{"id":1573,"date":"2026-08-17T17:32:14","date_gmt":"2026-08-17T15:32:14","guid":{"rendered":"https:\/\/infoimasd.com\/?p=1573"},"modified":"2026-08-17T17:32:15","modified_gmt":"2026-08-17T15:32:15","slug":"materiales-antimicrobianos-csic-resistencia-antibioticos","status":"publish","type":"post","link":"https:\/\/infoimasd.com\/index.php\/2026\/08\/17\/materiales-antimicrobianos-csic-resistencia-antibioticos\/","title":{"rendered":"Materiales antimicrobianos: la investigaci\u00f3n del CSIC que busca prevenir las infecciones"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>La resistencia a los antimicrobianos se ha convertido en una de las principales amenazas para la salud p\u00fablica<\/strong>. A medida que algunas bacterias dejan de responder a los antibi\u00f3ticos disponibles, la investigaci\u00f3n cient\u00edfica busca nuevas estrategias que permitan combatir las infecciones sin depender exclusivamente de nuevos f\u00e1rmacos.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Una de las v\u00edas que est\u00e1 cobrando fuerza es el <strong>desarrollo de materiales antimicrobianos<\/strong> capaces de impedir la colonizaci\u00f3n de bacterias o destruirlas mediante mecanismos f\u00edsicos y qu\u00edmicos. <strong>Varios grupos del Consejo Superior de Investigaciones Cient\u00edficas <a href=\"https:\/\/infoimasd.com\/index.php\/2026\/07\/16\/csic-memoria-anual-2025-publicaciones-cientificas-innovacion\/\" data-type=\"post\" data-id=\"1151\">(CSIC)<\/a> trabajan en superficies y materiales<\/strong> destinados a hospitales, implantes m\u00e9dicos, industria alimentaria, agricultura y otros \u00e1mbitos. El objetivo es actuar antes de que la infecci\u00f3n se establezca, reduciendo adem\u00e1s el riesgo de favorecer nuevas resistencias. Uno de los problemas m\u00e1s importantes asociados a pr\u00f3tesis y dispositivos m\u00e9dicos es la formaci\u00f3n de biofilms, estructuras que las bacterias crean al adherirse a una superficie y que dificultan posteriormente su eliminaci\u00f3n. <\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>El grupo Copromat del Centro Nacional de Investigaciones Metal\u00fargicas (CENIM-<a href=\"https:\/\/infoimasd.com\/index.php\/2026\/08\/13\/nanomaterial-csic-reduce-calor-sin-electricidad\/\" data-type=\"post\" data-id=\"1532\">CSIC<\/a>), dirigido por Ana Conde del Campo, trabaja desde hace casi dos d\u00e9cadas<\/strong> en superficies met\u00e1licas antimicrobianas para reducir este riesgo. Su estrategia consiste en modificar el titanio de los implantes mediante una capa de \u00f3xido de titanio con fl\u00faor y una estructura nanotubular. Esta superficie dificulta la adhesi\u00f3n bacteriana y, adem\u00e1s, puede utilizarse para incorporar antibi\u00f3ticos y reforzar su acci\u00f3n.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Los resultados obtenidos muestran una eliminaci\u00f3n de m\u00e1s del 95% de las bacterias depositadas sobre estas superficies sin perjudicar la integraci\u00f3n del implante en el hueso. <\/strong>La misma tecnolog\u00eda se ha aplicado tambi\u00e9n a otros metales utilizados en hospitales y en la industria alimentaria. Los tratamientos desarrollados consiguen reducir entre un 90% y un 98% la adhesi\u00f3n de bacterias como E. coli, Salmonella o Listeria.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Materiales que dificultan la adhesi\u00f3n de las bacterias<\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Otra estrategia consiste en modificar la arquitectura de las superficies para controlar la interacci\u00f3n entre los microorganismos y los materiales. <strong>El equipo de Enrique Mart\u00ednez-Campos, del Instituto de Ciencia y Tecnolog\u00eda de Pol\u00edmeros (ICTP-<a href=\"https:\/\/infoimasd.com\/index.php\/2026\/07\/19\/csic-interferon-alzheimer-mujeres-neuroinflamacion\/\" data-type=\"post\" data-id=\"1175\">CSIC<\/a>), desarrolla superficies con miles de microporos organizados en estructuras similares a un panal.<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Estas cavidades modifican el comportamiento de las bacterias sobre el material, dificultando su supervivencia, al tiempo que permiten el crecimiento de c\u00e9lulas humanas. El grupo investiga tambi\u00e9n la incorporaci\u00f3n de grupos fluorados y el uso de t\u00e9cnicas de impresi\u00f3n 2D y 3D para dise\u00f1ar superficies con propiedades antimicrobianas espec\u00edficas. Para estudiar su comportamiento en condiciones m\u00e1s pr\u00f3ximas a las reales, <strong>los investigadores han desarrollado adem\u00e1s un modelo de piel humana cultivada en laboratorio que permite analizar la respuesta de los tejidos frente a las infecciones.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" data-src=\"https:\/\/infoimasd.com\/wp-content\/uploads\/2026\/08\/Enrique-Martinez-Campos-en-su-laboratorio-del-ICTP-1024x683.jpg\" alt=\"\" class=\"wp-image-1575 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/683;\" \/><figcaption class=\"wp-element-caption\">Enrique Mart\u00ednez Campos, en su laboratorio del ICTP.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Eliminar bacterias mediante luz<\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>En el Instituto de Ciencia de Materiales de Barcelona (ICMAB-CSIC), el grupo de Rosario N\u00fa\u00f1ez trabaja con una estrategia diferente: la terapia fotodin\u00e1mica antimicrobiana<\/strong>. El sistema utiliza mol\u00e9culas sensibles a la luz que, al ser irradiadas en presencia de ox\u00edgeno, generan especies reactivas capaces de destruir microorganismos. El equipo ha desarrollado mol\u00e9culas de la familia de los <strong>BODIPY yodados<\/strong>, con las que ha conseguido eliminar cultivos de bacterias como <em>Staphylococcus aureus<\/em> y <em>Enterococcus faecium<\/em> mediante luz verde.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Una de las ventajas de esta tecnolog\u00eda es que la actividad antimicrobiana se puede activar de forma localizada mediante la iluminaci\u00f3n<\/strong>. Esto permite plantear aplicaciones en desinfecci\u00f3n de superficies y dispositivos m\u00e9dicos y, al mismo tiempo, dificulta que las bacterias desarrollen mecanismos de resistencia frente al tratamiento.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"594\" data-src=\"https:\/\/infoimasd.com\/wp-content\/uploads\/2026\/08\/Bacteria-\u2018Staphylococcus-aureus-1024x594.jpg\" alt=\"\" class=\"wp-image-1576 lazyload\" data-srcset=\"https:\/\/infoimasd.com\/wp-content\/uploads\/2026\/08\/Bacteria-\u2018Staphylococcus-aureus-1024x594.jpg 1024w, https:\/\/infoimasd.com\/wp-content\/uploads\/2026\/08\/Bacteria-\u2018Staphylococcus-aureus-300x174.jpg 300w, https:\/\/infoimasd.com\/wp-content\/uploads\/2026\/08\/Bacteria-\u2018Staphylococcus-aureus-768x446.jpg 768w, https:\/\/infoimasd.com\/wp-content\/uploads\/2026\/08\/Bacteria-\u2018Staphylococcus-aureus-1536x891.jpg 1536w, https:\/\/infoimasd.com\/wp-content\/uploads\/2026\/08\/Bacteria-\u2018Staphylococcus-aureus-2048x1188.jpg 2048w, https:\/\/infoimasd.com\/wp-content\/uploads\/2026\/08\/Bacteria-\u2018Staphylococcus-aureus-1320x766.jpg 1320w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/594;\" \/><figcaption class=\"wp-element-caption\">Bacteria \u2018Staphylococcus aureus\u2019.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Incorporar defensas naturales a los dispositivos m\u00e9dicos<\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>La prevenci\u00f3n de infecciones asociadas a cat\u00e9teres es otra de las l\u00edneas desarrolladas por Imma Ratera, del ICMAB-CSIC y del CIBER-BBN. <\/strong>Su grupo ha modificado superficies de pol\u00edmeros utilizados en dispositivos m\u00e9dicos, como el poliuretano termopl\u00e1stico, mediante monocapas de mol\u00e9culas autoensambladas. Sobre ellas han conseguido anclar de forma estable la <strong>\u03b1-defensina 5<\/strong>, una prote\u00edna antimicrobiana humana. La modificaci\u00f3n proporciona a la superficie propiedades antibacterianas y dificulta la formaci\u00f3n de biofilms. La estrategia busca que el propio dispositivo incorpore una defensa frente a la colonizaci\u00f3n bacteriana desde el momento de su utilizaci\u00f3n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Un enfoque que va m\u00e1s all\u00e1 de la salud humana<\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>La investigaci\u00f3n del CSIC tambi\u00e9n aborda la resistencia antimicrobiana desde una perspectiva One Health, que integra la salud humana, animal y ambiental. En el Centro de Investigaci\u00f3n en Nanomateriales (CINN-CSIC), el equipo de Bel\u00e9n Cabal \u00c1lvarez<\/strong> desarrolla materiales antimicrobianos inorg\u00e1nicos para distintas aplicaciones. Entre ellas se encuentran recubrimientos destinados a implantes dentales para reducir la formaci\u00f3n de biofilms asociados a la periimplantitis. La investigaci\u00f3n tambi\u00e9n se extiende a la sanidad animal y al desarrollo de materiales destinados a controlar microorganismos que afectan a cultivos agr\u00edcolas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Prevenir en lugar de combatir despu\u00e9s<\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Las diferentes investigaciones desarrolladas en el CSIC muestran una evoluci\u00f3n en la estrategia frente a la resistencia antimicrobiana. La soluci\u00f3n no pasa \u00fanicamente por descubrir nuevos antibi\u00f3ticos, sino tambi\u00e9n por <strong>dise\u00f1ar materiales capaces de impedir que las bacterias se adhieran, formen biofilms o sobrevivan sobre determinadas superficies.<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Implantes que dificultan la colonizaci\u00f3n, superficies capaces de atrapar microorganismos, materiales activados mediante luz o dispositivos m\u00e9dicos que incorporan defensas antimicrobianas son algunas de las v\u00edas que se est\u00e1n explorando. En un contexto en el que cada vez resulta m\u00e1s dif\u00edcil tratar determinadas infecciones con los antibi\u00f3ticos existentes, <strong>convertir las propias superficies en una barrera frente a los microorganismos puede ser una pieza clave para reducir la propagaci\u00f3n de infecciones y limitar la aparici\u00f3n de nuevas resistencias<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Varios grupos del CSIC desarrollan materiales antimicrobianos capaces de dificultar la adhesi\u00f3n de bacterias, impedir la formaci\u00f3n de biofilms o destruir microorganismos mediante luz. Estas tecnolog\u00edas buscan prevenir infecciones y reducir la dependencia de los antibi\u00f3ticos.<\/p>\n","protected":false},"author":1,"featured_media":1574,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[11],"tags":[676,379,179,8,673,503,672,674],"class_list":["post-1573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-investigacion","tag-antibioticos","tag-biotecnologia","tag-csic","tag-investigacion","tag-materiales-antimicrobianos","tag-nanotecnologia","tag-resistencia-antimicrobiana","tag-salud"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - 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