Bile Salts in Chiral Micellar Electrokinetic Chromatography: 2000-2020

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2021 Sep 28

PMID 34577002

Citations 2

Authors

Raymond B Yu

Joselito P Quirino

Affiliations

Soon will be listed here.

Abstract

Bile salts are naturally occurring chiral surfactants that are able to solubilize hydrophobic compounds. Because of this ability, bile salts were exploited as chiral selectors added to the background solution (BGS) in the chiral micellar electrokinetic chromatography (MEKC) of various small molecules. In this review, we aimed to examine the developments in research on chiral MEKC using bile salts as chiral selectors over the past 20 years. The review begins with a discussion of the aggregation of bile salts in chiral recognition and separation, followed by the use of single bile salts and bile salts with other chiral selectors (i.e., cyclodextrins, proteins and single-stranded DNA aptamers). Advanced techniques such as partial-filling MEKC, stacking and single-drop microextraction were considered. Potential applications to real samples, including enantiomeric impurity analysis, were also discussed.

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