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Issue 21, 2013
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Continuous separation of particles in a PDMS microfluidic channel via travelling surface acoustic waves (TSAW)

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Abstract

We demonstrate a simple and efficient device for the continuous label-free separation of microparticles using travelling surface acoustic waves (TSAW). A focusing interdigitated unidirectional transducer released high frequency (133.3 MHz) TSAW normal to the fluid flow direction to segregate 3 μm particles from 10 μm particles with a separation efficiency of 100%. The TSAW based separator does not necessitate a tight alignment of the PDMS microchannel with the transducer.

Graphical abstract: Continuous separation of particles in a PDMS microfluidic channel via travelling surface acoustic waves (TSAW)

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Article information


Submitted
11 Apr 2013
Accepted
05 Aug 2013
First published
07 Aug 2013

Lab Chip, 2013,13, 4210-4216
Article type
Paper

Continuous separation of particles in a PDMS microfluidic channel via travelling surface acoustic waves (TSAW)

G. Destgeer, K. H. Lee, J. H. Jung, A. Alazzam and H. J. Sung, Lab Chip, 2013, 13, 4210
DOI: 10.1039/C3LC50451D

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