Attack of the Tiny Particles - be very afraid

Tuesday, November 11, 2008 - 19:14 in Physics & Chemistry

The government must begin a "major and urgent" effort to assess the safety of nanomaterials, the tiny particles commonly used in products as varied as sun creams, sports clothing and medicine, leading experts warn today.Hundreds of consumer products made with nanoparticles, which can be 100 times smaller than a virus, are already on the market, despite an almost complete lack of knowledge of the dangers they may pose to human health and the environment, according to a report by the royal commission on environmental pollution.Nanoparticles have been embraced as a wonder ingredient across manufacturing industry. Cosmetic companies add titanium dioxide nanoparticles to sun creams to make them transparent instead of white. Sports clothing firms have introduced odour-free garments containing nanosilver particles that are twice as toxic to bacteria as bleach. The motor industry has added carbon nanofibres to car tyres and body panels to strengthen them. Many nanomaterials are so...

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