Shedding Nanoparticles | Chemical & Engineering News
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Web Date: October 17, 2011

Shedding Nanoparticles

Materials Science: Chemists observe metal objects sloughing off ions to form nanoparticles
Department: Science & Technology
News Channels: Materials SCENE, Environmental SCENE, Analytical SCENE, Nano SCENE
Keywords: silver nanoparticles, nanosilver, nanoparticles, materials science

Silver and copper ions shedding from synthetic nanoparticles—and even from ordinary metal objects such as silverware and jewelry—combine to form new, smaller nanoparticles, a team of Oregon chemists has found. The discovery provides additional details about nanoparticle stability and behavior in the environment and implies that people have been exposed to significant background levels of metal nanoparticles for millennia.

Silver nanomaterials have been used for more than a century as a disinfectant and algaecide and . . .

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