Studies of particle holding, separating, and focusing using convergent electrodes in microsorters

Tzong Shyng Leu, Hung Ying Chen, Fei Bin Hsiao

研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

This paper presents numerical simulation results on the efficacy of dielectrophoretic (DEP) convergent electrodes in a particle sorter. DEP forces created by non-uniform electric fields are used as holding forces to trap and select the particles from a mixture of many samples, as well as confining forces to focus the particles into a single particle stream in the microsorter for further analysis. The key mechanism of the sorter that can hold particles against destabilizing fluid flows is investigated in this study. A barrier is found at X/L =0.84 and Y =0 in the present DEP sorter. By comparing the DEP and hydrodynamic forces at the barrier, one can determine the release velocity when the zero-net-force condition ceases to exist and the particles start to be released.

原文English
頁(從 - 到)328-335
頁數8
期刊Microfluidics and Nanofluidics
1
發行號4
DOIs
出版狀態Published - 2005 10月

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學
  • 材料化學

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