{"id":73142,"date":"2005-11-03T00:00:00","date_gmt":"2005-11-03T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/espectroscopa%c2%ada-sers-de-acidos-y-alfa-aminoacidos-aromaticos-monocarboxa%c2%adlicos\/"},"modified":"2005-11-03T00:00:00","modified_gmt":"2005-11-03T00:00:00","slug":"espectroscopa%c2%ada-sers-de-acidos-y-alfa-aminoacidos-aromaticos-monocarboxa%c2%adlicos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/espectroscopa%c2%ada-sers-de-acidos-y-alfa-aminoacidos-aromaticos-monocarboxa%c2%adlicos\/","title":{"rendered":"Espectroscop\u00edasers de \u00e1cidos y alfa-amino\u00e1cidos arom\u00e1ticos monocarbox\u00edlicos."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  L\u00f3pez Ram\u00edrez M. Rosa <\/strong><\/h2>\n<p>El objeto principal ha sido detectar la presencia de procesos de transferencia de carga en el mecanismo de intensificaci\u00f3n del fen\u00f3meno sers en una serie de \u00e1cidos monocarbox\u00edlicos derivados del benceno, y alfa-amino\u00e1cidos relacionados .Se han obtenido las siguientes conclusiones:  1.- Todas las mol\u00e9culas estudiadas se adsorben sobre el metal en su forma ani\u00f3nica a trav\u00e9s del grupo carboxilato, y enel caso de los amino\u00e1cidos tambi\u00e9n a trav\u00e9s del grupo amino.  2.- Comparando las intensidades sers-ct te\u00f3ricas obtenidas a partir de la ecuaci\u00f3n de peticolas con las experimentales, se ha podido demostrar en todos los casos la presencia de porcesos resonantes de transferencia de carga entre el metal y el adsorbato que son responsables de la intensificaci\u00f3n selectiva de las bandas sers observadas expetrimentalmente.  3.- Todos los sistemas estudiados soportan dos cargas negativas en el estado excitado de transferencia de carga.Este es un resultado novedoso ya que en el caso de los adsorbatos neutros anteriormente estudiados tales como piridina, y similares, es la especia monoami\u00f3nica la que est\u00e1 implicada en el proceso sers-ct.  4.- Las diferencias entre las. Energ\u00eda ab initio delos estados fundamentales de las especies implicadas en el proceso ct en el caso de los aniones derivados de los \u00e1cidos y amino\u00e1cidos (de (d-s)=5-6 ev )son mayores que en el caso de los adsorbatos neutros (1.5-2 ev).  5.- En todos los caos las caracteristicas ct se han detectadoi a potenciales m\u00e1s positivos que en el caso priridina, como corresponde a que , la transferencia de carga est\u00e1 m\u00e1s farorecida en los carboxilatos que en piridina.  6.- La carga transferida desde el metal al adsorbato se aloja en el anillo arom\u00e1tico y las bandas m\u00e1s intensificadas corresponden a fundamenatales totalmente sim\u00e9tricos ,  especialmente 8a.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Espectroscop\u00edasers de \u00e1cidos y alfa-amino\u00e1cidos arom\u00e1ticos monocarbox\u00edlicos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Espectroscop\u00edasers de \u00e1cidos y alfa-amino\u00e1cidos arom\u00e1ticos monocarbox\u00edlicos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  L\u00f3pez Ram\u00edrez M. Rosa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 M\u00e1laga<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/03\/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>Juan  Carlos Otero Fern\u00e1ndez De Molina<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Arenas rosado Juan  Francisco <\/li>\n<li>Juan  Manuel P\u00e9rez mart\u00ednez (vocal)<\/li>\n<li>estanislao Silla santos (vocal)<\/li>\n<li>Juan  Carlos Alonso l\u00f3pez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de L\u00f3pez Ram\u00edrez M. Rosa El objeto principal ha sido detectar la presencia de procesos de transferencia de [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[651,199,7834,560],"tags":[24740,12385,71945,46132,19339,158847],"class_list":["post-73142","post","type-post","status-publish","format-standard","hentry","category-espectroscopia-molecular-en-quimica-fisica","category-fisica","category-malaga","category-quimica-fisica","tag-arenas-rosado-juan-francisco","tag-estanislao-silla-santos","tag-juan-carlos-alonso-lopez","tag-juan-carlos-otero-fernandez-de-molina","tag-juan-manuel-perez-Martinez","tag-lopez-ramirez-m-rosa"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/73142","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=73142"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/73142\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=73142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=73142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=73142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}