{"id":9017,"date":"2022-09-22T16:21:00","date_gmt":"2022-09-22T19:21:00","guid":{"rendered":"https:\/\/www.diariodepe.com.br\/xinhua\/?p=9017"},"modified":"2022-09-22T13:52:33","modified_gmt":"2022-09-22T16:52:33","slug":"cientistas-chineses-projetam-mascara-facial-que-detecta-virus-em-10-minutos","status":"publish","type":"post","link":"https:\/\/diariodepe.com.br\/xinhua\/2022\/09\/22\/cientistas-chineses-projetam-mascara-facial-que-detecta-virus-em-10-minutos\/","title":{"rendered":"Cientistas chineses projetam m\u00e1scara facial que detecta v\u00edrus em 10 minutos"},"content":{"rendered":"\n<p>Beijing &#8212; Um grupo de cientistas chineses desenvolveu uma m\u00e1scara facial que pode detectar a exposi\u00e7\u00e3o viral a partir de conversa de 10 minutos com pessoa infectada.<\/p>\n\n\n\n<p>Pat\u00f3genos respirat\u00f3rios que causam a COVID-19 e influenza se espalham atrav\u00e9s de pequenas got\u00edculas e aeross\u00f3is liberados por pessoas infectadas quando falam, tossem e espirram.<\/p>\n\n\n\n<p>A m\u00e1scara bioeletr\u00f4nica vest\u00edvel projetada por pesquisadores da Universidade de Tongjin pode detectar v\u00edrus respirat\u00f3rios comuns, incluindo influenza e coronav\u00edrus, no ar em got\u00edculas ou aeross\u00f3is e alertar os usu\u00e1rios por meio de seus dispositivos m\u00f3veis.<\/p>\n\n\n\n<p>A m\u00e1scara facial altamente sens\u00edvel \u00e9 capaz de medir amostras l\u00edquidas em n\u00edvel de tra\u00e7o de 0,3 microlitros e amostras gasosas em uma concentra\u00e7\u00e3o ultrabaixa de 0,1 femtogramas por mililitro, de acordo com o estudo publicado esta semana na revista Matter.<\/p>\n\n\n\n<p>A refer\u00eancia de detec\u00e7\u00e3o para l\u00edquidos contendo prote\u00ednas virais em uma c\u00e2mara fechada \u00e9 &#8220;cerca de 70 a 560 vezes menor que o volume de l\u00edquido produzido em um espirro e muito menor que o volume produzido por tosse ou fala&#8221;, disse o autor correspondente do artigo, Fang Yin, professor da Universidade de Tongji.<\/p>\n\n\n\n<p>A equipe de Fang projetou um pequeno sensor carregando tr\u00eas tipos de mol\u00e9culas sint\u00e9ticas que podem reconhecer simultaneamente prote\u00ednas de superf\u00edcie no SARS-CoV-2, H5N1 e H1N1.<\/p>\n\n\n\n<p>Uma vez que essas mol\u00e9culas se ligam \u00e0s prote\u00ednas alvo, um transistor de porta de \u00edon integrado \u00e0 m\u00e1scara amplificar\u00e1 o sinal e alertar\u00e1 os usu\u00e1rios, de acordo com o estudo.<\/p>\n\n\n\n<p>Os designers disseram que podem atualizar facilmente o dispositivo vest\u00edvel para detectar novos v\u00edrus respirat\u00f3rios.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Beijing &#8212; Um grupo de cientistas chineses desenvolveu uma m\u00e1scara facial que pode detectar a exposi\u00e7\u00e3o viral a partir de conversa de 10 minutos com pessoa infectada. Pat\u00f3genos respirat\u00f3rios que causam a COVID-19 e influenza se espalham atrav\u00e9s de pequenas&#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-9017","post","type-post","status-publish","format-standard","hentry","category-cultura-tecnologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cientistas chineses projetam m\u00e1scara facial que detecta v\u00edrus em 10 minutos - Xinhua - Diario de Pernambuco<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/diariodepe.com.br\/xinhua\/2022\/09\/22\/cientistas-chineses-projetam-mascara-facial-que-detecta-virus-em-10-minutos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cientistas chineses projetam m\u00e1scara facial que detecta v\u00edrus em 10 minutos - Xinhua - Diario de Pernambuco\" \/>\n<meta property=\"og:description\" content=\"Beijing &#8212; Um grupo de cientistas chineses desenvolveu uma m\u00e1scara facial que pode detectar a exposi\u00e7\u00e3o viral a partir de conversa de 10 minutos com pessoa infectada. 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