As nanotech goes mainstream, 'toxic socks' raise concerns

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A biosensor made from an array of silver nanoparticles deposited on glass. Credit: Courtesy of the National Science Foundation
A biosensor made from an array of silver nanoparticles deposited on glass. Credit: Courtesy of the National Science Foundation

Nanotechnology is now available in a store near you. Valued for it’s antibacterial and odor-fighting properties, nanoparticle silver is becoming the star attraction in a range of products from socks to bandages to washing machines. But as silver’s benefits propel it to the forefront of consumer nanomaterials, scientists are recommending a closer examination of the unforeseen environmental and health consequences of nanosilver.


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