{"id":57265,"date":"2018-01-17T17:13:16","date_gmt":"2018-01-17T16:13:16","guid":{"rendered":"http:\/\/ibecbarcelona.eu\/?p=57265"},"modified":"2018-01-18T16:08:03","modified_gmt":"2018-01-18T15:08:03","slug":"nanomotores-impulsados-con-luz","status":"publish","type":"post","link":"https:\/\/ibecbarcelona.eu\/es\/nanomotores-impulsados-con-luz\/","title":{"rendered":"Nanomotores impulsados con luz"},"content":{"rendered":"

Sin embargo, esto implica el uso de combustibles qu\u00edmicos que en ocasiones \u2013 como en el caso del per\u00f3xido de hidr\u00f3geno \u2013 son biot\u00f3xicos.<\/p>\n

Imagen: Imagen TEM de un nanomotor de Au\/TiO2 , con forma de nanoesfera hueca.<\/h6>\n

El grupo Smart nano-bio devices <\/a> del IBEC ha propuesto algunos combustibles bio-amigables para impulsar sus nanomotores, como la glucosa o la urea; pero estas opciones restringen la vida \u00fatil de los motores, debido al consumo sostenido de combustible requerido.<\/p>\n

\u201cUna forma eficiente de propulsar los nanomotores ser\u00eda utilizando est\u00edmulos externos, como ultrasonidos o campos magn\u00e9ticos o el\u00e9ctricos\u00bb, dice el profesor de investigaci\u00f3n ICREA e investigador principal, Samuel S\u00e1nchez. Bas\u00e1ndose en esta idea, los colaboradores han desarrollado nanomotores de oro y di\u00f3xido de titanio de aproximadamente 175 nm de di\u00e1metro que exhiben movimiento activo browniano cuando se iluminan con luz blanca de amplio espectro.<\/p>\n

\u00abEste trabajo supone un paso adelante en el campo, ya que hasta ahora los estudios para propulsar nanomotores con luz solo han funcionado utilizando fuentes de luz no biocompatibles, como la luz ultravioleta\u00bb, agrega Samuel.<\/p>\n

El nuevo descubrimiento proporciona una alternativa para propulsar nanomotores sin la necesidad de emplear combustibles qu\u00edmicos, y puede dar lugar a aplicaciones completamente nuevas para micro y nanomotores con alimentaci\u00f3n externa.<\/p>\n

—
\nArt\u00edculo de referencia:<\/strong> Xu Wang, Varun Sridhar, Surong Guo, Nahid Talebi, Albert Miguel L\u00f3pez, Kersten Hahn, Peter A. van Aken, Samuel Sanchez (2018). Fuel-free nanocap-like motors actuated under visible light<\/a> Adv.Funct.Mat,<\/em> epub ahead of print (DOI: 10.1002\/adfm.201705862)<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\"\"<\/a>Investigadores del IBEC en colaboraci\u00f3n con el Max Planck Institute for Intelligent Systems han desarrollado nanomotores que funcionan con una fuente de energ\u00eda libre de combustibles, inocua e ilimitada: la luz.<\/h3>\n

Gran parte de los nano y micromotores dise\u00f1ados para aplicaciones biom\u00e9dicas – como la administraci\u00f3n dirigida de f\u00e1rmacos – se emplean materiales catal\u00edticos para impulsarse a trav\u00e9s de su entorno.<\/p>\n","protected":false},"author":4,"featured_media":57244,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[],"post_formats":[],"class_list":["post-57265","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias-de-investigacion"],"yoast_head":"\nNanomotores impulsados con luz - 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\/nanomotores-impulsados-con-luz\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nanomotores impulsados con luz - Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"og:description\" content=\"Investigadores del IBEC en colaboraci\u00f3n con el Max Planck Institute for Intelligent Systems han desarrollado nanomotores que funcionan con una fuente de energ\u00eda libre de combustibles, inocua e ilimitada: la luz. Gran parte de los nano y micromotores dise\u00f1ados para aplicaciones biom\u00e9dicas - como la administraci\u00f3n dirigida de f\u00e1rmacos - se emplean materiales catal\u00edticos para impulsarse a trav\u00e9s de su entorno.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ibecbarcelona.eu\/es\/nanomotores-impulsados-con-luz\/\" \/>\n<meta property=\"og:site_name\" content=\"Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"article:published_time\" content=\"2018-01-17T16:13:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-01-18T15:08:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2018\/01\/lightpaperss400.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"400\" \/>\n\t<meta property=\"og:image:height\" content=\"336\" \/>\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=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/nanomotores-impulsados-con-luz\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/nanomotores-impulsados-con-luz\\\/\"},\"author\":{\"name\":\"\u00c0ngels L\u00f3pez\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/#\\\/schema\\\/person\\\/c212c6b589546130be67986b9290e2b8\"},\"headline\":\"Nanomotores impulsados con luz\",\"datePublished\":\"2018-01-17T16:13:16+00:00\",\"dateModified\":\"2018-01-18T15:08:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/nanomotores-impulsados-con-luz\\\/\"},\"wordCount\":265,\"publisher\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/nanomotores-impulsados-con-luz\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ibecbarcelona.eu\\\/wp-content\\\/uploads\\\/2018\\\/01\\\/lightpaperss400.jpg\",\"articleSection\":[\"Noticias de investigaci\u00f3n\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/nanomotores-impulsados-con-luz\\\/\",\"url\":\"https:\\\/\\\/ibecbarcelona.eu\\\/es\\\/nanomotores-impulsados-con-luz\\\/\",\"name\":\"Nanomotores impulsados con luz - 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