Document Detail


Perfluoroalkyl acids in subarctic wild male mink (Neovison vison) in relation to age, season and geographical area.
MedLine Citation:
PMID:  23928036     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
This study investigates the influence of biological and environmental factors on the concentrations of perfluoroalkyl acids (PFAAs) in a top predator; the American mink. Perfluorobutane sulfonate (PFBS), perfluorohexane sulfonate (PFHxS), perfluorooctane sulfonate (PFOS) and perfluoroalkyl carboxylates (PFCAs) with C8-C13 perfluorinated carbon chains were analyzed in livers from wild male mink liver (n=101) from four areas in Sweden representing two inland environments (rural and highly anthropogenic, respectively) and two different coastal environments. Mean PFOS concentrations were 1250ng/g wet weight and some mink from the urban inland area had among the highest PFOS concentrations ever recorded in mink (up to 21 800ng/g wet weight). PFBS was detected in 89% of the samples, but in low concentrations (mean 0.6ng/g ww). There were significant differences in PFAA concentrations between the geographical areas (p<0.001-0.01). Age, body condition and body weight did not influence the concentrations significantly, but there was a seasonal influence on the concentrations of perfluorodecanoic acid (PFDA) and perfluoroundecanoic acid (PFUnDA) (p<0.01 and p<0.05, respectively), with lower concentrations in autumn samples than in samples taken in the winter and spring. It is thus recommended to take possible seasonal differences into account when using mink exposure data. The overall results suggest that the mink is a suitable sentinel species for assessing and monitoring environmental levels of PFAAs.
Authors:
Sara Persson; Anna Rotander; Anna Kärrman; Bert van Bavel; Ulf Magnusson
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-8-5
Journal Detail:
Title:  Environment international     Volume:  59C     ISSN:  1873-6750     ISO Abbreviation:  Environ Int     Publication Date:  2013 Aug 
Date Detail:
Created Date:  2013-8-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7807270     Medline TA:  Environ Int     Country:  -    
Other Details:
Languages:  ENG     Pagination:  425-430     Citation Subset:  -    
Copyright Information:
© 2013. Published by Elsevier Ltd. All rights reserved.
Affiliation:
Division of Reproduction, Swedish University of Agricultural Sciences, PO Box 7054, SE-750 07 Uppsala, Sweden.
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