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Issue 20, 2009
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Acoustic tweezers: patterning cells and microparticles using standing surface acoustic waves (SSAW)

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Abstract

Here we present an active patterning technique named “acoustic tweezers” that utilizes standing surface acoustic wave (SSAW) to manipulate and pattern cells and microparticles. This technique is capable of patterning cells and microparticles regardless of shape, size, charge or polarity. Its power intensity, approximately 5 × 105 times lower than that of optical tweezers, compares favorably with those of other active patterning methods. Flow cytometry studies have revealed it to be non-invasive. The aforementioned advantages, along with this technique's simple design and ability to be miniaturized, render the “acoustic tweezers” technique a promising tool for various applications in biology, chemistry, engineering, and materials science.

Graphical abstract: Acoustic tweezers: patterning cells and microparticles using standing surface acoustic waves (SSAW)

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Article information


Submitted
29 May 2009
Accepted
22 Jul 2009
First published
05 Aug 2009

Lab Chip, 2009,9, 2890-2895
Article type
Paper

Acoustic tweezers: patterning cells and microparticles using standing surface acoustic waves (SSAW)

J. Shi, D. Ahmed, X. Mao, S. S. Lin, A. Lawit and T. J. Huang, Lab Chip, 2009, 9, 2890
DOI: 10.1039/B910595F

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