Cited by 398Microplastics and Plastic PollutionEnvironmental Toxicology and EcotoxicologyPharmaceutical and Antibiotic Environmental Impacts

Uptake, Whole-Body Distribution, and Depuration of Nanoplastics by the Scallop Pecten maximus at Environmentally Realistic Concentrations

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Al-Sid-Cheikh, Maya, Rowland, Steve J., Stevenson, Karen, Rouleau, Claude, Henry, Theodore B., Thompson, Richard C.·2018·Environmental Science & Technology

Abstract

Previous studies of uptake and effects of nanoplastics by marine organisms have been conducted at what may be unrealistically high concentrations. This is a consequence of the analytical challenges in tracking plastic particles in organisms at environmentally relevant concentrations and highlights the need for new approaches. Here, we present pulse exposures of 14C-radiolabeled nanopolystyrene to a commercially important mollusk, Pecten maximus, at what have been predicted to be environmentally relevant concentrations (<15 μg L–1). Uptake was rapid and was greater for 24 nm than for 250 nm particles. After 6 h, autoradiography showed accumulation of 250 nm nanoplastics in the intestine, while 24 nm particles were dispersed throughout the whole-body, possibly indicating some translocation across epithelial membranes. However, depuration was also relatively rapid for both sizes; 24 nm particles were no longer detectable after 14 days, although some 250 nm particles were still detectable after 48 days. Particle size thus apparently influenced the biokinetics and suggests a need for chronic exposure studies. Modeling extrapolations indicated that it could take 300 days of continued environmental exposure for uptake to reach equilibrium in scallop body tissues although the concentrations would still below 2.7 mg g–1. Comparison with previous work in which scallops were exposed to nonplastic (silver) nanomaterials of similar size (20 nm), suggests that nanoparticle composition may also influence the uptake tissue distributions somewhat.

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Crossref · 10.1021/acs.est.8b05266

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  • In a feeding experiment, polystyrene nanoparticles were ingested by scallops and translocated mostly to the digestive and circulatory system, before reaching muscles, kidney and gonads.

    “In a feeding experiment, polystyrene nanoparticles were ingested by scallops, and the ingested nanoplastics were translocated mostly to the digestive and circulatory system, before reaching the muscles, kidney and gonads.156”

    From The fate of plastic in the ocean environment – a minireview (2021) · cites this paper as [156]

  • The chemical composition of nanomaterials defines their behaviour in biological systems, perhaps due to differences in physicochemical surface properties.

    “This could suggest that the chemical composition of the nanomaterials denes their behaviour in biological systems, perhaps due to differences in physicochemical surface properties.16,156”

    From The fate of plastic in the ocean environment – a minireview (2021) · cites this paper as [156]

  • The fitness of Daphnia magna was impaired by small nanoplastic particles of ~52 nm but not by larger ones of >120 nm, and depuration of 24 nm particles was faster than that of 250 nm particles.

    “The tness of Daphnia magna was impaired by small nanoplastic particles of $52 nm but not by larger ones of >120 nm, 16 and the depuration of 24 nm particles was faster than that of 250 nm particles.156”

    From The fate of plastic in the ocean environment – a minireview (2021) · cites this paper as [156]

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Authors
Al-Sid-Cheikh, M., Rowland, S. J., Stevenson, K., Rouleau, C., Henry, T. B., & Thompson, R. C.
Affiliations
  • University of Plymouth (GB)
  • University of Plymouth , , Drake Circus, , ,
  • Charles River Laboratories (United Kingdom) (GB)
  • Université du Québec à Rimouski (CA)
  • Heriot-Watt University (GB)
Corresponding author
  • Al-Sid-Cheikh, Maya
  • Thompson, Richard C.
Venue
Environmental Science & Technology
Published
2018-11-20
Volume
52
Issue
24
Pages
14480-14486
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2901747639
Cited by
397
References
38
Citations by year
2026: 40 · 2025: 52 · 2024: 53 · 2023: 68 · 2022: 65 · 2021: 43 · 2020: 49 · 2019: 27
FWCI
11.15
Type
journal article
Language
en
Open access
Locations
  • Environmental Science & Technology (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • PEARL (University of Plymouth) (submittedVersion)
Funders
Natural Environment Research Council (NE/N006526/1)
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
  • Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
Keywords
nanoplastics, Pecten maximus, Pectinidae, polystyrene nanoparticles, particle uptake, whole-body distribution, depuration, particle size effects, biokinetics, environmentally relevant concentrations, pulse exposure, radiolabeled nanoparticles, silver nanoparticles
MeSH terms
Animals, Mollusca, Particle Size, Silver, Pectinidae, Pecten

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