分析および生物分析技術ジャーナル

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Outline of Chiral Chromatography

Dr. Mika Wang

Chiral chromatography is a specialized form of liquid chromatography that focuses on the separation and analysis of enantiomers, which are mirror-image isomers of a molecule. Enantiomers possess identical physical and chemical properties but exhibit distinct biological activities. Chiral chromatography plays a crucial role in various industries, including pharmaceuticals, agrochemicals, and fine chemicals, where the identification and quantification of enantiomers are of great importance. The principle of chiral chromatography lies in the interaction between chiral stationary phases and enantiomers. Chiral stationary phases possess chiral recognition sites that selectively interact with one enantiomer over the other based on their spatial arrangement. This selective interaction drives the separation of enantiomers, leading to their individual identification and quantification. Different modes of chiral chromatography, such as normalphase, reversed-phase, ion-exchange, ligand-exchange, and supercritical fluid chromatography, utilize different types of chiral stationary phases and mobile phases to achieve enantiomeric separation. These modes find applications in pharmaceutical analysis, agrochemical analysis, fine chemical production, and environmental analysis. Advancements in chiral chromatography have expanded its capabilities and improved separation efficiency. Novel chiral stationary phases with enhanced selectivity and stability have been developed. Optimization of mobile phase composition through the incorporation of chiral additives or chiral selectors has improved enantiomeric resolution. The coupling of chiral chromatography with mass spectrometry enables simultaneous separation, detection, and identification of enantiomers. Automation and high-throughput analysis systems have increased the efficiency of chiral chromatographic analysis. Dedicated software tools aid in method development, optimization, and data analysis for chiral separations.

Conclusion: Chiral chromatography is a powerful analytical technique that allows for the separation and analysis of enantiomers. Its applications in various industries and the continuous advancements in chiral stationary phases, mobile phases, and instrumentation have contributed to its importance in the field of stereochemistry. Chiral chromatography plays a crucial role in the development, analysis, and quality control of chiral compounds, providing valuable insights into their biological activities and environmental impacts.