Bling! Researchers create 24k gold in the lab

A close-up of gold flecks, created by science! (Click to enlarge.)
(Credit: G.L. Kohuth )
To put it lightly, something sensational happens upon feeding large concentrations of toxic gold chloride (also known as liquid gold) to the bacteria Cupriavidus metallidurans. After about a week’s time, the bacterium creates a 24-karat gold nugget from the digested toxins.
“Microbial alchemy is what we’re doing, transforming gold from something that has no value into a solid, precious metal that’s valuable,” said Kazem Kashefi, assistant professor of microbiology and molecular genetics at Michigan…

Originally posted here: Bling! Researchers create 24k gold in the lab

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