{"id":153164,"date":"2014-01-13T00:00:00","date_gmt":"2014-01-13T00:00:00","guid":{"rendered":"https:\/\/v2.optiknow.ca\/une-imprimante-produit-des-cellules-oculaires\/"},"modified":"2014-01-13T00:00:00","modified_gmt":"2014-01-13T00:00:00","slug":"une-imprimante-produit-des-cellules-oculaires","status":"publish","type":"post","link":"https:\/\/v2.optiknow.ca\/fr\/2014\/01\/13\/une-imprimante-produit-des-cellules-oculaires\/","title":{"rendered":"Une imprimante produit des cellules oculaires"},"content":{"rendered":"<p>\u00a0<\/p>\n<p>Pour la premi\u00e8re fois, des chercheurs britanniques ont r\u00e9ussi \u00e0 imprimer des cellules oculaires gr\u00e2ce \u00e0 l'impression 3D. Les chercheurs ont imprim\u00e9 des cellules ganglionnaires et gliales.<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">Les chercheurs ont d\u00e9montr\u00e9 que ces cellules imprim\u00e9es demeuraient saines et pouvaient survivre et se d\u00e9velopper en culture. Cette perc\u00e9e technologique pourrait mener \u00e0 la production de tissus artificiels destin\u00e9s \u00e0 des greffes, fabriqu\u00e9s \u00e0 partir de diff\u00e9rentes cellules prises dans la r\u00e9tine, et pourrait aider \u00e0 d\u00e9velopper des traitements contre certaines formes de c\u00e9cit\u00e9.<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">Lors de cette \u00e9tude, les chercheurs ont utilis\u00e9 une imprimante \u00e0 jet d'encre pi\u00e9zo\u00e9lectrique qui \u00e9jectait les cellules par un injecteur d'un diam\u00e8tre inf\u00e9rieur \u00e0 un millim\u00e8tre lorsqu'une pulsation \u00e9lectrique sp\u00e9cifique lui \u00e9tait appliqu\u00e9e. \u00ab\u00a0Pour bien imprimer un fluide \u00e0 partir d'une t\u00eate d'imprimante \u00e0 jet d'encre, ses propri\u00e9t\u00e9s, comme la viscosit\u00e9 et la tension de surface, doivent se conformer \u00e0 un \u00e9cart de valeur tr\u00e8s \u00e9troit. Ajouter des cellules au fluide complique grandement ses propri\u00e9t\u00e9s\u00a0\u00bb, admet l'un des membres de l'\u00e9quipe, le D<sup>r<\/sup> Wen-Kai Hsiao.<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">L'\u00e9quipe souhaite maintenant poursuivre en imprimant d'autres types de cellules, et cherchera notamment \u00e0 savoir si des photor\u00e9cepteurs peuvent \u00eatre produits avec cette technologie.<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">Source :<\/p>\n<p class=\"Corps\"><a title=\"Une imprimante produit des cellules oculaires\" href=\"http:\/\/www.sciencedaily.com\/releases\/2013\/12\/131218100227.htm\">http:\/\/www.sciencedaily.com\/releases\/2013\/12\/131218100227.htm<\/a>\u00a0<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Pour la premi\u00e8re fois, des chercheurs britanniques ont r\u00e9ussi \u00e0 imprimer des cellules oculaires gr\u00e2ce \u00e0 l'impression 3D. Les chercheurs ont imprim\u00e9 des cellules ganglionnaires et gliales. \u00a0 Les [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23133],"tags":[],"class_list":["post-153164","post","type-post","status-publish","format-standard","hentry","category-nouvelles"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Une imprimante produit des cellules oculaires - OptikNow<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Une imprimante produit des cellules oculaires - OptikNow\" \/>\n<meta property=\"og:description\" content=\"\u00a0 Pour la premi\u00e8re fois, des chercheurs britanniques ont r\u00e9ussi \u00e0 imprimer des cellules oculaires gr\u00e2ce \u00e0 l&#039;impression 3D. 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