{"id":73487,"date":"2005-08-04T00:00:00","date_gmt":"2005-08-04T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-sistemas-de-liberacion-controlada-de-cloridazona-metribuzina-y-nitrato-amonico\/"},"modified":"2005-08-04T00:00:00","modified_gmt":"2005-08-04T00:00:00","slug":"estudio-de-sistemas-de-liberacion-controlada-de-cloridazona-metribuzina-y-nitrato-amonico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/estudio-de-sistemas-de-liberacion-controlada-de-cloridazona-metribuzina-y-nitrato-amonico\/","title":{"rendered":"Estudio de sistemas de liberaci\u00f3n controlada de cloridazona, metribuzina y nitrato am\u00f3nico"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Susana P\u00e9rez Garc\u00eda <\/strong><\/h2>\n<p>En la tesis presentada se ha abordado la preparaci\u00f3n, caracterizaci\u00f3n y evaluaci\u00f3n de sistemas de liberaci\u00f3n controlada de plaguicidas y fertilizantes, usando matrices biodegradables, al objeto de intentar reducir, tanto la contaminaci\u00f3n de las aguas subterr\u00e1naeas de la zona (factor condicionante- dados los escasos acu\u00edferos de la provincia de almer\u00eda- para la continuidad de esta floreciente actividad agr\u00edcola), como la del suelo y atm\u00f3sfera del invernadero, \u00e9sta \u00faltima con una incidencia directa sobre la salud de las personas que all\u00ed trabajan. para ello, se han investigado los siguientes aspectos: 1- revisi\u00f3n bibiogr\u00e1fica de la aplicaci\u00f3n de sistemas de liberaci\u00f3n cointrolada en diferentes campos (medicina, agricultura, etc.). Estudio sistem\u00e1tico de los plaguicidas y fertilizantes de uso m\u00e1s extendido en la horticultura de la provinvia de almer\u00eda, y que por sus caracter\u00edsticas f\u00edsico-qu\u00edmicas y formas de aplicaci\u00f3n, podr\u00edan ser susceptibles de alcanzar los acu\u00edferos subterr\u00e1neos. 2- puesta a punto de m\u00e9todos anal\u00edticos para el an\u00e1lisis de los plaguicidas (cloridazona y metribuzina) y fertilizantes (nitrato am\u00f3nico) seleccionados, ensayando paralelamente la adecuaci\u00f3n de los mismos a distintas formulaciones para su uso en sistemas de liberaci\u00f3n controlada. Se ha seleccionado la cromatograf\u00eda l\u00edquida de alta resoluci\u00f3n para el an\u00e1lisis de plaguicidas y la electroforesis capilar para el an\u00e1lisis del fertilizante. 3- realizaci\u00f3n del estudio del proceso de adsorci\u00f3n-desorci\u00f3n de los plaguicidas sobre las muestras de modificadores usados (bentonita, carb\u00f3n activo y antracita) en los sistemas de liberaci\u00f3n controlada. 4- dise\u00f1o, preparaci\u00f3n y caracterizaci\u00f3n de las formulaciones seleccionadas, tanto de plaguicidas como de fertilizante.  &#8211; se han preparado formulaciones de plaguicida usando dos t\u00e9cnicas diferentes: una encapsulaci\u00f3n del ingrediente activo con alginato, adicionado modificadores, y una fusi\u00f3n del ingre<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de sistemas de liberaci\u00f3n controlada de cloridazona, metribuzina y nitrato am\u00f3nico<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de sistemas de liberaci\u00f3n controlada de cloridazona, metribuzina y nitrato am\u00f3nico <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Susana P\u00e9rez Garc\u00eda <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Almer\u00eda<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 08\/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>Manuel Fern\u00e1ndez P\u00e9rez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Garc\u00eda rodr\u00edguez <\/li>\n<li>Juan Cornejo suero (vocal)<\/li>\n<li>Carlos Otero arean (vocal)<\/li>\n<li> Del rey bueno  Fernando (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Susana P\u00e9rez Garc\u00eda En la tesis presentada se ha abordado la preparaci\u00f3n, caracterizaci\u00f3n y evaluaci\u00f3n de sistemas [&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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