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Analytical strategies for chemical exposomics: exploring limits and feasibility

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VITALE Chiara Maria PRICE Elliott James MILLER Gary W DAVID Arthur ANTIGNAC Jean-Philippe BAROUKI Robert KLÁNOVÁ Jana

Rok publikování 2021
Druh Článek v odborném periodiku
Časopis / Zdroj Exposome
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://academic.oup.com/exposome/article/1/1/osab003/6372691
Doi http://dx.doi.org/10.1093/exposome/osab003
Klíčová slova trace analysis of environmental contaminants; suspect screening and non-target analysis; exposome and metabolome; SPE and passive sampling/SPME; LC-HRMS and GC-HRMS; chemicals of emerging concern
Popis Tackling the challenges of chemical exposomics will require the implementation of diverse analytical strategies and technological advancements. Herein, high-resolution mass spectrometry-based methods applied in current chemical exposome studies have been surveyed and are shown to be limited. Notably, liquid chromatography separations almost exclusively employ reversed-phase C18 columns using water/methanol gradients with formic acid additive, while gas chromatography is underexploited in the field at this stage. A systematic evaluation of strategies applied in related disciplines (i.e. metabolomics, proteomics, multiresidue trace analysis) was undertaken to provide practical guidance for the development of chemical exposomics. The approaches were assessed on the basis of their costs (i.e. capital expenditure, overhead and maintenance fees, expertise required, consumables) and potential benefits (i.e. improvements to sensitivity, coverage, reproducibility, throughput, ease of use) to prioritize those with promise for chemical exposomics application. Alongside a need for technological investments (e.g. advanced hardware updates), numerous low-cost strategies showed high potential benefits (e.g. different column phases, enhanced sample fractionation) and are feasible for rapid adoption.
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