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Feasibility Study of Feces for Noninvasive Biomonitoring of Brominated Flame Retardants in Toddlers
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
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2015 (English)In: Environmental Science and Technology, ISSN 0013-936X, E-ISSN 1520-5851, Vol. 49, no 1, 606-615 p.Article in journal (Refereed) Published
Abstract [en]

This study investigated the feasibility of using feces as a noninvasive matrix to estimate serum concentrations of brominated flame retardants (BFRs) in toddlers for biomonitoring purposes. Tri- to decabrominated diphenyl ethers (tri-decaBDEs), isomer-specific hexabromocyclododecanes, and 16 emerging BFRs were determined in feces from 22 toddlers (11-15 months of age), and results were compared to previously analyzed matched serum samples. BDE-47, -153, -196, -197, -203, -206, -207, -208, and -209 were detected in the feces creating a matched data set (feces-serum, n = 21). Tetra-octaBDE concentrations were significantly higher (Student's paired comparisons t test, a = 0.05) in serum versus feces with BDE-153 having the highest mean difference between the sample matrices. BDE-209 was found in significantly higher concentrations in feces compared to serum. Significant correlations (Pearson's, alpha = 0.05) between congener-specific concentrations in feces and serum were found for all BDEs except BDE-197 and -203. The feces-serum associations found can be used to estimate serum concentrations of tetra-decaBDEs from feces concentrations and enable a noninvasive sampling method for biomonitoring BDEs in toddlers.

Place, publisher, year, edition, pages
2015. Vol. 49, no 1, 606-615 p.
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Earth and Related Environmental Sciences
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URN: urn:nbn:se:su:diva-114239DOI: 10.1021/es504708cISI: 000347589300070PubMedID: 25493574OAI: oai:DiVA.org:su-114239DiVA: diva2:798348
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AuthorCount:5;

Available from: 2015-03-26 Created: 2015-02-25 Last updated: 2017-12-04Bibliographically approved

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Sahlström, Leena M. O.Sellström, Ullade Wit, Cynthia A.
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