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Latest Cupriavidus metallidurans Stories

Alchemy In The Modern World
2012-10-03 05:55:29

Alan McStravick for redOrbit.com - Your Universe Online An amazing discovery was reported this week. Even more amazing than the discovery itself was just how the discovery was made. In an exceptional confluence of art and science, the study of Cupriavidus metallidurans showed how this resilient bacterium could not only survive the toxic nature of gold (III) tetrachloride but could react with it, creating 24-karat gold nuggets. “Microbial alchemy is what we´re doing —...

ece2adddf4e88eb25e0b79f32cb5cad9
2009-10-08 09:05:00

Australian scientists have found that the bacterium Cupriavidus metallidurans catalyses the biomineralization of gold by transforming toxic gold compounds to their metallic form using active cellular mechanism. Researchers reported the presence of bacteria on gold surfaces but have never clearly elucidated their role. Now, an international team of scientists has found that there may be a biological reason for the presence of these bacteria on gold grain surfaces. "A number of years ago we...


Word of the Day
siliqua
  • A Roman unit of weight, 1⁄1728 of a pound.
  • A weight of four grains used in weighing gold and precious stones; a carat.
  • In anatomy, a formation suggesting a husk or pod.
  • The lowest unit in the Roman coinage, the twenty-fourth part of a solidus.
  • A coin of base silver of the Gothic and Lombard kings of Italy.
'Siliqua' comes from a Latin word meaning 'a pod.'
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