{"id":924339,"date":"2026-05-10T20:38:16","date_gmt":"2026-05-10T20:38:16","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/924339\/"},"modified":"2026-05-10T20:38:16","modified_gmt":"2026-05-10T20:38:16","slug":"des-chercheurs-creent-un-plastique-vivant-capable-de-se-biodegrader-sur-commande","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/924339\/","title":{"rendered":"Des chercheurs cr\u00e9ent un plastique vivant capable de se biod\u00e9grader sur commande"},"content":{"rendered":"<p class=\"sc-9e1vpx-0 jVoltE\">Les spores dormantes de Bacillus subtilis ont \u00e9t\u00e9 m\u00e9lang\u00e9es au polycaprolactone, un polym\u00e8re courant en impression 3D et dans certaines sutures chirurgicales. Les sutures en polycaprolactone fondent dans les tissus au fil de la cicatrisation, sans intervention du chirurgien. Les prototypes imprim\u00e9s en 3D avec ce m\u00eame mat\u00e9riau finissent au rebut apr\u00e8s quelques essais.<\/p>\n<p class=\"sc-9e1vpx-0 jVoltE\">Zhuojun Dai et ses coll\u00e8gues ont donc choisi de tester leur plastique vivant sur un polym\u00e8re vou\u00e9 \u00e0 une dur\u00e9e de vie tr\u00e8s courte, avant de s&rsquo;attaquer aux plastiques durs des emballages quotidiens. Les chercheurs reconnaissent que le polycaprolactone est bien plus sensible aux enzymes que le poly\u00e9thyl\u00e8ne ou le polypropyl\u00e8ne des emballages courants, et qu&rsquo;il leur sera complexe d&rsquo;adapter le syst\u00e8me \u00e0 ces polym\u00e8res r\u00e9sistants pour leurs prochains travaux.<\/p>\n<p class=\"sc-9e1vpx-0 jVoltE\">Mais \u00e0 titre de d\u00e9monstration, l&rsquo;\u00e9quipe a fabriqu\u00e9 une \u00e9lectrode portable en plastique vivant, qui a fonctionn\u00e9 normalement puis s&rsquo;est d\u00e9grad\u00e9e compl\u00e8tement en deux semaines.&#13;<\/p>\n","protected":false},"excerpt":{"rendered":"Les spores dormantes de Bacillus subtilis ont \u00e9t\u00e9 m\u00e9lang\u00e9es au polycaprolactone, un polym\u00e8re courant en impression 3D et&hellip;\n","protected":false},"author":2,"featured_media":924340,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[1011,27,72,71],"class_list":{"0":"post-924339","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sante","8":"tag-fr","9":"tag-france","10":"tag-health","11":"tag-sante"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fr\/116552211403733900","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/924339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=924339"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/924339\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/924340"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=924339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=924339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=924339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}