Biology

Particle number-based trophic transfer of gold nanomaterials in an aquatic food chain

F. A. Monikh, L. Chupani, et al.

This exciting research investigates the trophic transfer of gold nanomaterials in aquatic food chains, revealing how their size and shape affect interactions among algae, daphnids, and fish. Conducted by esteemed researchers 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, and Willie J.G.M. Peijnenburg, the study sheds light on the potential implications of nanomaterials in ecosystem dynamics.

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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

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