{"id":97493,"date":"2018-03-11T10:18:03","date_gmt":"2018-03-11T10:18:03","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sa%c2%adntesis-y-propiedades-electro-opticas-de-sensores-moleculares-multicanal-de-cationes-y-aniones\/"},"modified":"2018-03-11T10:18:03","modified_gmt":"2018-03-11T10:18:03","slug":"sa%c2%adntesis-y-propiedades-electro-opticas-de-sensores-moleculares-multicanal-de-cationes-y-aniones","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica-organica\/sa%c2%adntesis-y-propiedades-electro-opticas-de-sensores-moleculares-multicanal-de-cationes-y-aniones\/","title":{"rendered":"S\u00edntesis y propiedades electro-\u00f3pticas de sensores moleculares multicanal de cationes y aniones"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Fabiola Zapata Fernandez <\/strong><\/h2>\n<p>Los objetivos fundamentales de este trabajo se centraron en la s\u00edntesis de sensores moleculares de cationes y aniones, y en el estudio de sus propiedades electroqu\u00edmicas, colorim\u00e9tricas y fluorescentes en los procesos de reconocimiento. Los sensores moleculares dise\u00f1ados, son portadores de una o m\u00e1s unidades redox activas (ferroceno) y\/o unidades fluor\u00f3foras, conectadas mediante espaciadores que act\u00faan como centros de reconocimiento.  \tpara el reconocimiento de cationes met\u00e1licos, se han utilizado espaciadores ricos en \u00e1tomos de nitr\u00f3geno, que pueden ser tanto, agrupaciones aza-ac\u00edclicas: el 2-aza-1,3-butadieno, como aza-heteroc\u00edclicas: la piracina. Por otro lado, tambi\u00e9n se ha utilizado como aza-heterociclo el anillo de imidazol, cuyo grupo nh puede actuar como centro de reconocimiento de aniones.  \tla introducci\u00f3n de un \u00e1tomo de nitr\u00f3geno adicional presente en un anillo fusionado al aza-heterociclo (piracina o imidazol), permite la actuaci\u00f3n sin\u00e9rgica en  procesos de reconocimiento de cationes. De forma similar, se han dise\u00f1ado receptores que poseen dos anillos de imidazol, unidos mediante un anillo benc\u00e9nico o un anillo de bifenilo, lo que ha permitido la actuaci\u00f3n de los grupos nh, de manera sin\u00e9rgica cooperativa, en procesos de reconocimiento de aniones. \tcomo centro de se\u00f1alizaci\u00f3n del sensor se ha utilizado fundamentalmente una unidad fluor\u00f3fora de distinta naturaleza (antraceno, fenantrolina, naftilo), que se  combina con la actividad redox del ferroceno, presente en la gran mayor\u00eda de los receptores dise\u00f1ados. \tde esta manera, se ha podido acceder a sensores moleculares de diferentes cationes y aniones por tres canales: electroqu\u00edmico, fluorescente y colorim\u00e9trico.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>S\u00edntesis y propiedades electro-\u00f3pticas de sensores moleculares multicanal de cationes y aniones<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 S\u00edntesis y propiedades electro-\u00f3pticas de sensores moleculares multicanal de cationes y aniones <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Fabiola Zapata Fernandez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/11\/2009<\/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>Pedro Molina Buend\u00eda<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: tom\u00e1s Torres cebada <\/li>\n<li>angela Sastre santos (vocal)<\/li>\n<li>imma Ratera bastardas (vocal)<\/li>\n<li>Fernando Fernandez lazaro (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Fabiola Zapata Fernandez Los objetivos fundamentales de este trabajo se centraron en la s\u00edntesis de sensores moleculares [&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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