Chiral separations in capillary electrophoresis using proteins as stereoselective binding agents

Area of Science:

• Analytical Chemistry
• Biochemistry

Background:

• Proteins are gaining traction as ligands in capillary electrophoresis (CE) for chiral separations.
• This is driven by the need for advanced analytical techniques for chiral compound analysis.

Purpose of the Study:

• To review the types of proteins utilized in CE for chiral separations.
• To summarize the applications of protein-based CE for chiral analysis.
• To discuss various formats and experimental factors influencing these separations.

Main Methods:

• Review of existing literature on protein applications in CE for chiral separations.
• Discussion of immobilized protein techniques (affinity capillary electrochromatography, capillary gel affinity electrophoresis).
• Examination of solution-phase protein techniques (affinity capillary electrophoresis).

Main Results:

• Proteins serve as effective ligands in CE for distinguishing chiral compounds.
• Both immobilized and solution-phase protein formats offer viable approaches for chiral analysis.
• Various experimental factors significantly impact separation efficiency and selectivity.

Conclusions:

• Protein-based CE is a versatile and growing field for chiral compound analysis.
• Understanding the interplay of protein type, immobilization strategy, and experimental conditions is key to optimizing separations.
• Further research can enhance the analytical capabilities of CE using proteins for chiral recognition.