Fig. 2From: Silver nanoparticles in sewage treatment plant effluents: chronic effects and accumulation of silver in the freshwater amphipod Hyalella aztecaAg content in media (µg/L), Ag content in animals (ng/mg) ± SD and accumulation of silver after 21 days of exposure. Ag accumulation factor = concentration in Hyalella/concentration in test mediumBack to article page