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Review
. 2023 Oct;44(19-20):1471-1518.
doi: 10.1002/elps.202200178. Epub 2023 Sep 5.

From capillaries to microchips, green electrophoretic features for enantiomeric separations: A decade review (2013-2022)

Rafaella S Aredes  1 , Isabela de P Lima  1 , Amanda P Faillace  1 , Vinicius G C Madriaga  1 , Thiago de M Lima  1 , Fernando A S Vaz  1 , Flávia F de C Marques  1 , Lucas M Duarte  1
Affiliations
Review

From capillaries to microchips, green electrophoretic features for enantiomeric separations: A decade review (2013-2022)

Rafaella S Aredes et al. Electrophoresis. 2023 Oct.

Abstract

Enantioseparation by the electromigration-based method is well-established and widely discussed in the literature. Electrophoretic strategies have been used to baseline resolve complex enantiomeric mixtures, typically using a selector substance into the background electrolyte (BGE) from capillaries to microchips. Along with developing new materials/substances for enantioseparations, it is the concern about the green analytical chemistry (GAC) principles for method development and application. This review article brings a last decade's update on the publications involving enantioseparation by electrophoresis for capillary and microchip systems. It also brings a critical discussion on GAC principles and new green metrics in the context of developing an enantioseparation method. Chemical and green features of native and modified cyclodextrins are discussed. Still, given the employment of greener substances, ionic liquids and deep-eutectic solvents are highlighted, and some new selectors are proposed. For all the mentioned selectors, green features about their production, application, and disposal are considered. Sample preparation and BGE composition in GAC perspective, as well as greener derivatization possibilities, were also addressed. Therefore, one of the goals of this review is to aid the electrophoretic researchers to look where they have not.

Keywords: chiral separations; deep-eutectic solvent; green analytical chemistry; ionic liquids; microchip systems.

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References

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