9ticulation utilis\u00e9e \u2014 en fait un mat\u00e9riau utile pour des applications biom\u00e9dicales allant de l\u2019administration de m\u00e9dicaments \u00e0 la r\u00e9paration tissulaire. Ces m\u00eames propri\u00e9t\u00e9s ajustables rendent indispensable la caract\u00e9risation de la cin\u00e9tique de g\u00e9lification, de la rigidit\u00e9 et du comportement m\u00e9canique \u00e0 long terme dans des conditions refl\u00e9tant l\u2019utilisation pr\u00e9vue. Le syst\u00e8me ElastoSens\u2122 Bio offre une plateforme particuli\u00e8rement adapt\u00e9e \u00e0 l\u2019\u00e9tude des hydrogels \u00e0 base de chitosane, car il permet la mesure en temps r\u00e9el, sans contact et non destructive des propri\u00e9t\u00e9s visco\u00e9lastiques dans des conditions physiologiquement pertinentes.  <\/span><\/p><p><span style=\"font-weight: 400;\">Que les chercheurs comparent des gels induits par le pH ou par des ions, qu\u2019ils \u00e9valuent les variables de formulation ou qu\u2019ils v\u00e9rifient que les propri\u00e9t\u00e9s des billes correspondent \u00e0 celles du mat\u00e9riau en vrac, ElastoSens\u2122 Bio offre la pr\u00e9cision et la facilit\u00e9 d\u2019utilisation n\u00e9cessaires pour acc\u00e9l\u00e9rer le d\u00e9veloppement. En permettant des it\u00e9rations plus rapides, des analyses plus claires et un contr\u00f4le qualit\u00e9 plus fiable, cette solution donne aux \u00e9quipes les moyens d\u2019affiner plus efficacement les syst\u00e8mes \u00e0 base de chitosane \u2014 et de concr\u00e9tiser des produits de transfert clinique avec une plus grande assurance sur le plan m\u00e9canique. <\/span><\/p><p><span style=\"font-weight: 400;\">Pour un aper\u00e7u d\u00e9taill\u00e9 des applications \u00e9mergentes et des consid\u00e9rations relatives aux performances des syst\u00e8mes \u00e0 base de microgels, veuillez consulter <\/span><a href=\"https:\/\/rheolution.com\/rheolution-articles\/insights-into-microgels-emerging-versatile-tools-for-regenerative-medicine\/\"><b><i>Comment les microgels sont-ils utilis\u00e9s en m\u00e9decine r\u00e9g\u00e9n\u00e9rative ?<\/i><\/b><\/a><span style=\"font-weight: 400;\">. Pour un exemple d\u00e9taill\u00e9 de comparaison entre les perles et le mat\u00e9riau en vrac, veuillez consulter notre note d&rsquo;application  <\/span><a href=\"https:\/\/rheolution.com\/application-notes\/microgels-and-hydrogel-beads-mechanical-testing\/\"><b><i>Essais m\u00e9caniques sur les microgels et les billes d&rsquo;hydrogel<\/i><\/b><\/a><span style=\"font-weight: 400;\">.<\/span><\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ed5c24c elementor-hidden-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ed5c24c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-98242c2\" data-id=\"98242c2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-eaabe33 elementor-cta--layout-image-left elementor-cta--valign-middle elementor-cta--skin-classic elementor-animated-content elementor-widget elementor-widget-call-to-action\" data-id=\"eaabe33\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/4-1.png?fit=1200%2C1200&#038;ssl=1);\" role=\"img\" aria-label=\"ElastoSens\u2122 Bio\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tElastoSens\u2122 Bio\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tD\u00e9couvrez comment notre technologie mesure de mani\u00e8re non destructive les propri\u00e9t\u00e9s visco\u00e9lastiques des biomat\u00e9riaux mous et des tissus en utilisant des micro-volumes d\u2019\u00e9chantillons\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item \">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"https:\/\/rheolution.com\/fr\/produits\/elastosens-bio\/instrument\/\">\n\t\t\t\t\t\tEn savoir plus\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3d72e7c elementor-section-full_width elementor-section-stretched elementor-hidden-desktop elementor-hidden-tablet elementor-section-height-default elementor-section-height-default\" data-id=\"3d72e7c\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-020491e\" data-id=\"020491e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e82ff5a elementor-cta--layout-image-left elementor-cta--mobile-layout-image-above elementor-cta--valign-middle elementor-cta--skin-classic elementor-animated-content elementor-widget elementor-widget-call-to-action\" data-id=\"e82ff5a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/4-1.png?fit=1200%2C1200&#038;ssl=1);\" role=\"img\" aria-label=\"ElastoSens\u2122 Bio\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tElastoSens\u2122 Bio\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tD\u00e9couvrez comment notre technologie mesure de mani\u00e8re non destructive les propri\u00e9t\u00e9s visco\u00e9lastiques des biomat\u00e9riaux mous et des tissus en utilisant des micro-volumes d\u2019\u00e9chantillons\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item \">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"https:\/\/rheolution.com\/fr\/produits\/elastosens-bio\/instrument\/\">\n\t\t\t\t\t\tEn savoir plus\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b61f37c elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b61f37c\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-325b267\" data-id=\"325b267\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3f5fa53 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"3f5fa53\" 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\">N'h\u00e9sitez pas \u00e0 nous contacter pour en savoir plus<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f04b6cb elementor-section-stretched animated-slow elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"f04b6cb\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e25a7d3\" data-id=\"e25a7d3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b10d2b4 elementor-widget elementor-widget-text-editor\" data-id=\"b10d2b4\" 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 style=\"text-align: center;\">Articles connexes<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6ddd369 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ddd369\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1d9d7e8\" data-id=\"1d9d7e8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-622bdc2 premium-blog-cta-full-yes premium-floating-effects-yes premium-disable-fe-yes premium-blog-align-left elementor-widget elementor-widget-premium-addon-blog\" data-id=\"622bdc2\" 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=\"65442\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"1\">\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=\"1200\" height=\"450\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/web_banner_size-1.jpg?fit=1200%2C450&amp;ssl=1\" class=\"attachment-full size-full wp-image-44499\" alt=\"\" data-attachment-id=\"44499\" data-permalink=\"https:\/\/rheolution.com\/fr\/notes-application\/essais-mecaniques-des-gels-dalginate-cellink\/attachment\/web_banner_size-2-5\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/web_banner_size-1.jpg?fit=1200%2C450&amp;ssl=1\" data-orig-size=\"1200,450\" 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=\"web_banner_size\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/web_banner_size-1.jpg?fit=1024%2C384&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/web_banner_size-1.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/web_banner_size-1.jpg?resize=300%2C113&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/web_banner_size-1.jpg?resize=1024%2C384&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/web_banner_size-1.jpg?resize=768%2C288&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/web_banner_size-1.jpg?resize=260%2C98&amp;ssl=1 260w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/web_banner_size-1.jpg?resize=50%2C19&amp;ssl=1 50w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2022\/01\/web_banner_size-1.jpg?resize=150%2C56&amp;ssl=1 150w\" sizes=\"(max-width:767px) 700px, (max-width:1200px) 100vw, 1200px\" \/>\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\/essais-mecaniques-des-gels-dalginate-cellink\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Caract\u00e9risation de la visco\u00e9lasticit\u00e9 des gels d&rsquo;alginate Cellink \u00e0 l&rsquo;aide d&rsquo;ElastoSens\u2122 Bio<\/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\/essais-mecaniques-des-gels-dalginate-cellink\/\" target=\"_blank\">\n\t\t\t\tCaract\u00e9risation de la visco\u00e9lasticit\u00e9 des gels d&rsquo;alginate Cellink \u00e0 l&rsquo;aide d&rsquo;ElastoSens\u2122 Bio\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\">L'alginate est un polysaccharide pr\u00e9sent dans la structure des algues et dans la capsule des bact\u00e9ries du sol. Ce polysaccharide est g\u00e9n\u00e9ralement extrait d'algues brunes et utilis\u00e9 dans de nombreux secteurs, tels que les secteurs m\u00e9dical, pharmaceutique, alimentaire et textile, en raison de ses propri\u00e9t\u00e9s viscosifiantes, g\u00e9lifiantes et stabilisantes.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/essais-mecaniques-des-gels-dalginate-cellink\/\" 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\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le chitosane est un polym\u00e8re naturel et biod\u00e9gradable d\u00e9riv\u00e9 de la chitine, le mat\u00e9riau structurel pr\u00e9sent dans les carapaces des crustac\u00e9s tels que les crevettes et les crabes. Gr\u00e2ce \u00e0 un processus appel\u00e9 d\u00e9sac\u00e9tylation, la chitine est transform\u00e9e en chitosane qui, sous sa forme classique, se dissout dans des solutions l\u00e9g\u00e8rement acides et peut former des hydrogels dans des conditions appropri\u00e9es. En raison de sa biocompatibilit\u00e9, de ses propri\u00e9t\u00e9s modulables et de ses exigences de traitement peu contraignantes, le chitosane est largement utilis\u00e9 dans l\u2019administration de m\u00e9dicaments, la cicatrisation des plaies et l\u2019ing\u00e9nierie tissulaire.  <\/p>\n","protected":false},"author":195401359,"featured_media":62014,"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":[306],"tags":[92,91,124],"class_list":["post-65442","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-rheolution","tag-hydrogel-formation","tag-hydrogels","tag-life-sciences"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Formulation et Essais des Hydrogels \u00e0 Base de 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