Nova bactéria para a mineração de ouro
A equipe de bioquímicada Universidade McMaster, em Ontário, Canadá, descobriu uma espécie de bactéria que pode transformar ouro solúvel em sua forma sólida.
Uma molécula da Delftia acidovorans que extrai e condensa pequenos pedaços de ouro pode ser usada no futuro para coletar o metal precioso de pilhas de resíduos de minas.
Os pesquisadores observaram a bactéria sobre uma superfície de ouro maciço e estudaram a ligação, aprendendo que os microorganismos convertem o ouro em nano partículas para se protegerem da forma tóxica solúvel do metal.
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