Assessment of a novel device for onsite integrative large-volume solid phase extraction of water samples to enable a comprehensive chemical and effect-based analysis

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Authors

SCHULZE Tobias AHEL Marijan AHLHEIM Joerg AIT-AISSA Selim BRION Francois DI PAOLO Carolina FROMENT Jean HIDASI Anita O. HOLLENDER Juliane HOLLERT Henner HU Meng KLOLSS Anett KOPRIVICA Sanja KRAUSS Martin MUZ Melis OSWALD Peter PETRE Margit SCHOLLEE Jennifer E. SEILER Thomas-Benjamin SHAO Ying SLOBODNÍK Jaroslav SONAVANE Manoj SUTER Marc J. F. TOLLEFSEN Knut Erik TOUŠOVÁ Zuzana WALZ Karl-Heinz BRACK Werner

Year of publication 2017
Type Article in Periodical
Magazine / Source Science of the Total Environment
MU Faculty or unit

Faculty of Science

Citation
Web https://www.sciencedirect.com/science/article/pii/S0048969716328303?via%3Dihub
Doi http://dx.doi.org/10.1016/j.scitotenv.2016.12.140
Keywords Automated water sampler; Chemical analysis; Bioassay analysis; Effect-based analysis; Applicability domain; Large-volume solid phase extraction; LVSPE
Description The implementation of targeted and nontargeted chemical screening analysis in combination with in vitro and organism-level bioassays is a prerequisite for a more holistic monitoring of water quality in the future. For chemical analysis, little or no sample enrichment is often sufficient, while bioanalysis often requires larger sample volumes at a certain enrichment factor for conducting comprehensive bioassays on different endpoints or furthereffect-directed analysis (EDA). To avoid logistic and technical issues related to the storage and transport of large volumes of water, sampling would benefit greatly from onsite extraction. This study presents a novel onsite large volume solid phase extraction (LVSPE) device tailored to fulfill the requirements for the successful effect-based and chemical screening of water resources and complies with available international standards for automated sampling devices. Laboratory recovery experiments using 251 organic compounds in the log D range from -3.6 to 9.4 (at pH 7.0) spiked into pristine water resulted in acceptable recoveries and from 60 to 123% for 159 out of 251 substances. Within a European-wide demonstration program, the LVSPE was able to enrich compounds in concentration ranges over three orders of magnitude (1 ng L-1 to 2400 ng L-1). It was possible to discriminate responsive samples from samples with no or only low effects in a set of six different bioassays "( i.e. acetylcholinesterase and algal growth inhibition, androgenicity, estrogenicity, fish embryo toxicity, glucocorticoid activity). The LVSPE thus proved applicable for onsite extraction of sufficient amounts of water to investigate water quality thoroughly by means of chemical analysis and effect-based tools without the common limitations due to small sample volumes.
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