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In-vivo passive sampling to measure elimination kinetics in bioaccumulation tests
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).
2012 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 88, no 1, 62-68 p.Article in journal (Refereed) Published
Abstract [en]

The application of in-tissue passive sampling to quantify chemical kinetics in fish bioconcentration experiments was investigated. A passive sampler consisting of an acupuncture needle covered with a PDMS tube was developed together with a method for its deployment in rainbow trout. The time to steady state for chemical uptake into the passive sampler was >1 d, so it was employed as a kinetically limited sampler with a deployment time of 2 h. The passive sampler was employed in parallel with the established whole tissue extraction method to study the elimination kinetics of 10 diverse chemicals in rainbow trout. 4-n-nonylphenol and 2,4,6-tri-tert-butylphenol were close to or below the limit of quantification in the sampler. For chlorpyrifos, musk xylene, hexachlorobenzene, 2,5-dichlorobiphenyl and p,p'-DDT. the elimination rate constants determined with the passive sampler method and the established method agreed within 18%. Poorer agreement (35%) was observed for 2,3,4-trichloroanisole and p-diisopropylbenzene because fewer data were obtained with the passive sampling method due to its lower sensitivity. The work shows that in-tissue passive sampling can be employed to measure contaminant elimination kinetics in fish. This opens up the possibility of studying contaminant kinetics in individual fish, thereby reducing the fish requirements and analytical costs for the determination of bioconcentration factors.

Place, publisher, year, edition, pages
2012. Vol. 88, no 1, 62-68 p.
Keyword [en]
Passive sampling, Fish, Bioconcentration test, OECD 305, Bioaccumulation test
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-79878DOI: 10.1016/j.chemosphere.2012.02.063ISI: 000304235700009OAI: oai:DiVA.org:su-79878DiVA: diva2:551883
Note

AuthorCount:3;

Available from: 2012-09-12 Created: 2012-09-11 Last updated: 2017-12-07Bibliographically approved

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Adolfsson-Erici, MargarethaÅkerman, GunMcLachlan, Michael S.
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