{"id":73776,"date":"2018-03-09T23:18:42","date_gmt":"2018-03-09T23:18:42","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/contribucion-a-la-determinacion-de-contaminantes-polares-en-muestras-medioambientales-mediante-microextracion-en-fase-solida-y-cromatografa%c2%adca-de-gases\/"},"modified":"2018-03-09T23:18:42","modified_gmt":"2018-03-09T23:18:42","slug":"contribucion-a-la-determinacion-de-contaminantes-polares-en-muestras-medioambientales-mediante-microextracion-en-fase-solida-y-cromatografa%c2%adca-de-gases","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/contribucion-a-la-determinacion-de-contaminantes-polares-en-muestras-medioambientales-mediante-microextracion-en-fase-solida-y-cromatografa%c2%adca-de-gases\/","title":{"rendered":"Contribuci\u00f3n a la determinaci\u00f3n de contaminantes polares en muestras medioambientales mediante microextraci\u00f3n en fase s\u00f3lida y cromatograf\u00edca de gases"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Josefina Carpinteiro Botana <\/strong><\/h2>\n<p>En esta tesis doctoral se describe el desarrollo y mejora de metodolog\u00eda analitica para la determinaci\u00f3n de contaminantes emergentes y prioritarios de naturaleza org\u00e1nica y organomet\u00e1lica (organoest\u00e1nnicos, f\u00e1rmacos antiinflamatorios y estr\u00f3genos)en nuestras medioambientales (agua y sedimientos)mediante cromatograf\u00eda de gases acoplada a espectroscop\u00eda at\u00f3mica con plasma de helio inducido por microondas (mip-aes) y a espectrometr\u00eda de masas simples ms y en tandem ms-ms.La preparaci\u00f3n de las muestras se ha centrado en el empleo de la microextraci\u00f3n en fase s\u00f3lida spme como m\u00e9todo de concentraci\u00f3n.  la selecci\u00f3n de los tres grupos de analitos consideramos en la memoria se ha realizado debido a su inter\u00e9s medioambiental , en base a par\u00e1metros tales como toxicidad, distribuci\u00f3n , legislaci\u00f3n , persistencia, y actividad disruptora sobre el metabolismo de organismos vivos.  uno de los objetivos b\u00e1sicos perseguidos en esta memor\u00eda ha sido el desarrollo y optimizaci\u00f3n de m\u00e9todos de derivatizaci\u00f3n que posibiliten la determinaci\u00f3n de analitos polares mediante cromatograf\u00eda de gases y sean compativles con la utilizaci\u00f3n de la spme como t\u00e9cnica de preparaci\u00f3n de muestra.Para ello se consideraron tanto la derevatizaci\u00f3n delos mismos en la propia muestra , previamente a su concentraci\u00f3n , como posteriormente a su incorporaci\u00f3n sobre la fibra de microextraci\u00f3n derivaci\u00f3n en medio anhidro .Concretamente , esta \u00faltima modalidad ha permitido abordar el estudio mediante spme y cromatograf\u00eda de gases de compuestos de naturaleza \u00e1cida y polar, difilmente derivatizables en la propia muestra , que ,hasta este momento ,no hab\u00edan podido ser determinados de maner satisfactoria en mestras reales utilizando las herramientas anteriormente descritas.Adem\u00e1s , tambi\u00e9n se estudi\u00f3 la posibilada de minimizar la duraci\u00f3n y el coste delos procedimientos desarrollados , reduciendo la duraci\u00f3n de algunas de las etapas considradas e<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Contribuci\u00f3n a la determinaci\u00f3n de contaminantes polares en muestras medioambientales mediante microextraci\u00f3n en fase s\u00f3lida y cromatograf\u00edca de gases<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Contribuci\u00f3n a la determinaci\u00f3n de contaminantes polares en muestras medioambientales mediante microextraci\u00f3n en fase s\u00f3lida y cromatograf\u00edca de gases <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Josefina Carpinteiro Botana <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 29\/04\/2005<\/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>Isaac Rodr\u00edguez Pereiro<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Cela torrijos <\/li>\n<li> Garc\u00eda alonso Jos\u00e9 ignacio (vocal)<\/li>\n<li>carmen Camara rico (vocal)<\/li>\n<li> De diego rodr\u00edguez Alberto (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Josefina Carpinteiro Botana En esta tesis doctoral se describe el desarrollo y mejora de metodolog\u00eda analitica para [&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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