{"id":59931,"date":"2018-07-02T12:33:56","date_gmt":"2018-07-02T10:33:56","guid":{"rendered":"http:\/\/ibecbarcelona.eu\/?p=59931"},"modified":"2018-07-03T12:29:59","modified_gmt":"2018-07-03T10:29:59","slug":"inspirandose-en-la-caja-de-herramientas-de-un-carpintero","status":"publish","type":"post","link":"https:\/\/ibecbarcelona.eu\/es\/inspirandose-en-la-caja-de-herramientas-de-un-carpintero\/","title":{"rendered":"Inspir\u00e1ndose en la caja de herramientas de un carpintero"},"content":{"rendered":"<p>Sin embargo, algo que obstaculiza el desarrollo de estos dispositivos es el hecho de que est\u00e1n constantemente sujetos a las fluctuaciones brownianas; en otras palabras, son sacudidos por colisiones con las mol\u00e9culas en el fluido circundante. Como resultado, su direcci\u00f3n de propulsi\u00f3n cambia de forma aleatoria cada pocos segundos, lo que imposibilita la migraci\u00f3n direccional.<\/p>\n<p>\u00abSin embargo, durante la autopropulsi\u00f3n los motores crean gradientes qu\u00edmicos y campos de flujo en los fluidos que los rodean\u00bb, dice Jaideep Katuri, autor principal del estudio. \u00abEstos, a su vez, se ven afectados por su entorno. Pensamos que podr\u00edamos aprovechar estas interacciones para dise\u00f1ar una respuesta direccional\u00bb.<\/p>\n<p>Los investigadores plantearon que las caracter\u00edsticas topogr\u00e1ficas circundantes de los micromotores podr\u00edan usarse para obtener un flujo direccional de part\u00edculas, pero solo si estas caracter\u00edsticas se dise\u00f1aran correctamente. \u00abNecesit\u00e1bamos de alg\u00fan modo lograr una topograf\u00eda asim\u00e9trica de las superficies en las que nadan los motores\u00bb, dice Jaideep. \u00abEsta asimetr\u00eda asegura que las part\u00edculas encuentren m\u00e1s f\u00e1cil moverse en una direcci\u00f3n que en la otra, y nos ayuda a lograr un flujo de part\u00edculas robusto que ser\u00eda imposible en una superficie homog\u00e9nea\u00bb.<\/p>\n<p>Para desarrollar estas superficies, el grupo <a href=\"https:\/\/ibecbarcelona.eu\/nanobioengineering\" target=\"_blank\" rel=\"noopener\">Nanobioengineering<\/a> de Josep Samitier brind\u00f3 su ayuda. Usando su experiencia en micropatrones, dise\u00f1aron una topograf\u00eda dentada en la superficie de los nanadores, con un \u00e1ngulo que los hace comportarse como un trinquete, permitiendo el movimiento en una sola direcci\u00f3n.<\/p>\n<p>\u00abAdem\u00e1s de generar trayectorias direccionales y flujos de part\u00edculas orientados, hemos visto que estos &#8216;trinquetes&#8217; tambi\u00e9n podr\u00edan usarse para concentrar los micromotores en espacios confinados\u00bb, agrega Jaideep.<\/p>\n<p>Esta capacidad de controlar el comportamiento de los sistemas normalmente difusivos abre nuevas posibilidades en microfluidos, aplicaciones de laboratorio en un chip y, finalmente, para aplicaciones de entrega o recogida de f\u00e1rmacos.<\/p>\n<p>&#8212;<br \/>\nArt\u00edculo referenciado:<\/p>\n<p>Jaideep Katuri, David Caballero, Raphael Voituriez, Josep Samitier, Samuel Sanchez (2018). <a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acsnano.8b03494\">Directed Flow of Micromotors through Alignment Interactions with Micropatterned Ratchets<\/a>. <em>ACS Nano<\/em>, epub ahead of print<\/p>\n","protected":false},"excerpt":{"rendered":"<h3><img decoding=\"async\" class=\"left size-full wp-image-59839 lazyload\" data-src=\"http:\/\/www.ibecbarcelona.eu\/wp-content\/uploads\/2018\/07\/SS_Nanobio_ACSNANOratchet.jpg\" alt=\"\" width=\"400\" height=\"378\" data-srcset=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2018\/07\/SS_Nanobio_ACSNANOratchet.jpg 400w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2018\/07\/SS_Nanobio_ACSNANOratchet-300x284.jpg 300w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2018\/07\/SS_Nanobio_ACSNANOratchet-138x130.jpg 138w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2018\/07\/SS_Nanobio_ACSNANOratchet-150x142.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\/378;\" \/><\/strong>Los grupos Smart-Nano-Bio-Devices y Nanobioengineering del IBEC se han unido para resolver el problema del movimiento aleatorio de micro y nanomotores. <\/h3>\n<p><a href=\"http:\/\/www.ibecbarcelona.eu\/nanodevices\" target=\"_blank\" rel=\"noopener\"> El grupo de Samuel S\u00e1nchez <\/a> ha seguido adelante con su creaci\u00f3n de micro y nanodispositivos autopropulsados en los \u00faltimos a\u00f1os. Estos &#8216;nadadores&#8217; autopropulsados por reacciones catal\u00edticas en fluidos, que podr\u00edan ser los fluidos de nuestro cuerpo o simplemente agua, tienen un gran potencial en aplicaciones como la administraci\u00f3n dirigida de medicamentos, la recuperaci\u00f3n medioambiental o como elementos de suministro y recuperaci\u00f3n en dispositivos lab-on-a-chip.<\/p>\n","protected":false},"author":4,"featured_media":59839,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[1137],"post_formats":[],"class_list":["post-59931","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias-de-investigacion","tag-josep-samitier-es"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Inspir\u00e1ndose en la caja de herramientas de un carpintero - 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\/es\/inspirandose-en-la-caja-de-herramientas-de-un-carpintero\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Inspir\u00e1ndose en la caja de herramientas de un carpintero - Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"og:description\" content=\"Los grupos Smart-Nano-Bio-Devices y Nanobioengineering del IBEC se han unido para resolver el problema del movimiento aleatorio de micro y nanomotores.   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Estos &#039;nadadores&#039; autopropulsados por reacciones catal\u00edticas en fluidos, que podr\u00edan ser los fluidos de nuestro cuerpo o simplemente agua, tienen un gran potencial en aplicaciones como la administraci\u00f3n dirigida de medicamentos, la recuperaci\u00f3n medioambiental o como elementos de suministro y recuperaci\u00f3n en dispositivos lab-on-a-chip.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ibecbarcelona.eu\/es\/inspirandose-en-la-caja-de-herramientas-de-un-carpintero\/\" \/>\n<meta property=\"og:site_name\" content=\"Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"article:published_time\" content=\"2018-07-02T10:33:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-07-03T10:29:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2018\/07\/SS_Nanobio_ACSNANOratchet.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"400\" \/>\n\t<meta property=\"og:image:height\" content=\"378\" \/>\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=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u00c0ngels L\u00f3pez\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/inspirandose-en-la-caja-de-herramientas-de-un-carpintero\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/inspirandose-en-la-caja-de-herramientas-de-un-carpintero\\\/\"},\"author\":{\"name\":\"\u00c0ngels L\u00f3pez\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/#\\\/schema\\\/person\\\/c212c6b589546130be67986b9290e2b8\"},\"headline\":\"Inspir\u00e1ndose en la caja de herramientas de un carpintero\",\"datePublished\":\"2018-07-02T10:33:56+00:00\",\"dateModified\":\"2018-07-03T10:29:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/inspirandose-en-la-caja-de-herramientas-de-un-carpintero\\\/\"},\"wordCount\":363,\"publisher\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/inspirandose-en-la-caja-de-herramientas-de-un-carpintero\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ibecbarcelona.eu\\\/wp-content\\\/uploads\\\/2018\\\/07\\\/SS_Nanobio_ACSNANOratchet.jpg\",\"keywords\":[\"Josep Samitier\"],\"articleSection\":[\"Noticias de investigaci\u00f3n\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/inspirandose-en-la-caja-de-herramientas-de-un-carpintero\\\/\",\"url\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/inspirandose-en-la-caja-de-herramientas-de-un-carpintero\\\/\",\"name\":\"Inspir\u00e1ndose en la caja de herramientas de un carpintero - 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