Single Nanoparticle Detected
ST. LOUIS, Dec. 21, 2009 -- Nanoparticles can be found just about everywhere: in makeup, sunscreen, home pregnancy tests, anti-odor socks, plastic beer bottles, antibacterial doorknobs, and plastic bags for storing vegetables, just to name a few of the 800 or so products on the market. But how safe are they really? A research group at Washington University aims to assess the impact of nanoparticles on the environment and human health before they are sent to market. As part of this effort, the team devised a sensor on a...