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Increasing levels of long-chain perfluorocarboxylic acids (PFCAs) in Arctic and North Atlantic marine mammals, 1984-2009
Örebro University, School of Science and Technology.
Örebro University, School of Science and Technology.
Örebro University, School of Science and Technology.ORCID iD: 0000-0001-6217-8857
Norwegian School of Veterinary Science, Oslo, Norway.
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2012 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 86, no 3, p. 278-285Article in journal (Refereed) Published
Abstract [en]

Temporal variations in concentrations of perfluorinated carboxylic acids (PFCAs) and sulfonic acids (PFSAs), including perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) structural isomers, were examined in livers of pilot whale (Globicephala melas), ringed seal (Phoca hisida), minke whale (Balaenoptera acutorostrata), harbor porpoise (Phocoena phocoena), hooded seal (Cystophora cristata), Atlantic white-sided dolphin (Lagenorhynchus acutus) and in muscle tissue of fin whales (Balaenoptera physalus). The sampling spanned over 20 years (1984-2009) and covered a large geographical area of the North Atlantic and West Greenland. Liver and muscle samples were homogenized, extracted with acetonitrile, cleaned up using hexane and solid phase extraction (SPE), and analyzed by liquid chromatography with negative electrospray tandem mass spectrometry (LC-MS/MS). In general, the levels of the long-chained PFCAs (C9-C12) increased whereas the levels of PFOS remained steady over the studied period. The PFOS isomer pattern in pilot whale liver was relatively constant over the sampling years. However, in ringed seals there seemed to be a decrease in linear PFOS (L-PFOS) with time, going from 91% in 1984 to 83% in 2006.

Place, publisher, year, edition, pages
Elsevier, 2012. Vol. 86, no 3, p. 278-285
Keywords [en]
Marine mammals, PFSAs, PFCAs, Structural isomers, Temporal variations
National Category
Chemical Sciences
Research subject
Environmental Chemistry
Identifiers
URN: urn:nbn:se:oru:diva-22317DOI: 10.1016/j.chemosphere.2011.09.054ISI: 000300210200011PubMedID: 22051347Scopus ID: 2-s2.0-84855194855OAI: oai:DiVA.org:oru-22317DiVA, id: diva2:513389
Note

Funding Agency:

Nordic council of ministers 

Available from: 2012-04-02 Created: 2012-04-02 Last updated: 2018-05-08Bibliographically approved

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Rotander, AnnaKärrman, Annavan Bavel, Bert

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