{"id":80306,"date":"2026-03-13T13:49:13","date_gmt":"2026-03-13T12:49:13","guid":{"rendered":"https:\/\/www.he-arc.ch\/?post_type=he-arc_work&#038;p=80306"},"modified":"2026-03-18T10:08:45","modified_gmt":"2026-03-18T09:08:45","slug":"ioset-matthieu","status":"publish","type":"he-arc_work","link":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/ioset-matthieu\/","title":{"rendered":"IOSET Matthieu"},"content":{"rendered":"\n<p>Ce travail \u00e9tablit la faisabilit\u00e9 de la conception d\u2019un capteur de pression biosourc\u00e9 fond\u00e9 sur un eutectogel d\u2019alcool polyvinylique (PVA) et d\u2019un solvant eutectique profond (DES).<\/p>\n\n\n\n<p>La formulation optimis\u00e9e \u00e0 20 % de PVA, obtenue par une m\u00e9thode d\u2019\u00e9change de solvant, a d\u00e9montr\u00e9 des performances quantifiables, avec une sensibilit\u00e9 de -1,27 \u00b1 0,07 %\/kPa et un temps de r\u00e9ponse de 0,164 \u00b1 0,014 s.<\/p>\n\n\n\n<p>La principale limitation identifi\u00e9e est une faible stabilit\u00e9 temporelle, caract\u00e9ris\u00e9e par une d\u00e9rive de la sensibilit\u00e9 de 22,9 \u00b1 10,7 % sur trois jours.<\/p>\n\n\n\n<p>Pour contrer ce ph\u00e9nom\u00e8ne, une strat\u00e9gie d\u2019encapsulation par un rev\u00eatement d\u2019\u00e9thylcellulose a \u00e9t\u00e9 explor\u00e9e. Cette approche a confirm\u00e9 son efficacit\u00e9 en att\u00e9nuant la d\u00e9rive de l\u2019imp\u00e9dance de base de -73,7 % (t\u00e9moin) \u00e0 34,7 % (rev\u00eatu), bien qu\u2019une instabilit\u00e9 r\u00e9siduelle, imput\u00e9e \u00e0 une perte de DES, subsiste.<\/p>\n\n\n\n<p>Les perspectives exigent donc une validation statistique de ces r\u00e9sultats et, de mani\u00e8re cruciale, le d\u00e9veloppement d\u2019\u00e9lectrodes biosourc\u00e9es pour concr\u00e9tiser l\u2019objectif d\u2019un dispositif enti\u00e8rement biosourc\u00e9.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><a href=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25MIC-TB455_Ioset_Matthieu.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Poster du travail de bachelor de Matthieu Ioset<\/a><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"483\" height=\"491\" src=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25MIC-TB455_Ioset_Matthieu2.png\" alt=\"\" class=\"wp-image-80632\" style=\"width:265px;height:auto\" srcset=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25MIC-TB455_Ioset_Matthieu2.png 483w, https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25MIC-TB455_Ioset_Matthieu2-295x300.png 295w\" sizes=\"(max-width: 483px) 100vw, 483px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"671\" height=\"689\" src=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25MIC-TB455_Ioset_Matthieu-e1773406051698.png\" alt=\"\" class=\"wp-image-79847\" style=\"aspect-ratio:0.9738537549978462;width:271px;height:auto\" srcset=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25MIC-TB455_Ioset_Matthieu-e1773406051698.png 671w, https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25MIC-TB455_Ioset_Matthieu-e1773406051698-292x300.png 292w\" sizes=\"(max-width: 671px) 100vw, 671px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"author":63,"featured_media":79847,"template":"","he-arc_domain":[3],"he-arc_training_branch":[50],"he-arc_training_orientation":[57],"he-arc_training_level":[58],"he-arc_project_year":[111],"class_list":["post-80306","he-arc_work","type-he-arc_work","status-publish","has-post-thumbnail","hentry","he-arc_domain-ingenierie","he-arc_training_branch-microtechniques","he-arc_training_orientation-ingenierie-biomedicale","he-arc_training_level-travail-de-bachelor","he-arc_project_year-111"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>IOSET Matthieu - Haute-Ecole Arc<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/ioset-matthieu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IOSET Matthieu - Haute-Ecole Arc\" \/>\n<meta property=\"og:description\" content=\"Ce travail \u00e9tablit la faisabilit\u00e9 de la conception d\u2019un capteur de pression biosourc\u00e9 fond\u00e9 sur un eutectogel d\u2019alcool polyvinylique (PVA) et d\u2019un solvant eutectique profond (DES). 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