
{"id":20277,"date":"2015-12-11T10:44:35","date_gmt":"2015-12-11T10:44:35","guid":{"rendered":"http:\/\/ibecbarcelona.eu\/?p=20277"},"modified":"2015-12-16T09:01:29","modified_gmt":"2015-12-16T09:01:29","slug":"aprofitament-de-coli-per-alimentar-micromotors-per-a-lalliberament-de-farmacs","status":"publish","type":"post","link":"https:\/\/ibecbarcelona.eu\/ca\/aprofitament-de-coli-per-alimentar-micromotors-per-a-lalliberament-de-farmacs\/","title":{"rendered":"Aprofitament d&#8217;E. coli per alimentar micromotors per a l&#8217;alliberament de f\u00e0rmacs"},"content":{"rendered":"<h6 class=\"caption\" style=\"padding: 0px 10px 10px 30px;\">Imatge: imatges de SEM d&#8217;E<span class=\"hiddenGrammarError\">.coli<\/span> unides a part\u00edcules Janus<\/h6>\n<p>Bacteris com E. coli &#8211; que \u00e9s m\u00e9s conegut com el bacteri que causa la intoxicaci\u00f3 aliment\u00e0ria, encara que un tipus d&#8217;aquest bacteri que no \u00e9s patogen es produeix de forma natural a l&#8217;intest\u00ed, igual que una indinitat d&#8217;altres tipus de bacteris que formen part de la flora intestinal del nostre cos &#8211; poden ser aprofitadts per alimentar aquests micromotors a l&#8217;interior de l&#8217;organisme convertint l&#8217;energia qu\u00edmica envoltant en treball mec\u00e0nic. A m\u00e9s es poden considerar combustibles <span class=\"hiddenSpellError\">bioresponsables<\/span>, ja que fins ara els micromotors depenien de combustibles i materials t\u00f2xics per a l&#8217;organisme, cosa que no els feia compatibles per a aplicacions biom\u00e8diques.<\/p>\n<p>Per aconseguir els micromotors propulsats per bacteris, els investigadors han integrat la E. coli a les part\u00edcules de metall encapsulat i poliestir\u00e8 Janus &#8211; un tipus especial de part\u00edcules la superf\u00edcie de la qual t\u00e9 dues o m\u00e9s propietats f\u00edsiques diferents. E. coli prefereix el plat\u00ed per sobre de tots els tipus de metall provats, i s&#8217;adhereix nom\u00e9s al costat del metall, permetent que la superf\u00edcie de poliestir\u00e8 de la part\u00edcula es pugui utilitzar per unir el f\u00e0rmac. &#8220;El nostre <span class=\"hiddenSpellError\">bio<\/span>-h\u00edbrid ha estat capa\u00e7 de transportar una c\u00e0rrega de fins a 2 micres de di\u00e0metre, i demostrar l&#8217;habilitat de transportar <span class=\"hiddenSpellError\">DOX<\/span>, un f\u00e0rmac <span class=\"hiddenSpellError\">anticancerigen<\/span>,&#8221; diu Samuel.<\/p>\n<p>El <span class=\"hiddenSpellError\">bio<\/span>-h\u00edbrid t\u00e9 la doble capacitat &#8211; guiar l&#8217;adhesi\u00f3 cel\u00b7lular i localitzar la uni\u00f3 del f\u00e0rmac &#8211; aix\u00ed com \u00e9s capa\u00e7 de nedar en un <span class=\"hiddenSpellError\">micro-ambient<\/span> delimitat que d&#8217;una altra manera seria inaccessible. Els reptes de futur per als micromotors alimentats amb bacteris \u00e9s ser operats en sistemes <span class=\"hiddenSpellError\">in<\/span> <span class=\"hiddenSpellError\">vivo<\/span> amb un ambient tridimensional m\u00e9s complex, per\u00f2 per tenir \u00e8xit \u00e9s essencial un major coneixement de la interacci\u00f3 bacteri-superf\u00edcie.<\/p>\n<p>&#8212;<\/p>\n<p>Article: Morgan M. Stanton, Juliane Simmchen, Xing Ma, Albert Miguel-L\u00f3pez, Samuel S\u00e1nchez* (2015). <a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/admi.201500505\/abstract\">Bio-hybrid Janus Motors Driven by Escherichia coli.<\/a> <em>Adv Mat Interfaces<\/em>, epub head of print<\/p>\n","protected":false},"excerpt":{"rendered":"<h3><img decoding=\"async\" data-src=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/12\/Samuel-Sanchez-Adv-Mat-2015.jpg\" alt=\"Samuel Sanchez Adv Mat 2015\" width=\"400\" height=\"329\" class=\"left size-full wp-image-20254 lazyload\" data-srcset=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/12\/Samuel-Sanchez-Adv-Mat-2015.jpg 400w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/12\/Samuel-Sanchez-Adv-Mat-2015-300x247.jpg 300w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/12\/Samuel-Sanchez-Adv-Mat-2015-158x130.jpg 158w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/12\/Samuel-Sanchez-Adv-Mat-2015-150x123.jpg 150w\" data-sizes=\"(max-width: 400px) 100vw, 400px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 400px; --smush-placeholder-aspect-ratio: 400\/329;\" \/>Un investigador de l&#8217;IBEC i els seus col\u00b7laboradors han donat l&#8217;\u00faltim pas per aconseguir micromotors segurs per transportar i alliberar f\u00e0rmacs mitjan\u00e7ant el desenvolupament d&#8217;una versi\u00f3 que s&#8217;alimenta de bacteris.<\/h3>\n<p>Samuel Sanchez, que recentment ha publicat un treball similar sobre micro transportadors de f\u00e0rmacs que utilitzen enzims que consumeixen combustibles biol\u00f2gics, com el sucre, ha treballat amb part del seu equip al Max Planck Institute for Intelligent Systems en aquest \u00faltim descobriment, que elabora una opci\u00f3 encara m\u00e9s prometedora alimentada per <em>Escherichia coli<\/em>.<\/p>\n","protected":false},"author":4,"featured_media":20256,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[],"post_formats":[],"class_list":["post-20277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticies-de-recerca"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aprofitament d&#039;E. coli per alimentar micromotors per a l&#039;alliberament de f\u00e0rmacs - Institute for Bioengineering of Catalonia<\/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:\/\/ibecbarcelona.eu\/ca\/aprofitament-de-coli-per-alimentar-micromotors-per-a-lalliberament-de-farmacs\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aprofitament d&#039;E. coli per alimentar micromotors per a l&#039;alliberament de f\u00e0rmacs - Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"og:description\" content=\"Un investigador de l&#039;IBEC i els seus col\u00b7laboradors han donat l&#039;\u00faltim pas per aconseguir micromotors segurs per transportar i alliberar f\u00e0rmacs mitjan\u00e7ant el desenvolupament d&#039;una versi\u00f3 que s&#039;alimenta de bacteris.  Samuel Sanchez, que recentment ha publicat un treball similar sobre micro transportadors de f\u00e0rmacs que utilitzen enzims que consumeixen combustibles biol\u00f2gics, com el sucre, ha treballat amb part del seu equip al Max Planck Institute for Intelligent Systems en aquest \u00faltim descobriment, que elabora una opci\u00f3 encara m\u00e9s prometedora alimentada per Escherichia coli.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ibecbarcelona.eu\/ca\/aprofitament-de-coli-per-alimentar-micromotors-per-a-lalliberament-de-farmacs\/\" \/>\n<meta property=\"og:site_name\" content=\"Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"article:published_time\" content=\"2015-12-11T10:44:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-12-16T09:01:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/12\/Samuel-Sanchez-Adv-Mat-2015.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"400\" \/>\n\t<meta property=\"og:image:height\" content=\"329\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u00c0ngels L\u00f3pez\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrit per\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u00c0ngels L\u00f3pez\" \/>\n\t<meta name=\"twitter:label2\" content=\"Temps estimat de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuts\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/aprofitament-de-coli-per-alimentar-micromotors-per-a-lalliberament-de-farmacs\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/aprofitament-de-coli-per-alimentar-micromotors-per-a-lalliberament-de-farmacs\\\/\"},\"author\":{\"name\":\"\u00c0ngels L\u00f3pez\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/#\\\/schema\\\/person\\\/c212c6b589546130be67986b9290e2b8\"},\"headline\":\"Aprofitament d&#8217;E. coli per alimentar micromotors per a l&#8217;alliberament de f\u00e0rmacs\",\"datePublished\":\"2015-12-11T10:44:35+00:00\",\"dateModified\":\"2015-12-16T09:01:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/aprofitament-de-coli-per-alimentar-micromotors-per-a-lalliberament-de-farmacs\\\/\"},\"wordCount\":354,\"publisher\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/aprofitament-de-coli-per-alimentar-micromotors-per-a-lalliberament-de-farmacs\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ibecbarcelona.eu\\\/wp-content\\\/uploads\\\/2015\\\/12\\\/Samuel-Sanchez-Adv-Mat-2015.jpg\",\"articleSection\":[\"Not\u00edcies de recerca\"],\"inLanguage\":\"ca\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/aprofitament-de-coli-per-alimentar-micromotors-per-a-lalliberament-de-farmacs\\\/\",\"url\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/aprofitament-de-coli-per-alimentar-micromotors-per-a-lalliberament-de-farmacs\\\/\",\"name\":\"Aprofitament d'E. coli per alimentar micromotors per a l'alliberament de f\u00e0rmacs - 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