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Tuesday, 24 February 2009

Nanotechnology Breakthroughs : Gold Nanoparticles

University of Missouri scientist Kattesh Katti recently discovered how to make gold nanoparticles using gold salts, soybeans and water. Katti's research has garnered attention worldwide and the environmentally-friendly discovery could have major applications in several disciplines.Gold nanoparticles are tiny pieces of gold, so small they cannot be seen by the naked eye. Researchers believe gold nanoparticles will be used in cancer detection and treatment, the production of "smart" electronic devices, the treatment of certain genetic eye diseases and the development of "green" automobiles.While the nanotechnology industry is expected to produce large quantities of nanoparticles in the near future, researchers have been worried about the environmental impact of typical production methods. Commonly, nanoparticles have been produced using synthetic chemicals. Katti's process, which uses only naturally occurring elements, could have major environmental implications for the future. Since some of the chemicals currently used to make nanoparticles are toxic to humans, Katti's discovery also could open doors for additional medical fields. Having a 100-percent natural "green" process could allow medical researchers to expand the use of the nanoparticles.

Link : www.scientistlive.com

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