{"id":60549,"date":"2018-03-09T22:48:22","date_gmt":"2018-03-09T22:48:22","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nanomechanics-of-organic-layers-and-biomenbranes\/"},"modified":"2018-03-09T22:48:22","modified_gmt":"2018-03-09T22:48:22","slug":"nanomechanics-of-organic-layers-and-biomenbranes","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/barcelona\/nanomechanics-of-organic-layers-and-biomenbranes\/","title":{"rendered":"Nanomechanics of organic layers and biomenbranes"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gerard Oncins Marco <\/strong><\/h2>\n<p>En esta tesis se han usado varias t\u00e9cnicas nanom\u00e9tricas con el objetivo de estudiar  diversas monocapas org\u00e1nicas. El tipo de superficies estudiadas se puede clasificar en dos tipos; primeramente, monocapas aplicadas a reducir la fricci\u00f3n en dispositivos de tipo mems y nems (micro y nanoelectromechanical systems). Las mol\u00e9culas estudiadas han sido \u00e1cido araqu\u00eddico, \u00e1cido alcanofosf\u00f3nico completamente hidrogenado y parcialmente fluorado y capas de tipo dlc (diamon-like carbon films). El segundo tipo de muestras comprende recubrimientos adecuados para el desarrollo de mems y nems para aplicaciones biol\u00f3gicas, esto es, dispositivos que necesitan recubrimientos biocompatibles. Como primera aproximaci\u00f3n se han estudiado bicapas fosfolip\u00eddicas en media acuoso desde el punto de vista nanomec\u00e1nico.  las t\u00e9cnicas empleadas han sido la microscopia de fuerzas at\u00f3micas(afm) en el modo topogr\u00e1fico, la espectroscopia de fuerzas para comprimir las capas y estudiar su respuesta nanomec\u00e1nica en condiciones de comprensi\u00f3n vertical y la microscopia de fuerzas laterales o de fricci\u00f3n (lfm), con la cual se pueden obtener las propiedades nanotribol\u00f3gicas de las muestras de estudio afectando \u00e1reas tan peque\u00f1as como 25 x 25 nan\u00f3metros cuadrados. Mediante el uso de la microscopia de fuerzas a temperatura variable ha sido posible estudiar in-situ las transiciones de fase de bicapas fosfolip\u00eddicas soportadas sobre mica en medio acuoso y su combinaci\u00f3n con la espectroscopia de fuerzas ha permitido la obtenci\u00f3n de la fuerza de rotura de dichas capas a temperatura variable.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nanomechanics of organic layers and biomenbranes<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nanomechanics of organic layers and biomenbranes <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gerard Oncins Marco <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 21\/09\/2007<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Fausto Sanz Carrasco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: daniel Navajas <\/li>\n<li>jordi Fraxedas (vocal)<\/li>\n<li>christian Legrimellec (vocal)<\/li>\n<li>albert Verdaguer (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gerard Oncins Marco En esta tesis se han usado varias t\u00e9cnicas nanom\u00e9tricas con el objetivo de estudiar [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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