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Cited by 264

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Effects of Nylon Microplastic on Feeding, Lipid Accumulation, and Moulting in a Coldwater Copepod

Open access
Cole, Matthew, Coppock, Rachel, Lindeque, Penelope K., Altin, Dag, Reed, Sarah, Pond, David W., Sørensen, Lisbet, Galloway, Tamara S., Booth, Andy M.·2019·Environmental Science & Technology

Abstract

Abstract Microplastic debris is a pervasive environmental contaminant that has the potential to impact the health of biota, although its modes of action remain somewhat unclear. The current study tested the hypothesis that exposure to fibrous and particulate microplastics would alter feeding, impacting on lipid accumulation, and normal development (e.g., growth, moulting) in an ecologically important coldwater copepod Calanus finmarchicus. Preadult copepods were incubated in seawater containing a mixed assemblage of cultured microalgae (control), with the addition of ∼50 microplastics mL–1 of nylon microplastic granules (10–30 μm) or fibers (10 × 30 μm), which are similar in shape and size to the microalgal prey. The additive chemical profiles showed the presence of stabilizers, lubricants, monomer residues, and byproducts. Prey selectivity was significantly altered in copepods exposed to nylon fibers (ANOVA, P < 0.01) resulting in a nonsignificant 40% decrease in algal ingestion rates (ANOVA, P = 0.07), and copepods exposed to nylon granules showed nonsignificant lipid accumulation (ANOVA, P = 0.62). Both microplastics triggered premature moulting in juvenile copepods (Bernoulli GLM, P < 0.01). Our results emphasize that the shape and chemical profile of a microplastic can influence its bioavailability and toxicity, drawing attention to the importance of using environmentally relevant microplastics and chemically profiling plastics used in toxicity testing.

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Metadata

Authors
Cole, M., Coppock, R., Lindeque, P. K., Altin, D., Reed, S., Pond, D. W., Sørensen, L., Galloway, T. S., & Booth, A. M.
Venue
Environmental Science & Technology
Published
2019-05-24
Volume
53
Issue
12
Pages
7075-7082
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2946566284
Cited by
264
References
62
FWCI
7.60
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Effects of Nylon Microplastic on Feeding, Lipid Accumulation, and Moulting in a Coldwater Copepod. https://app.cochat.ai/papers/10.1021/acs.est.9b01853
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Cole, M., Coppock, R., Lindeque, P. K., Altin, D., Reed, S., Pond, D. W., Sørensen, L., Galloway, T. S., & Booth, A. M. (2019). Effects of Nylon Microplastic on Feeding, Lipid Accumulation, and Moulting in a Coldwater Copepod. Environmental Science & Technology. https://doi.org/10.1021/acs.est.9b01853

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