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gold

09/17/2018 / By Edsel Cook

Researchers identify and investigate the characteristics of gold nanoparticles in two plants

Chinese researchers confirmed the presence of gold within two different plants found in the wild. An article in Science Daily stated that wild samples of ramie (Boehmeria nivea) and horseweed (Erigeron canadensis) absorbed artificial gold nanoparticles from external sources. Gold has been found in other plants before. A species of alfalfa was even cultivated so […]

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, […]

07/11/2018 / By Edsel Cook

Isolated magnesium shows all the promise of its gold and silver cousins with none of the drawbacks

Texan researchers have successfully synthesized an isolated form of plasmonic magnesium nanoparticles, an article in Nano Werks has reported. Not only do these tiny particles possess the same plasmon-emitting capabilities as their gold, silver, and aluminum equivalents, but they also avoid the pitfalls of their more expensive counterparts. The new nanoparticles are the handiwork of […]

04/04/2018 / By David Williams

Blindness reversed in mice with artificial photoreceptors made of gold and titanium

They were blind, but now they see. Lab mice in China were given the ability to see again by a group of researchers thanks to the use of gold and titanium oxide as replacement materials for natural photoreceptors. This is the focus of a new study that was recently published in the journal Nature Communications, […]

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