Paired microelectrode system:: dielectrophoretic particle sorting and force calibration

被引:86
作者
Schnelle, T [1 ]
Müller, T [1 ]
Gradl, G [1 ]
Shirley, SG [1 ]
Fuhr, G [1 ]
机构
[1] Humboldt Univ, Inst Biol, D-10115 Berlin, Germany
关键词
dielectrophoresis; particle sorting; separation; microelectrodes; microfluid channels;
D O I
10.1016/S0304-3886(99)00032-7
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We describe a closed microsystem used for free-flow dielectrophoretic separation of particles and cells. Particles have been separated on the basis of size and cells separated from artificial particles. Dielectrophoretic forces were calculated numerically and compared with experimental and analytic results. While the influence of local heating is of minor importance under our experimental conditions, the consideration of liquid-channel interfaces gives rise to an remarkable increase of dielectrophoretic forces. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:121 / 132
页数:12
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