Effects of gap height, applied frequency, and fluid conductivity on minimum actuation voltage of electrowetting-on-dielectric and liquid dielectrophoresis

被引：36

作者：

Chen, Chun-Hong

Tsai, Sung-Lin

Chen, Ming-Kun

Jang, Ling-Sheng ^{[1
]}

机构：

[1] Natl Cheng Kung Univ, Dept Elect Engn, Tainan 701, Taiwan

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2011年 / 159卷 / 01期

关键词：

Liquid dielectrophoresis (LDEP); Electrowetting on dielectric (EWOD); Microfluidics; Complex permittivity; DROPLETS; DYNAMICS;

D O I：

10.1016/j.snb.2011.06.063

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The effects of gap height, applied frequency, and fluid conductivity on the minimum actuation voltage of liquid dielectrophoresis (LDEP) and electrowetting on dielectric (EWOD) on two-plate devices are investigated. Gap heights ranging from 17 to 31 mu m, electrical fluid conductivities of water of 10(-3) and 10(-4) S/m, and applied frequencies of 1, 10, and 100 kHz were used in the experiments. An electromechanical model with the modulus of the relative permittivity of water is derived to explain gap height, frequency, and conductivity effects on the minimum actuation voltage of EWOD and LDEP. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：321 / 327

页数：7

共 26 条

[1] Rapid enrichment of biomolecules using simultaneous liquid and particulate dielectrophoresis [J].