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Abstract
This study investigates the trophic transfer of gold nanomaterials (Au-NMs) in an aquatic food chain, using algae, daphnids, and fish. The size and shape of Au-NMs influenced their association with algae, with smaller, spherical particles attaching more readily. Au-NMs underwent size/shape-dependent dissolution and agglomeration in daphnids' guts, affecting their size distribution in fish. Biodistribution in fish tissues depended on NM size and shape, with the highest particle numbers in the brain. The study highlights the importance of physicochemical properties of metallic NMs in their biotransformations and tropic transfers.
Publisher
Nature Communications
Published On
Feb 09, 2021
Authors
Fazel Abdolahpur Monikh, Latifeh Chupani, Daniel Arenas-Lago, Zhiling Guo, Peng Zhang, Gopala Krishna Darbha, Eugenia Valsami-Jones, Iseult Lynch, Martina G. Vijver, Peter M. van Bodegom, Willie J.G.M. Peijnenburg
Tags
gold nanomaterials
trophic transfer
aquatic food chain
daphnids
biodistribution
physicochemical properties
biotransformation
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