{"id":58087,"date":"2018-03-09T22:45:54","date_gmt":"2018-03-09T22:45:54","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-microestructura-de-pola%c2%admeros-mediante-cromatografa%c2%ada-con-deteccion-multiple-fluorescencia-y-dinamica-molecular\/"},"modified":"2018-03-09T22:45:54","modified_gmt":"2018-03-09T22:45:54","slug":"estudio-de-la-microestructura-de-pola%c2%admeros-mediante-cromatografa%c2%ada-con-deteccion-multiple-fluorescencia-y-dinamica-molecular","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/macromoleculas\/estudio-de-la-microestructura-de-pola%c2%admeros-mediante-cromatografa%c2%ada-con-deteccion-multiple-fluorescencia-y-dinamica-molecular\/","title":{"rendered":"Estudio de la microestructura de pol\u00edmeros mediante cromatograf\u00edacon detecci\u00f3n m\u00faltiple, fluorescencia y din\u00e1mica molecular"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gema Marcelo Alejandre <\/strong><\/h2>\n<p>El trabajo desarrollado en esta tesis se encuentra dentro del campo de la estad\u00edstica conformacional de pol\u00edmeros. Desde el punto de vista experimental se han utilizado preferentemente dos t\u00e9cnicas: la cromatograf\u00eda de exclusi\u00f3n por tama\u00f1os acoplada a un detector de difusi\u00f3n de luz multi\u00e1ngulo (sec-mals) y la fluorescencia en el caso de pol\u00edmeros que contienen grupos crom\u00f3foro. En este trabajo, la t\u00e9cnica de sec.Mals  se ha aplicado a pol\u00edmeros sensibles a la polaridad del medio, especialmente a aquellos solubles en agua (pol\u00edmeros con grupos polares y polielectrolitos), por el reto que estos representan en lo que se refiere a  interacciones intermoleculares que entran en juego. Median la t\u00e9cnica de fluorescencia se han estudiado  polifosfacenos con grupos binaft\u00f3xido y copol\u00edmeros fotoconductores con grupos carbazol, fundamentalmente porque, la estructura microsc\u00f3pica de los polifosfacenos  no es del todo conocida y en particular, porque este tipo de polifosfacenos presentan estructura secundaria tipo h\u00e9lice y la formaci\u00f3n de exc\u00edmeros y transferencia de energ\u00eda intramolecular debieran ser sensibles a esa estructura. En el caso de copol\u00edmeros que contienen grupos carbazol, por ver como afecta la composici\u00f3n del copol\u00edmero sobre la eficiencia de la transferencia de energ\u00eda y fotoconducci\u00f3n. Desde el punto de vista te\u00f3rico se han realizado simulaciones de din\u00e1mica molecular (dm) utilizando distintos campos de fuerza, sobre los diferentes sistemas que tambi\u00e9n presentan especial inter\u00e9s. As\u00ed, un punto importante en el c\u00e1lculo representa la optimizaci\u00f3n de los par\u00e1metros de las diferentes interacciones puestas en juego en el caso de polieelectrolitos, ya que la mayor\u00eda de ellos no est\u00e1n bien parametrizados en los campos de fuerza que disponemos actualmente.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la microestructura de pol\u00edmeros mediante cromatograf\u00edacon detecci\u00f3n m\u00faltiple, fluorescencia y din\u00e1mica molecular<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la microestructura de pol\u00edmeros mediante cromatograf\u00edacon detecci\u00f3n m\u00faltiple, fluorescencia y din\u00e1mica molecular <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gema Marcelo Alejandre <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alcal\u00e1<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/04\/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>M\u00aa Pilar Tarazona Lafarga<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: in\u00e9s Fern\u00e1ndez de pierola y mart\u00ednez de olkoz <\/li>\n<li>julio Bravo de pedro (vocal)<\/li>\n<li>carmen Peinado margalef (vocal)<\/li>\n<li>M\u00aamar L\u00f3pez gonz\u00e1lez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gema Marcelo Alejandre El trabajo desarrollado en esta tesis se encuentra dentro del campo de la estad\u00edstica [&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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