A multichannel electrophoresis microchip platform for rapid chiral selector screening

Area of Science:

• Analytical Chemistry
• Separation Science
• Chiral Separations

Background:

• Chiral selector screening is crucial for enantiomeric separations.
• Existing methods can be time-consuming and require significant sample volumes.

Purpose of the Study:

• To develop and validate a rapid, high-throughput platform for chiral selector screening.
• To demonstrate the platform's efficiency using cyclodextrins and FITC-labeled compounds.

Main Methods:

• A four-channel microchip electrophoresis platform with double-cross hydrostatic sample injection was utilized.
• Five electrodes were employed to drive electrophoresis across four channels simultaneously.
• Eight neutral cyclodextrins (CDs) and their derivatives were screened as chiral selectors.

Main Results:

• The platform successfully screened four chiral selectors concurrently in under two minutes.
• Dimethyl-beta-CD was identified as an effective selector for FITC-norfenefrine.
• Hydroxypropyl-alpha-CD proved suitable for FITC-baclofen separation.

Conclusions:

• The developed platform offers a rapid and user-friendly method for chiral selector screening.
• This technology shows potential for high-throughput screening applications in chiral analysis.