{"id":742,"date":"2011-10-17T13:46:04","date_gmt":"2011-10-17T13:46:04","guid":{"rendered":"https:\/\/www.cnpem.staging.wpengine.com\/?p=742"},"modified":"2026-03-03T10:13:36","modified_gmt":"2026-03-03T13:13:36","slug":"pequenas-doses","status":"publish","type":"post","link":"https:\/\/cnpem.br\/en\/pequenas-doses\/","title":{"rendered":"Pequenas doses"},"content":{"rendered":"<p><em>Pesquisa FAPESP Online, em 14\/10\/2011<\/em><\/p>\n<p style=\"text-align: justify;\">Um experimento realizado nos laborat\u00f3rios nacionais de Luz S\u00edncrotron (LNLS) e de Bioci\u00eancias (LNBio), em Campinas, fracionou de forma seletiva nanopart\u00edculas de prata para a obten\u00e7\u00e3o de melhor resposta na elimina\u00e7\u00e3o de bact\u00e9rias.<\/p>\n<div style=\"text-align: justify;\">\u201cMostramos que nanopart\u00edculas com tamanho de 17 nan\u00f4metros apresentam os melhores resultados em experimentos <em>in vitro <\/em>contra quatro tipos de bact\u00e9rias [<em>Escherichia coli, Staphylococcus aureus, S. epidermis <\/em>e<em> Micrococcus lysodeikticus<\/em>]\u201d, diz Mateus Borba Cardoso, pesquisador do LNLS.<\/div>\n<div style=\"text-align: justify;\">\u201cO tamanho da nanopart\u00edcula faz uma diferen\u00e7a brutal.\u201d O uso dessas part\u00edculas \u00e9 uma solu\u00e7\u00e3o j\u00e1 incorporada, por exemplo, em linhas de instrumentos cir\u00fargicos no Brasil e no exterior.<\/div>\n<div style=\"text-align: justify;\">O desenvolvimento da t\u00e9cnica de fracionamento poder\u00e1 tamb\u00e9m possibilitar o uso de nanopart\u00edculas em antibi\u00f3ticos. O estudo foi capa da revista <em>Journal of Materials Chemistry<\/em>, n\u00famero 33, de setembro.<\/div>\n<div style=\"text-align: justify;\">Para Mateus, o trabalho mostrou a possibilidade do uso de nanopart\u00edculas associadas a antibi\u00f3ticos para diminuir a resist\u00eancia aos microrganismos e encontrar, em novas pesquisas, por exemplo, o tamanho ideal para combater o v\u00edrus HIV relacionado \u00e0 Aids.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pesquisa FAPESP Online, em 14\/10\/2011 Um experimento realizado nos laborat\u00f3rios nacionais de Luz S\u00edncrotron (LNLS) e de Bioci\u00eancias (LNBio), em Campinas, fracionou de forma seletiva nanopart\u00edculas de prata para a&hellip;<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1163,179,12],"tags":[231,1192,8,958],"class_list":["post-742","post","type-post","status-publish","format-standard","hentry","category-clipping-cnpem","category-clipping-lnbio","category-clipping-lnls","tag-anel-sincrotron","tag-lnbio","tag-lnls","tag-pequenas-doses","category-1163","category-179","category-12","description-off"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - 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