Creation of single-particle environment by positive dielectrophoresis and liquid dielectrophoresis

Chun Hong Chen, Ming Kun Chen, Min Haw Wang, Ling Sheng Jang

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Two electrical mechanisms for manipulating particles and fluids, dielectrophoresis (DEP) and liquid dielectrophoresis (LDEP), are integrated in a microfluidic chip for creating the single-particle environment. The fluid is activated by LDEP with a 100-kHz/240-Vpp signal. When the single polystyrene bead approaches the trapping area, positive DEP force is utilized to capture and immobilize the bead. After trapping the bead, the process of liquid cutting and droplet creation is employed to create a droplet containing a single bead by LDEP with a 100-kHz/320-Vpp signal.

Original languageEnglish
Pages (from-to)525-532
Number of pages8
JournalMicrofluidics and Nanofluidics
Volume16
Issue number3
DOIs
Publication statusPublished - 2014 Mar

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Materials Chemistry

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