Abstract
Focusing particles into a tight stream is usually a necessary step prior to separating and sorting them. We present herein a proof-of-concept experiment of a novel particle focusing technique in DC electrokinetic flow through a planar serpentine microchannel. This focusing stems from the cross-stream dielectrophoretic motion induced within the channel turns. The observed particle focusing behavior is consistent with the predicted particle trajectories from a numerical modeling.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 751-756 |
| Number of pages | 6 |
| Journal | Microfluidics and Nanofluidics |
| Volume | 7 |
| Issue number | 6 |
| DOIs | |
| State | Published - Dec 2009 |
| Externally published | Yes |
Bibliographical note
Funding Information:Acknowledgments The support from Clemson University through a start-up package and a Research Equipment Fund to Xuan is gratefully acknowledged. The support from the State Key Laboratory of Nonlinear Mechanics in China is also gratefully appreciated.
Keywords
- DC dielectrophoresis
- Electrokinetic flow
- Particle focusing
- Serpentine microchannel
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