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

Ghulam Destgeer; Kyung Heon Lee; Jin Ho Jung; Anas Alazzam; Hyung Jin Sung

doi:10.1039/c3lc50451d

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

Ghulam Destgeer
, Kyung Heon Lee
, Jin Ho Jung
, Anas Alazzam
, Hyung Jin Sung

Mechanical & Nuclear Engineering

Department of Industrial and Systems Engineering Korea Advanced Institute of Science and Technology

Research output: Contribution to journal › Article › peer-review

181 Scopus citations

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.

Original language	British English
Pages (from-to)	4210-4216
Number of pages	7
Journal	Lab on a Chip
Volume	13
Issue number	21
DOIs	https://doi.org/10.1039/c3lc50451d
State	Published - 7 Nov 2013

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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.",

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AU - Lee, Kyung Heon

AU - Jung, Jin Ho

AU - Alazzam, Anas

AU - Sung, Hyung Jin

PY - 2013/11/7

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N2 - 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.

AB - 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.

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DO - 10.1039/c3lc50451d

M3 - Article

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

Abstract

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