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Ingestion and contact with polyethylene microplastics does not cause acute toxicity on marine zooplankton
ECIMAT, University of Vigo, Vigo, Galicia, Spain.
Centro Oceanográfico de Vigo, Instituto Español de Oceanografía, Vigo, Galicia, Spain.
Bordeaux University, EPOC, Talence, France.
Örebro universitet, Institutionen för naturvetenskap och teknik. (Man-Technology-Environment Research Centre (MTM))
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2018 (Engelska)Ingår i: Journal of Hazardous Materials, ISSN 0304-3894, E-ISSN 1873-3336, Vol. 360, s. 452-460Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Toxicity of polyethylene microplastics (PE-MP) of size ranges similar to their natural food to zooplanktonic organisms representative of the main taxa present in marine plankton, including rotifers, copepods, bivalves, echinoderms and fish, was evaluated. Early life stages (ELS) were prioritized as testing models in order to maximize sensitivity. Treatments included particles spiked with benzophenone-3 (BP-3), a hydrophobic organic chemical used in cosmetics with direct input in coastal areas. Despite documented ingestion of both virgin and BP-3 spiked microplastics no acute toxicity was found at loads orders of magnitude above environmentally relevant concentrations on any of the invertebrate models. In fish tests some effects, including premature or reduced hatching, were observed after 12 d exposure at 10 mg L-1 of BP-3 spiked PE-MP. The results obtained do not support environmentally relevant risk of microplastics on marine zooplankton. Similar approaches testing more hydrophobic chemicals with higher acute toxicity are needed before these conclusions could be extended to other organic pollutants common in marine ecosystems. Therefore, the replacement of these polymers in consumer products must be carefully considered.

Ort, förlag, år, upplaga, sidor
Elsevier, 2018. Vol. 360, s. 452-460
Nyckelord [en]
Benzophenone-3, Embryo-larval bioassays, Marine litter, Marine zooplankton, Polyethylene
Nationell ämneskategori
Miljövetenskap
Identifikatorer
URN: urn:nbn:se:oru:diva-69565DOI: 10.1016/j.jhazmat.2018.07.101ISI: 000446144600050PubMedID: 30142596Scopus ID: 2-s2.0-85051825465OAI: oai:DiVA.org:oru-69565DiVA, id: diva2:1256322
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Funding Agencies:

Spanish Government (MINECO)  PCIN-2015-187-C03-03  CTM2016-77945-C3 

French National Research Agency (Agence National de La Recherche)  ANR-15-JOCE-0002-05 

Galician Government  ED431C 2017/46 

Tillgänglig från: 2018-10-16 Skapad: 2018-10-16 Senast uppdaterad: 2018-10-17Bibliografiskt granskad

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Cormier, BettieEngwall, MagnusKeiter, Steffen

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