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Investigation and application of diffusive gradients in thin-films technique for measuring endocrine disrupting chemicals in seawaters
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry. South China Normal University, China.
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Number of Authors: 52018 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 200, p. 351-357Article in journal (Refereed) Published
Abstract [en]

Endocrine disrupting chemicals (EDCs) can be released to coastal waters and affect the endocrine system of marine organisms. To monitor their levels in seawaters, a simple, robust passive sampling method, the diffusive gradients in thin-films (DGT) technique, was developed with XDA-1 resin as a binding agent. Six EDCs (including three estrogens, two pesticides and bisphenol A) were used to assess the performance of the DGT. The XDA-1 binding gel showed adequate ability for adsorbing EDCs in seawaters. The DGT sampler exhibited linear accumulation for the EDCs during a 15-day deployment and diffusion coefficients and sampling rates were calculated. The DGT measurement was independent of pH in the range 7.0-9.0 and ionic strength in the range 0.4-0.8 M. Field applications of this DGT in a coast of Dalian (China) showed comparable results to those from grab sampling. Five EDCs were detected with concentrations ranging from 0.7 to 19.4 ng L-1. This study is a first attempt to apply DGT sampler for determining EDCs in seawaters.

Place, publisher, year, edition, pages
2018. Vol. 200, p. 351-357
Keywords [en]
Diffusive gradients in thin-films, Endocrine disrupting chemicals, Seawater, Passive sampling, Water analysis
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-155875DOI: 10.1016/j.chemosphere.2018.02.096ISI: 000429891300039PubMedID: 29494916OAI: oai:DiVA.org:su-155875DiVA, id: diva2:1203155
Available from: 2018-05-02 Created: 2018-05-02 Last updated: 2018-05-02Bibliographically approved

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CiteExportLink to record
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