Nanosilver Particles Raise New Concerns

Two new studies suggest that silver nanoparticles in building products not only kill harmful bacteria and microbes but also may contribute to improper sperm function and disrupt beneficial microbial activity in ecosystems. Touted for their antimicrobial benefits, silver nanoparticles have been incorporated into dozens of products such as air and water purifiers, handrails, door handles, washing machines, refrigerators, paints, fabrics, cleaning products, plastics, and electronics.