{"id":1339,"date":"2026-09-21T03:59:19","date_gmt":"2026-09-21T01:59:19","guid":{"rendered":"https:\/\/plazapublica.online\/?p=1339"},"modified":"2026-09-21T04:00:16","modified_gmt":"2026-09-21T02:00:16","slug":"analizan-investigadoras-del-ipn-presencia-de-nano-y-microplasticos-en-el-cuerpo-humano","status":"publish","type":"post","link":"https:\/\/plazapublica.online\/?p=1339","title":{"rendered":"Analizan investigadoras del IPN presencia de nano y micropl\u00e1sticos en el cuerpo humano"},"content":{"rendered":"<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">Un grupo de investigaci\u00f3n del Centro Interdisciplinario de Investigaciones y Estudios sobre Medio Ambiente y Desarrollo (CIIEMAD), del Instituto Polit\u00e9cnico Nacional (IPN), realiz\u00f3 un estudio de biomonitoreo humano en sangre y orina, el primero en su tipo, para identificar y analizar la presencia de nano y micropl\u00e1sticos en el cuerpo humano.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">El trabajo encabezado por la doctora Laura Arreola Mendoza contempl\u00f3 el an\u00e1lisis de 10 pol\u00edmeros pl\u00e1sticos en 98 habitantes de una comunidad de Corralero, Oaxaca, con el prop\u00f3sito de conocer su comportamiento en el organismo y aportar informaci\u00f3n sobre la exposici\u00f3n ambiental a estos materiales.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">La investigaci\u00f3n fue publicada en la revista Environmental Pollution, especializada en temas medioambientales y ya registra sus primeras citas a nivel mundial; cuenta con la colaboraci\u00f3n del Consejo Superior de Investigaciones Cient\u00edficas (CSIC) de Barcelona, \u200b\u200bEspa\u00f1a, que permite acceder a tecnolog\u00eda especializada para el estudio de micropl\u00e1sticos en ambas matrices biol\u00f3gicas lo que aument\u00f3 la capacidad de an\u00e1lisis de las muestras.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">El proyecto responde a la estrategia de la Presidenta Claudia Sheinbaum y del secretario de Educaci\u00f3n P\u00fablica Mario Delgado Carrillo, enfocado en generar conocimiento desde las instituciones p\u00fablicas que permitan combatir posibles afectaciones a la salud.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">Los micro y nanopl\u00e1sticos (MNPs) constituyen un contaminante ambiental cuya presencia se ha documentado en diversas matrices ambientales, sin embargo, ante su amplia manifestaci\u00f3n, es necesario conocer si tambi\u00e9n estas part\u00edculas pueden incorporarse al organismo humano.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">De acuerdo con la doctora Arreola Mendoza, uno de los principales hallazgos fue que m\u00e1s del 70 por ciento de las part\u00edculas identificadas en las muestras de sangre corresponden a fibras, mientras que en la orina se encontr\u00f3 una proporci\u00f3n m\u00e1s equilibrada entre fibras y fragmentos.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">Se observaron diferencias en el comportamiento de algunos pol\u00edmeros, como el N66 o nylon, cuya presencia fue mayor en sangre que en orina, resultado que plantea la posibilidad de una mayor retenci\u00f3n de este material en el organismo, aunque esta hip\u00f3tesis deber\u00e1 ser confirmada mediante estudios posteriores.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">El equipo encontr\u00f3 adem\u00e1s pol\u00edmeros como NBR y poliestireno, relacionados con materiales presentes en el caucho de las llantas, lo que abre nuevas preguntas sobre las fuentes ambientales de exposici\u00f3n y la manera en que estos residuos llegan a los ecosistemas y posteriormente al organismo humano.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">La doctora Arreola Mendoza destaca que la investigaci\u00f3n propone una trayectoria y un manejo de los pol\u00edmeros pl\u00e1sticos en el organismo. Recuerda que estos micropl\u00e1sticos adem\u00e1s pueden convertirse en vectores \u201cque transportan otro tipo de agentes qu\u00edmicos o biol\u00f3gicos, incluso metales carcin\u00f3genos debido a que los pl\u00e1sticos pueden contener aditivos y tambi\u00e9n interactuar con otros contaminantes presentes en el ambiente\u201d.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">\u201cEste trabajo pone a M\u00e9xico en la frontera del conocimiento, del experticia t\u00e9cnica y de la ciencia en el campo de micro y nanopl\u00e1sticos en humanos a nivel mundial\u201d, se\u00f1al\u00f3 la experta del Sistema Nacional de Investigadoras e Investigadores (SNII), Nivel 2.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">El estudio contin\u00faa con el procesamiento de informaci\u00f3n y el an\u00e1lisis de los resultados obtenidos con el objetivo de generar evidencia cient\u00edfica que permita comprender con mayor precisi\u00f3n la presencia, distribuci\u00f3n y comportamiento de los nano y micropl\u00e1sticos en el organismo humano.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\"><span dir=\"auto\" style=\"vertical-align: inherit\">La doctora Arreola Mendoza destac\u00f3 que uno de los retos consiste en comprender que la contaminaci\u00f3n por pl\u00e1sticos no termina cuando los residuos son desechados, ya que estos materiales pueden fragmentarse y reincorporarse al ambiente. \u201cSi la gente supiera que hoy lo tiras y ma\u00f1ana lo respiras o lo ingieres, otra cosa ser\u00eda\u201d, expres\u00f3.<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un grupo de investigaci\u00f3n del Centro Interdisciplinario de Investigaciones y Estudios sobre Medio Ambiente y Desarrollo (CIIEMAD), del Instituto Polit\u00e9cnico Nacional (IPN), realiz\u00f3 un estudio de biomonitoreo humano en sangre &hellip; <\/p>\n","protected":false},"author":4,"featured_media":1340,"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,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[199,74],"tags":[470,115,469],"class_list":["post-1339","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-especiales","category-pais","tag-cuerpo-humano","tag-ipn","tag-nano-plasticos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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