Tissue distribution of perfluorinated chemicals in harbor seals (**Phoca vitulina**) from the Dutch Wadden Sea
| Autor: | Ronny Blust, Walter Van Dongen, Wim De Coen, Krishna Das, Peter J.H. Reijnders, Sophie Brasseur, Kristin Van de Vijver, Esmans Esmans, Philippe Tony Hoff |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2005 |
| Předmět: |
Male
Time Factors Phoca vitulina (Linnaeus 1758) [Harbour seal] Carboxylic Acids Perfluorodecanoic acid Kidney ANE Wadden Sea Spleen Tissue Phoca Mass Spectrometry Environmental impact Perfluorononanoic acid chemistry.chemical_compound Sex Factors Blubber Ecosystemen Life Science Fluorinated hydrocarbons Environmental Chemistry Animals Body Size Tissue Distribution Tissue distribution Distemper Distemper Virus Phocine Fluorocarbons Chemical pollution biology Chemistry Ecology Kidneys General Chemistry biology.organism_classification Bioaccumulation Caniformia Tissues Perfluorooctane Chain length Liver Alkanesulfonic Acids Environmental chemistry Environmental Pollutants Female Toxicity tests Caprylates Sulfonic Acids Water Pollutants Chemical Chromatography Liquid Environmental Monitoring |
| Zdroj: | Environmental science and technology Environmental Science and Technology 39 (2005) 18 Environmental Science and Technology, 39(18), 6978-6984 |
| ISSN: | 0013-936X 6978-6984 |
| Popis: | Perfluorinated acids (PFAs) are today widely distributed in the environment, even in remote arctic areas. Recently, perfluorooctane sulfonate (PFOS) has been identified in marine mammals all over the world, but information on the compound-specific tissue distribution remains scarce. Furthermore, although longer perfluorinated carboxylic acids (PFCAs) are used in industry and were shown to cause severe toxic effects, still little is known on potential sources or their widespread distribution. In this study, we report for the first time on levels of longer chain PFCAs, together with some short chain PFAs, perfluorobutane sulfonate (PFBS) and perfluorobutanoate (PFBA), in liver, kidney, blubber, muscle, and spleen tissues of harbor seals (Phoca vitulina) from the Dutch Wadden Sea. PFOS was the predominant compound in all seal samples measured (ranging from 89 to 2724 ng/g wet weight); however, large variations between tissues were monitored. Although these are preliminary results, it is, to our knowledge, the first time that PFBS could be found at detectable concentrations (2.3 +/- 0.7 ng/g w wt) in environmental samples. PFBS was only detected in spleen tissue. PFCA levels were much lower than PFOS concentrations. The dominant PFCA in all tissues was PFNA (perfluorononanoic acid), and concentrations generally decreased in tissues for all other PFCA homologues with increasing chain length. No clear relationship between PFOS levels in liver and kidney was observed. Furthermore, hepatic PFDA (perfluorodecanoic acid) levels increased with increasing body length, but in kidney tissue, PFDA levels showed an inverse relationship with increasing body length. These data suggest large differences in tissue distribution and accumulation patterns of perfluorinated compounds in marine organisms. |
| Databáze: | OpenAIRE |
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