{"id":10204,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1996\/01\/01\/biogeoquimica-de-alquilgliceroles-y-otros-lipidos-en-sistemas-deposicionales-hipersalinos\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"biogeoquimica-de-alquilgliceroles-y-otros-lipidos-en-sistemas-deposicionales-hipersalinos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/biogeoquimica-de-alquilgliceroles-y-otros-lipidos-en-sistemas-deposicionales-hipersalinos\/","title":{"rendered":"Biogeoquimica de alquilgliceroles y otros lipidos en sistemas deposicionales hipersalinos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pilar Teixidor Casamitjana <\/strong><\/h2>\n<p>El estudio de la composicion de alquilglicerol eteres en distintos sistemas evaporiticos antiguos y recientes ha puesto de manifiesto la presencia de isopranilglicerol eteres (bis-o-fitanilglicerol y o-fitanil-o-sesterterpanilglicerol) como indicadores arqueobacterianos. El estudio de diversas arqueobacterias (metanogenas y halofilas) ha permitido asignar el origen del o-fitanil-o-sesterterpanilglicerol a bacterias halofilas del genero halococcus. Mediante la tecnica de cromatografia de gases-espectrometria de masas usando condiciones de alta temperatura, se obtiene una elevada sensibilidad para estos compuestos en mezclas complejas procedentes de extractos de muestras ambientales.  se caracterizan las fuentes principales de materia organica y los procesos diageneticos mas importantes en dos tapices microbianos formados en ambientes evaporiticos, mediante su estudio biogeoquimico a escala submilimetrica. De esta manera se consigue un mejor conocimiento de los sistemas evaporiticos.  la identificacion de los lipidos preservados en halitas antiguas permite caracterizar las fuentes de materia organica y ayudar a la reconstruccion del modelo deposicional que ha permitido la formacion de cuencas salinas generadas en el pasado geologico.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Biogeoquimica de alquilgliceroles y otros lipidos en sistemas deposicionales hipersalinos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Biogeoquimica de alquilgliceroles y otros lipidos en sistemas deposicionales hipersalinos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pilar Teixidor Casamitjana <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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>Juan Grimalt Obrador<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Enrique Casassas Simo <\/li>\n<li>Ram\u00f3n Juli\u00e1 Brugu\u00e9s (vocal)<\/li>\n<li>Angel Messeguer Peypoch (vocal)<\/li>\n<li>Carlos Abella Ametller (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pilar Teixidor Casamitjana El estudio de la composicion de alquilglicerol eteres en distintos sistemas evaporiticos antiguos y [&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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