Simple microfluidic continuous concentration of microparticles with different dielectric constants using dielectrophoretic force in a V-shaped electrode array

Masahito Hayashi*, Kenji Yasuda

*この研究の対応する著者

研究成果: Article査読

5 被引用数 (Scopus)

抄録

We show here that the viscous drag and dielectrophoretic force generated in a V-shaped ladder electrode array in a microfluidic channel cause both attracted and repelled microparticles to move to the electrodes at the centre of the channel. Both Bacillus spores and 1-μm polystyrene spheres in a flow concentrated at the edges of V-shaped electrodes to which a 20 Vpp 1 MHz AC voltage was applied. The results indicated the advantages of this simple setup for concentrating microparticles regardless of their dielectric constants, which is essential for highly precise cell separation and analysis.

本文言語English
論文番号097002
ジャーナルJapanese journal of applied physics
49
9 PART 1
DOI
出版ステータスPublished - 2010 9月
外部発表はい

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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