Influence of ammonia on silver nanoparticle dissolution and toxicity to Nitrosomonas europaea.

Abstract

Nitrosomonas europaea, a model ammonia oxidizing bacterium, was sensitive to both ionic silver (Ag(+)) and 20 nm citrate capped silver nanoparticles (AgNPs). AgNP toxicity has been previously shown to be primarily due to the dissolution of Ag(+). The rate of AgNP dissolution dramatically increased in test medium containing ammonium sulfate ((NH4)2SO4) and… (More)
DOI: 10.1016/j.chemosphere.2013.08.098

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