Advances in capillary electrophoresis for the life sciences

Area of Science:

• Life Sciences
• Analytical Chemistry

Background:

• Capillary electrophoresis (CE) is crucial for life science advancements.
• It analyzes large and small molecules, complementing liquid chromatography.

Purpose of the Study:

• Review principles of CE techniques like CIEF, CGE, and CZE.
• Discuss recent instrumentation developments, including MS coupling and microchip CE.
• Highlight CE's impact on biopharmaceutical characterization and biomarker discovery.

Main Methods:

• Description of electromigration techniques: capillary isoelectric focusing (CIEF), capillary gel electrophoresis (CGE), and capillary zone electrophoresis (CZE).
• Discussion of instrumentation advancements: mass spectrometry (MS) coupling and microchip CE.
• Application examples in biopharmaceutical analysis, glycan analysis, and metabolomics.

Main Results:

• CE techniques (CIEF, CGE, CZE) are vital for biopharmaceutical characterization, including therapeutic proteins.
• CGE and CZE coupled with fluorescence detection and MS enable analysis of protein-released glycans for biomarker discovery.
• CE is established in clinical chemistry and metabolomics for small molecule profiling.

Conclusions:

• Capillary electrophoresis has a significant and established role in diverse life science applications.
• Recent developments in instrumentation and detection methods continue to expand CE's utility.
• CE is indispensable for biopharmaceutical analysis, biomarker discovery, and clinical chemistry.