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Interactions between multi-walled carbon nanotubes and plankton as detected by Raman spectroscopy

Jack R. Howarth, Alvin Orbaek White Orcid Logo, Ali Hedayati Orcid Logo, Yubiao Niu, Richard Palmer Orcid Logo, Kam Tang Orcid Logo

Chemosphere, Volume: 295, Start page: 133889

Swansea University Authors: Alvin Orbaek White Orcid Logo, Yubiao Niu, Richard Palmer Orcid Logo, Kam Tang Orcid Logo

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Abstract

Raman spectroscopy was tested successfully as a non-destructive method to detect multi-walled carbon nanotubes (MWCNTs) in phytoplankton and zooplankton samples in vivo. Exposure to MWCNTs led to lower photosynthetic efficiency and/or growth rate in phytoplankton. MWCNTs were ingested by zooplankton...

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Published in: Chemosphere
ISSN: 0045-6535
Published: Elsevier BV 2022
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa59305
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Abstract: Raman spectroscopy was tested successfully as a non-destructive method to detect multi-walled carbon nanotubes (MWCNTs) in phytoplankton and zooplankton samples in vivo. Exposure to MWCNTs led to lower photosynthetic efficiency and/or growth rate in phytoplankton. MWCNTs were ingested by zooplankton indiscriminately and were retained in the gut for an extended time, thereby increasing their chance of dispersal and transfer throughout the aquatic food web.
Keywords: Carbon nanotubes; Phytoplankton; Zooplankton; Raman spectroscopy; Aquatic food web
College: College of Science
Funders: We would like to acknowledge the access to the TEM provided by the AIM Facility of Swansea University, which was funded in part by the EPSRC (EP/M028267/1), the European Regional Development Fund through the Welsh Government (80708). Y.N. would also like to acknowledge the Ser Cymru II – WEFO ERDF Programme (80761). A.O.W. was funded through Sêr Cymru II Fellowship by the Welsh Government and the European Regional Development Fund (ERDF). A.O.W. acknowledges funding from Welsh Government Circular Economy Capital Fund FY 2020–21.
Start Page: 133889