Cristin-resultat-ID: 1256028
Sist endret: 13. april 2018, 15:51
NVI-rapporteringsår: 2015
Resultat
Vitenskapelig artikkel
2015

Uptake and toxicity of methylmethacrylate-based nanoplastic particles in aquatic organisms

Bidragsytere:
  • Andy Booth
  • Bjørn Henrik Hansen
  • Max Frenzel
  • Heidi Johnsen og
  • Dag Altin

Tidsskrift

Environmental Toxicology and Chemistry
ISSN 0730-7268
e-ISSN 1552-8618
NVI-nivå 2

Om resultatet

Vitenskapelig artikkel
Publiseringsår: 2015
Publisert online: 2015
Trykket: 2016
Volum: 35
Hefte: 7
Sider: 1641 - 1649
Open Access

Importkilder

Scopus-ID: 2-s2.0-84976566949

Beskrivelse Beskrivelse

Tittel

Uptake and toxicity of methylmethacrylate-based nanoplastic particles in aquatic organisms

Sammendrag

The uptake and toxicity of 2 poly(methylmethacrylate)-based plastic nanoparticles (PNPs) with different surface chemistries (medium and hydrophobic) was assessed using aquatic organisms selected for their relevance based on the environmental behavior of the PNPs. Pure poly(methylmethacrylate) (medium; PMMA PNPs) and poly(methylmethacrylate-co-stearylmethacrylate) copolymer (hydrophobic; PMMA–PSMA PNPs) of 86 nm to 125 nm were synthesized using a miniemulsion polymerization method. Fluorescent analogs of each PNP were also synthesized using monomer 7-[4-(trifluoromethyl)coumarin]acrylamide and studied. Daphnia magna, Corophium volutator, and Vibrio fischeri were employed in a series of standard acute ecotoxicity tests, being exposed to the PNPs at 3 different environmentally realistic concentrations (0.01 mg/L, 0.1 mg/L, and 1.0 mg/L) and a high concentration 500 mg/L to 1000 mg/L. In addition, sublethal effects of PNPs in C. volutator were determined using a sediment reburial test, and the uptake and depuration of fluorescent PNPs was studied in D. magna. The PNPs and fluorescent PNPs did not exhibit any observable toxicity at concentrations up to 500 mg/L to 1000 mg/L in any of the tests except for PMMA–PSMA PNPs and fluorescent PNPs following 48-h exposure to D. magna (median lethal concentration values of 879 mg/L and 887 mg/L, respectively). No significant differences were observed between labeled and nonlabeled PNPs, indicating the suitability of using fluorescent labeling. Significant uptake and rapid excretion of the fluorescent PNPs was observed in D. magna.

Bidragsytere

Andrew Booth

Bidragsyterens navn vises på dette resultatet som Andy Booth
  • Tilknyttet:
    Forfatter
    ved Klima og miljø ved SINTEF Ocean

Bjørn Henrik Hansen

  • Tilknyttet:
    Forfatter
    ved Klima og miljø ved SINTEF Ocean

Max Frenzel

  • Tilknyttet:
    Forfatter
    ved Klima og miljø ved SINTEF Ocean

Heidi Johnsen

  • Tilknyttet:
    Forfatter
    ved Bioteknologi og nanomedisin ved SINTEF AS

Dag Altin

  • Tilknyttet:
    Forfatter
    ved Diverse norske bedrifter og organisasjoner
1 - 5 av 5