Capillary and microchip electrophoresis in microdialysis: recent applications

Area of Science:

• Analytical Chemistry
• Biomedical Engineering
• Neuroscience

Background:

• Microdialysis (microD) enables in-situ sampling of biological fluids.
• Electrophoretic separation techniques, including Capillary Electrophoresis (CE) and Microchip Electrophoresis (MCE), offer high efficiency and speed.
• Combining microD with electrophoresis presents advantages for analyzing small sample volumes.

Purpose of the Study:

• To review the significance of microscale electrophoretic systems integrated with microdialysis.
• To discuss the rapid and efficient separation capabilities of CE and MCE for microdialysate.
• To highlight recent applications and future directions in this interdisciplinary field.

Main Methods:

• Review of literature on microdialysis coupled with CE and MCE.
• Discussion of separation principles and advantages of CE/MCE for microdialysate.
• Exploration of micro-total analysis systems (µTAS) integrating microD and MCE.

Main Results:

• CE and MCE provide rapid, highly efficient separations using nanolitre volumes of microdialysate.
• Specific applications include the detection of neurotransmitters, amino acids, and other biomarkers.
• Recent innovations demonstrate the potential of coupled microD-MCE systems.

Conclusions:

• The integration of microdialysis with CE/MCE is crucial for sensitive and efficient biomarker analysis.
• Continued innovation is needed to further advance micro-total analysis systems.
• The synergy between microdialysis and electrophoresis holds significant promise for future research.