alexa Silver Nanoparticles on Rainbow Trout in Natural Waters

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Silver Nanoparticles on Rainbow Trout in Natural Waters

article surface charges (Zeta potential) and the composition of surface water could change the size distribution of nanoparticles. The presence of bacteria, alkalinity, natural organic matter (NOM) concentrations and charges may induce aggregation depending of nanoparticle’s surface properties, and influence the transport of nanoparticles in aquatic environments. Nanoparticles tend to form aggregates in solution depending on the presence of salts and natural organic matter (NOM) and the intrinsic Zeta potential of the nanoparticle. On one hand, a nanoparticle with a low surface charge tends to aggregate in media with low salt concentrations. On another hand, the NOM could increase the nanoparticle polarity (and surface charge) and promote the NP monomeric form.

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