Passive sampling reversed: coupling passive field sampling with passive lab dosing to assess the ecotoxicity of mixtures present in the marine environment

Marine Pollution Bulletin
Michiel ClaessensColin R Janssen

Abstract

This study presents a new approach in aquatic toxicity testing combining passive sampling and passive dosing. Polydimethylsiloxane sheets were used to sample contaminant mixtures in the marine environment. These sheets were subsequently transferred to ecotoxicological test medium in which the sampled contaminant mixtures were released through passive dosing. 4 out of 17 of these mixtures caused severe effects in a growth inhibition assay with a marine diatom. These effects could not be explained by the presence of compounds detected in the sampling area and were most likely attributable to unmeasured compounds absorbed to the passive samplers during field deployment. The findings of this study indicate that linking passive sampling in the field to passive dosing in laboratory ecotoxicity tests provides a practical and complimentary approach for assessing the toxicity of hydrophobic contaminant mixtures that mimics realistic environmental exposures. Limitations and opportunities for future improvements are presented.

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Citations

Jan 26, 2016·Environmental Science & Technology·Annika JahnkeBeate I Escher
Dec 15, 2015·Marine Pollution Bulletin·Gert EveraertColin R Janssen
Oct 13, 2017·Environmental Science. Processes & Impacts·Lukas MustajärviAnna Sobek
Nov 9, 2017·Environmental Science. Processes & Impacts·Jing You, Huizhen Li
Mar 30, 2019·Environmental Toxicology and Chemistry·Samuel MoerisKarel A C De Schamphelaere
Oct 11, 2019·Critical Reviews in Analytical Chemistry·Adam C TaylorGraham A Mills
Dec 18, 2020·The Science of the Total Environment·João BarbosaJana Asselman
Mar 23, 2021·Environmental Science & Technology·Kilian E C Smith, Yoonah Jeong

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