A valveless switch for microparticle sorting with laminar flow streams and electrophoresis perpendicular to the direction of fluid stream

Toru Takahashi, Sachiko Ogata, Matsuhiko Nishizawa, Tomokazu Matsue

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

A simply designed valveless switch for microparticle sorting was fabricated on a glass chip. A successful sorting of 10 μm diameter polystyrene latex beads was performed by the microfluidic system consisted of a unique electrophoretic switch and pair of parallel laminar flow streams. In applying the voltage to the electrodes placed on the banks of the flow through channel, microparticles were electrophoretically diverted across the boundary between two distinct laminar flows.

Original languageEnglish
Pages (from-to)175-177
Number of pages3
JournalElectrochemistry Communications
Volume5
Issue number2
DOIs
Publication statusPublished - 2003 Feb 1

Keywords

  • Electrophoresis
  • Laminar flow streams
  • Microfluidic device
  • Microparticle sorting
  • Polystyrene latex beads

ASJC Scopus subject areas

  • Electrochemistry

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