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Updated: Jan 30, 2026

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
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On-line sample preconcentration by polarity switching in floating electrode-integrated microchannel

Fumihiko Kitagawa1, Kana Tanigawa-Joh2, Satomi Terashita1

  • 1Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University, Hirosaki, Aomori, Japan.

Electrophoresis
|January 15, 2019
PubMed
Summary

Polarity switching in microchip electrophoresis effectively enriches fluorescent analytes. This method enhances sensitivity by over 500-fold using a floating electrode, improving separation of labeled proteins.

Keywords:
Floating electrodeMicrochip electrophoresisOn-line sample preconcentrationPolarity switching

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