期刊
LAB ON A CHIP
卷 13, 期 21, 页码 4210-4216出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3lc50451d
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资金
- Creative Research Initiatives program of the National Research Foundation of Korea (MSIP) [2013-003364]
- KUSTAR-KAIST Institute
- National Research Foundation of Korea [2009-0081572] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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 mu m particles from 10 mu m 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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