Web Date: October 17, 2011
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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