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bio-geothermal gold cycle

07/13/2018 / By Ralph Flores

Certain bacteria that digest toxic heavy metals transform toxic gold particles into “secondary” gold nuggets

Talk about a silver lining — in this case, a gold one: Researchers have discovered that the bacterium Cupriavidus metallidurans is able to “extract valuable trace elements from a compound of heavy metals without poisoning itself.” In particular, they identified a unique side effect of this process, that is, the formation of metallic gold nanoparticles. The paper, […]

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