{"id":10282,"date":"2023-11-28T20:13:12","date_gmt":"2023-11-28T20:13:12","guid":{"rendered":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/politique\/le-defi-de-la-bioimpression-3d"},"modified":"2023-11-28T21:57:12","modified_gmt":"2023-11-28T21:57:12","slug":"le-defi-de-la-bioimpression-3d","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/le-defi-de-la-bioimpression-3d","title":{"rendered":"Le d\u00e9fi de la bioimpression 3D"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; S\u00e3o Tom\u00e9 e Pr\u00edncipe. <\/strong><\/span>Mimer au mieux un tissu humain ou un organe : c\u2019est le de\u0301fi de la bioimpression 3D, gra\u0302ce a\u0300 laquelle les chercheurs peuvent tester l\u2019effet d\u2019un me\u0301dicament ou d\u2019une radiothe\u0301rapie sur des organoi\u0308des, mode\u0300les simplifie\u0301s du foie, de la peau, etc. Pour former ce tissu, un laser de\u0301tache, une a\u0300 une, des nano-gouttelettes de cellules en culture.<\/p>\n<p><b>Une circulation sanguine ne\u0301cessaire<\/b><\/p>\n<p>Mais pour pallier le de\u0301ficit d\u2019organes humains et fabriquer des structures transplantables, il faudrait que celles-ci soient irrigue\u0301es par une circulation sanguine qui les nourrisse et les oxyge\u0300ne. Des appareils capables d\u2019initier cette circulation sont en cours de test. Une fois imprime\u0301, le tissu est connecte\u0301 a\u0300 l\u2019un d\u2019eux, qui e\u0301tablit un flux continu dans les vaisseaux. A\u0300 terme, cette technologie permettrait la formation du re\u0301seau de capillaires, les vaisseaux les plus fins, a\u0300 l\u2019inte\u0301rieur de l\u2019organe ou du tissu, permettant leur transplantation.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/sao-tome-e-principe\">S\u00e3o Tom\u00e9 e Pr\u00edncipe<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; S\u00e3o Tom\u00e9 e Pr\u00edncipe. Mimer au mieux un tissu humain ou un organe : c\u2019est le de\u0301fi de la bioimpression 3D, gra\u0302ce a\u0300 laquelle les chercheurs peuvent tester l\u2019effet d\u2019un me\u0301dicament ou d\u2019une radiothe\u0301rapie sur des organoi\u0308des, mode\u0300les simplifie\u0301s du foie, de la peau, etc. Pour former ce tissu, un laser de\u0301tache, une [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":10281,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,55,56],"class_list":["post-10282","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-sao-tome-e-principe","tag-sao-tome-e-principe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Le d\u00e9fi de la bioimpression 3D - 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