{"id":78278,"date":"2018-03-09T23:23:54","date_gmt":"2018-03-09T23:23:54","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/preparacion-enximatica-de-flimes-biodegradables-de-quitosana-y-protea%c2%adnas-del-suero-de-la-leche-aplicaciones-medioambientales\/"},"modified":"2018-03-09T23:23:54","modified_gmt":"2018-03-09T23:23:54","slug":"preparacion-enximatica-de-flimes-biodegradables-de-quitosana-y-protea%c2%adnas-del-suero-de-la-leche-aplicaciones-medioambientales","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/preparacion-enximatica-de-flimes-biodegradables-de-quitosana-y-protea%c2%adnas-del-suero-de-la-leche-aplicaciones-medioambientales\/","title":{"rendered":"Preparaci\u00f3n enxim\u00e1tica de flimes biodegradables de quitosana y prote\u00ednas del suero de la leche. aplicaciones medioambientales"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Belkis Chico V\u00e9liz <\/strong><\/h2>\n<p>Debido al considerable impacto negativo de los pol\u00edmeros sint\u00e9ticos derivados del propio progreso socio-econ\u00f3mico alcanzado por la humanidad, se impone la sustituci\u00f3n de este tipo de compuestos por materiales compatibles con el medio ambiente. El objetivo del presente trabajo ha sido preparar enzim\u00e1ticamente y caracterizar filmes biodegradables de quitosana y prote\u00ednas, as\u00ed como evaluar sus posibles usos medioambientales. Como materia prima para la preparaci\u00f3n de la quitosana se utiliz\u00f3 la quitina obtenida a partir de carapachos de langostas. Ambas sustancias fueron caracterizadas estructuralmente. Se desarroll\u00f3 un m\u00e9todo enzim\u00e1tico para la preparaci\u00f3n de filmes de quitosana con prote\u00ednas del suero de la leche mediante entrecruzamiento intermolecular catalizado por la transglutaminasa, lo cual fue comprobado por espectroscopia ft-ir y an\u00e1lisis t\u00e9rmico diferencial. Los filmes fueron caracterizados mediante microscop\u00eda electr\u00f3nica de barrido, comprob\u00e1ndose adem\u00e1s sus propiedades de biodegradabilidad frente a la acci\u00f3n de proteasas. Asimismo, se determin\u00f3 la influencia del contenido de prote\u00ednas sobre las propiedades mec\u00e1nicas, de hinchamiento y de permeabilidad de los filmes a diferentes gases, demostr\u00e1ndose que presentaban caracter\u00edsticas superiores a las del pol\u00edmero base y a las de varios filmes de pol\u00edmeros sint\u00e9ticos.  los materiales f\u00edlmicos preparados presentaron buena capacidad de adsorci\u00f3n frente a colorantes ani\u00f3nicos y metales pesados, as\u00ed como en procesos de inmovilizaci\u00f3n de la enzima catalasa. Con los resultados anteriores se corrobora que los filmes de quitosana y prote\u00ednas del suero de la leche preparados enzim\u00e1ticamente pueden ser sustitutos biodegradables de los actuales materiales de naturaleza sint\u00e9tica.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Preparaci\u00f3n enxim\u00e1tica de flimes biodegradables de quitosana y prote\u00ednas del suero de la leche. aplicaciones medioambientales<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Preparaci\u00f3n enxim\u00e1tica de flimes biodegradables de quitosana y prote\u00ednas del suero de la leche. aplicaciones medioambientales <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Belkis Chico V\u00e9liz <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Girona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/01\/2006<\/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>Reynaldo Vilalonga<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: carles Pla zanuy <\/li>\n<li> De la torre yugueros florencio (vocal)<\/li>\n<li>joan Pujol planella (vocal)<\/li>\n<li>giraldo Martin martin (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Belkis Chico V\u00e9liz Debido al considerable impacto negativo de los pol\u00edmeros sint\u00e9ticos derivados del propio progreso socio-econ\u00f3mico [&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":[27,18809],"tags":[168306,40920,168308,168309,62779,168307],"class_list":["post-78278","post","type-post","status-publish","format-standard","hentry","category-ciencias-de-la-tierra-y-del-espacio","category-girona","tag-belkis-chico-veliz","tag-carles-pla-zanuy","tag-de-la-torre-yugueros-florencio","tag-giraldo-martin-martin","tag-joan-pujol-planella","tag-reynaldo-vilalonga"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/78278","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=78278"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/78278\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=78278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=78278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=78278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}