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Safety Studies on Nanoparticles Lag Behind Technology http://apocadocs.com/s.pl?1212246293
One issue is that the explosion of products using nanomaterials has outpaced the research into what happens when the particles escape into the environment or the human body. "Safety studies are dribbling in, but new consumer products are pouring in... The system is backwards"... Silver, one of the most widely used nanomaterials, has potent antibacterial properties, "which can be a good thing or a bad thing"... When nanosilver and ionic silver reach wastewater treatment plants, they could kill beneficial bacteria used to remove impurities; if the particles get back into waterways, they could also harm fish and algae. Leftover sewage sludge is also used as agricultural fertilizer; nanosilver remaining there could damage soil used to grow food.
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