{"id":105932,"date":"2018-03-11T10:29:38","date_gmt":"2018-03-11T10:29:38","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/development-of-analytical-methods-for-the-determination-of-alkylphenols-and-estrogens-in-environmental-samples\/"},"modified":"2018-03-11T10:29:38","modified_gmt":"2018-03-11T10:29:38","slug":"development-of-analytical-methods-for-the-determination-of-alkylphenols-and-estrogens-in-environmental-samples","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica-analitica\/development-of-analytical-methods-for-the-determination-of-alkylphenols-and-estrogens-in-environmental-samples\/","title":{"rendered":"Development of analytical methods for the determination of alkylphenols and estrogens in environmental samples"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Asier Vallejo Ruiz <\/strong><\/h2>\n<p>Compuestos tales como con las hormonas y los alquil fenoles, son considerados contaminantes emergentes por la directiva de marco de aguas europea, por su capacidad de perturbar el desarrollo del sistema endocrino de diferentes especies. Por esa raz\u00f3n el desarrollo de nuevos m\u00e9todos anal\u00edticos para su cuantificaci\u00f3n esta siendo un reto durante los \u00faltimos a\u00f1os. en esta tesis doctoral se han optimizado y desarrollo m\u00e9todos anal\u00edticos de rutina para la determinaci\u00f3n de estr\u00f3genos y alquil fenoles en aguas de estuario, plantas de tratamiento de aguas residuales y tejidos de peces. se han acelerado procesos rutinarios para la hidr\u00f3lisis enzim\u00e1tica de los compuestos presentes en bilis de pez mediante ultrasonidos focalizado rebajando las 16 horas a 20 minutos, optimizando el m\u00e9todo mediante dise\u00f1os experimentales. del mismo modo se ha acelerado el proceso de derivatizaci\u00f3n de los compuestos mediante energ\u00eda de ultrasonidos rebajando la hora com\u00fanmente utilizada a 10 min, optimizando el m\u00e9todo mediante dise\u00f1os experimentales. se ha optimizado y comparado la extracci\u00f3n de los compuestos en fish homogenate mediante la extracci\u00f3n en microondas y ultrasonido focalizado para su determinaci\u00f3n mediante cromatograf\u00eda de gases acoplada a espectrometr\u00eda de masas. se han sintetizado octilfenoles y nonilfenoles para su posterior separaci\u00f3n, identificaci\u00f3n y cuantificaci\u00f3n en una mezcla comercial de nonilfenoles, mediante su separaci\u00f3n y determinaci\u00f3n mediante cromatograf\u00eda de gases integrada de dos dimensiones (gcxgc) acoplada a espectrometr\u00eda de masas. La separaci\u00f3n cromatogr\u00e1fica fue optimizada mediante dise\u00f1os experimantales. se han sintetizado nonilfenoles glucuronidos, comercialmente no disponibles para la optimizaci\u00f3n de la hidr\u00f3lisis enzim\u00e1tica mediante ultrasonidos focalizado.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Development of analytical methods for the determination of alkylphenols and estrogens in environmental samples<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Development of analytical methods for the determination of alkylphenols and estrogens in environmental samples <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Asier Vallejo Ruiz <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/12\/2010<\/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>Aresatz Usobiaga Epelde<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis angel Fernandez cuadrado <\/li>\n<li>christophe Marcic (vocal)<\/li>\n<li>Miguel De la guardia cirugeda (vocal)<\/li>\n<li>monika Moder (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Asier Vallejo Ruiz Compuestos tales como con las hormonas y los alquil fenoles, son considerados contaminantes emergentes [&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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