Testing the bioaccumulation potential of manufactured nanomaterials in the freshwater amphipod Hyalella azteca

Standardized experimental approaches for the quantification of bioaccumulation potential nanomaterials in general and (benthic) invertebrates particular are currently lacking. We examined suitability benthic freshwater amphipod Hyalella azteca examination nanomaterials. A flow-through test system that allows generation bioconcentration biomagnification factors was applied. The feasibility confirmed a 2-lab comparison study. By carrying out studies with gold, titanium dioxide silver nanoparticles as well dissolved (AgNO3) we were able to assess different types their exposure pathways. For this, animals total metal body burden using inductively coupled mass spectroscopy (ICP-MS) presence nanoparticulate burdens single-particle ICP-MS. role released ions highlighted being very important bioavailability metals from both uptake paths (bioconcentration biomagnification). In 2018 tiered testing strategy engineered proposed by Handy et al. may allow waiver fish inter alia invertebrates. Data gained carried like developed be included this strategy.