{"id":127078,"date":"2026-01-16T08:58:50","date_gmt":"2026-01-16T08:58:50","guid":{"rendered":"https:\/\/www.altominho.tv\/site\/?p=127078"},"modified":"2026-01-16T08:58:53","modified_gmt":"2026-01-16T08:58:53","slug":"cientistas-encontram-alternativa-natural-a-materiais-toxicos-da-industria-maritima","status":"publish","type":"post","link":"https:\/\/www.altominho.tv\/site\/2026\/01\/16\/cientistas-encontram-alternativa-natural-a-materiais-toxicos-da-industria-maritima\/","title":{"rendered":"Cientistas encontram alternativa natural a materiais t\u00f3xicos da ind\u00fastria mar\u00edtima"},"content":{"rendered":"<p>Cientistas desenvolveram revestimentos anti-incrustantes de base natural com potencial para substituir os materiais \u201ct\u00f3xicos usados na ind\u00fastria mar\u00edtima\u201d, estando j\u00e1 numa fase \u201cpr\u00e9-industrial\u201d de produ\u00e7\u00e3o, revelou hoje o CIIMAR \u2013 Centro Interdisciplinar de Investiga\u00e7\u00e3o Marinha e Ambiental.<\/p>\n<p>\u201cO novo estudo demonstra que p\u00e9ptidos naturais produzidos por cianobact\u00e9rias s\u00e3o capazes de substituir biocidas t\u00f3xicos que dominam o mercado de tintas anti-incrustantes usadas na ind\u00fastria mar\u00edtima\u201d, descreve a institui\u00e7\u00e3o, que trabalhou em colabora\u00e7\u00e3o com as universidades de Lisboa e do Porto.<\/p>\n<p>A bioincrusta\u00e7\u00e3o marinha ocorre \u201cquando superf\u00edcies submersas, como cascos de navios, infraestruturas portu\u00e1rias ou equipamentos de aquacultura s\u00e3o colonizadas por bact\u00e9rias, algas e invertebrados\u201d e \u201crepresenta um dos maiores desafios operacionais e econ\u00f3micos para as ind\u00fastrias marinhas\u201d, explica o CIIMAR.<\/p>\n<p>Tal afeta, por exemplo, \u201ca ind\u00fastria naval, aumentando os custos de manuten\u00e7\u00e3o dos navios, o consumo de combust\u00edvel e de emiss\u00f5es\u201d.<\/p>\n<p>\u201cNa atualidade, a resposta dominante a este problema \u00e9 o uso de tintas que libertam continuamente biocidas t\u00f3xicos (cobre e outros compostos met\u00e1licos) impedindo a incrusta\u00e7\u00e3o\u201d, explica.<\/p>\n<p>A tecnologia agora desenvolvida est\u00e1 \u201cnuma fase pr\u00e9-industrial promissora\u201d, sendo que os pr\u00f3ximos passos passam por \u201cdemonstrar a efic\u00e1cia a longo prazo em diferentes ambientes marinhos\u201d.<\/p>\n<p>A par disso, pretende-se \u201cotimizar os processos de produ\u00e7\u00e3o e incorpora\u00e7\u00e3o dos compostos a uma escala industrial competitiva\u201d.<\/p>\n<p>\u201cA principal inova\u00e7\u00e3o deste trabalho est\u00e1 no uso de p\u00e9ptidos naturais produzidos por cianobact\u00e9rias, que interferem seletivamente nos processos iniciais de coloniza\u00e7\u00e3o biol\u00f3gica, sem preju\u00edzo para organismos n\u00e3o-alvo nem para a biodiversidade marinha\u201d, explica a l\u00edder do estudo, Joana Almeida.<\/p>\n<p>O resultado \u00e9 um produto capaz de \u201ccontrolar eficazmente a bioincrusta\u00e7\u00e3o marinha sem recorrer \u00e0 liberta\u00e7\u00e3o cont\u00ednua de biocidas t\u00f3xicos, abrindo caminho a uma nova gera\u00e7\u00e3o de revestimentos anti-incrustantes ambientalmente respons\u00e1veis\u201d, acrescenta a investigadora do grupo de Interfaces Oce\u00e2nicas Bioinspiradas do CIIMAR.<\/p>\n<p>De acordo com a institui\u00e7\u00e3o, apesar da efic\u00e1cia das solu\u00e7\u00f5es atuais, estas \u201ct\u00eam um elevado custo ambiental provocando polui\u00e7\u00e3o marinha, perda de biodiversidade e degrada\u00e7\u00e3o dos ecossistemas\u201d.<\/p>\n<p>\u201cA a\u00e7\u00e3o \u00e9 t\u00e3o intensa que alguns biocidas, como o tributilestanho (TBT), j\u00e1 foram banidos pela Uni\u00e3o Europeia que tem exigido o desenvolvimento de alternativas ambientalmente seguras\u201d, indica o CIIMAR.<\/p>\n<p>Assim, para Joana Almeida, \u201ca transi\u00e7\u00e3o para solu\u00e7\u00f5es anti-incrustantes n\u00e3o t\u00f3xicas \u00e9 inevit\u00e1vel face ao enquadramento regulat\u00f3rio europeu\u201d.<\/p>\n<p>O estudo permite perceber que \u201cessa transi\u00e7\u00e3o \u00e9 n\u00e3o s\u00f3 poss\u00edvel, como tecnologicamente vi\u00e1vel\u201d, destaca.<\/p>\n<p>O CIIMAR observa que a investiga\u00e7\u00e3o demonstra que estes p\u00e9ptidos \u201capresentam um desempenho compar\u00e1vel, e em alguns aspetos superior, ao de um biocida comercial amplamente utilizado na ind\u00fastria\u201d.<\/p>\n<p>Desta forma, a tecnologia \u201ctem o potencial de gerar ganhos econ\u00f3micos diretos para setores como o transporte mar\u00edtimo, a aquacultura e as infraestruturas costeiras\u201d, sustenta Joana Almeida.<\/p>\n<p>\u201cOs impactos positivos estendem-se a setores como a pesca, a aquacultura e o turismo\u201d, garante.<\/p>\n<p>De acordo com a investigadora, o potencial do estudo \u201cvai al\u00e9m da investiga\u00e7\u00e3o fundamental\u201d, uma vez que a equipa demonstrou \u201ca incorpora\u00e7\u00e3o funcional dos compostos em revestimentos\u201d.<\/p>\n<p>Com isto, foram validados prot\u00f3tipos \u201cem condi\u00e7\u00f5es marinhas reais\u201d, aproximando a tecnologia de uma aplica\u00e7\u00e3o industrial\u201d.<\/p>\n<p>\u201cEste avan\u00e7o representa uma progress\u00e3o clara do n\u00edvel de maturidade tecnol\u00f3gica, aproximando uma solu\u00e7\u00e3o natural de uma aplica\u00e7\u00e3o industrial futura\u201d, afirma.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cientistas desenvolveram revestimentos anti-incrustantes de base natural com potencial para substituir os materiais \u201ct\u00f3xicos usados na ind\u00fastria mar\u00edtima\u201d, estando j\u00e1 numa fase \u201cpr\u00e9-industrial\u201d de produ\u00e7\u00e3o, revelou hoje o CIIMAR \u2013 Centro Interdisciplinar de Investiga\u00e7\u00e3o Marinha e Ambiental. \u201cO novo estudo demonstra que p\u00e9ptidos naturais produzidos por cianobact\u00e9rias s\u00e3o capazes de substituir biocidas t\u00f3xicos que dominam [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":127079,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[56325],"tags":[56336],"class_list":["post-127078","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pais","tag-ambiente"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Cientistas encontram alternativa natural a materiais t\u00f3xicos da ind\u00fastria mar\u00edtima<\/title>\n<meta name=\"description\" content=\"Cientistas desenvolveram revestimentos anti-incrustantes de base natural com potencial para substituir os materiais \u201ct\u00f3xicos usados na ind\u00fastria mar\u00edtima\u201d, estando j\u00e1 numa fase \u201cpr\u00e9-industrial\u201d de produ\u00e7\u00e3o, revelou hoje o CIIMAR \u2013 Centro Interdisciplinar de Investiga\u00e7\u00e3o Marinha e Ambiental.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.altominho.tv\/site\/2026\/01\/16\/cientistas-encontram-alternativa-natural-a-materiais-toxicos-da-industria-maritima\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cientistas encontram alternativa natural a materiais t\u00f3xicos da ind\u00fastria mar\u00edtima\" \/>\n<meta property=\"og:description\" content=\"Cientistas desenvolveram revestimentos anti-incrustantes de base natural com potencial para substituir os materiais \u201ct\u00f3xicos usados na ind\u00fastria mar\u00edtima\u201d, estando j\u00e1 numa fase 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