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Title: Integration of ultrasonic transducers in fast prototyping microfluidic devices
Authors: Guo, S
Lau, ST
Lam, KH
Deng, YL
Zhao, X
Chen, Y
Chan, HLW 
Keywords: Bulk acoustic wave devices
Laminar flow
Ultrasonic transducers
Issue Date: 5-May-2008
Publisher: American Institute of Physics
Source: Journal of applied physics, 5 May 2008, v. 103, no. 9, 094701, p. 1-5 How to cite?
Journal: Journal of applied physics 
Abstract: Bulk acoustic wave induced mixing in microfluidic systems has been studied by using a pair of small size ultrasonic transducers integrated into a prototype polydimethylsiloxane device. The acoustic properties of the integrated ultrasonic transducers were evaluated, demonstrating the generation of bulk acoustic wave in the mixing chamber when a low ac voltage is applied. Then, the mixing efficiency of the device was studied by using two stream laminar flows and taking into account the particular geometry of the mixing chamber. Because of the limited power consumption, the system should be compatible with the requirements of a number of applications in both analytical chemistry and biology.
ISSN: 0021-8979
Rights: © 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in S.S. Guo et al., J. Appl. Phys. 103, 094701 (2008) and may be found at
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