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Progress, applications, and challenges in high-throughput effect-directed analysis for toxicity driver identification: is it time for HT-EDA?
Department of Exposure Science, Helmholtz Centre for Environmental Research, UFZ, Leipzig, Germany; Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/EHU), Basque Country, Plentzia, Spain.
Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland.
KWR Water Research Institute, Nieuwegein, Netherlands; Chemistry for Environment and Health, Amsterdam Institute for Life and Environment (A-LIFE), Vrije Universiteit Amsterdam, Amsterdam, Netherlands.
Department of Biochemistry and Ecotoxicology, Federal Institute of Hydrology (BfG), Koblenz, Germany.
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2024 (English)In: Analytical and Bioanalytical Chemistry, ISSN 1618-2642, E-ISSN 1618-2650Article, review/survey (Refereed) Epub ahead of print
Abstract [en]

The rapid increase in the production and global use of chemicals and their mixtures has raised concerns about their potential impact on human and environmental health. With advances in analytical techniques, in particular, high-resolution mass spectrometry (HRMS), thousands of compounds and transformation products with potential adverse effects can now be detected in environmental samples. However, identifying and prioritizing the toxicity drivers among these compounds remain a significant challenge. Effect-directed analysis (EDA) emerged as an important tool to address this challenge, combining biotesting, sample fractionation, and chemical analysis to unravel toxicity drivers in complex mixtures. Traditional EDA workflows are labor-intensive and time-consuming, hindering large-scale applications. The concept of high-throughput (HT) EDA has recently gained traction as a means of accelerating these workflows. Key features of HT-EDA include the combination of microfractionation and downscaled bioassays, automation of sample preparation and biotesting, and efficient data processing workflows supported by novel computational tools. In addition to microplate-based fractionation, high-performance thin-layer chromatography (HPTLC) offers an interesting alternative to HPLC in HT-EDA. This review provides an updated perspective on the state-of-the-art in HT-EDA, and novel methods/tools that can be incorporated into HT-EDA workflows. It also discusses recent studies on HT-EDA, HT bioassays, and computational prioritization tools, along with considerations regarding HPTLC. By identifying current gaps in HT-EDA and proposing new approaches to overcome them, this review aims to bring HT-EDA a step closer to monitoring applications.

Place, publisher, year, edition, pages
Springer Nature, 2024.
Keywords [en]
Bioanalytical methods, HT-EDA, Mass spectrometry, NTS
National Category
Biochemistry and Molecular Biology Environmental Sciences
Identifiers
URN: urn:nbn:se:umu:diva-227994DOI: 10.1007/s00216-024-05424-4ISI: 001266222800001PubMedID: 38992177Scopus ID: 2-s2.0-85198555881OAI: oai:DiVA.org:umu-227994DiVA, id: diva2:1885438
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EU, Horizon Europe, 101057014Available from: 2024-07-23 Created: 2024-07-23 Last updated: 2024-07-23

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Gallampois, Christine

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