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Ionic Liquids in Electrophoretic Separation and Preconcentration Processes

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Abstract

Ionic liquids (ILs) are widely used in separation methods such as chromatography and capillary electrophoresis due to their unique properties. This review discusses the prospects for using imidazole-based ILs as electrophoretic system modifiers in capillary zone electrophoresis and micellar and microemulsion electrokinetic chromatography for the determination of biologically active substances (amino acids, catecholamines, steroid hormones, and polyphenolic antioxidants). New approaches to selective electrophoretic determination and efficient online preconcentration of analytes with the participation of imidazolium ILs are considered; the application of developed approaches to the analysis of natural objects (urine, blood plasma, and plant extracts) is exemplified.

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ACKNOWLEDGMENTS

We are grateful to the Chemical Analysis and Materials Research Centre at the St. Petersburg State University for provided equipment.

Funding

This work was supported by the Russian Science Foundation (project no. 19-13-00370).

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Correspondence to E. A. Bessonova.

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Translated by V. Makhlyarchuk

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Bessonova, E.A., Kartsova, L.A. & Moskvichev, D.O. Ionic Liquids in Electrophoretic Separation and Preconcentration Processes. J Anal Chem 76, 1111–1118 (2021). https://doi.org/10.1134/S1061934821100038

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  • DOI: https://doi.org/10.1134/S1061934821100038

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