Witte, C., Reboud, J. , Wilson, R. , Cooper, J.M. and Neale, S.L. (2014) Microfluidic resonant cavities enable acoustophoresis on a disposable superstrate. Lab on a Chip, 14(21), pp. 4277-4283. (doi: 10.1039/C4LC00749B)
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Publisher's URL: http://dx.doi.org/10.1039/C4LC00749B
Abstract
We demonstrate surface acoustic wave (SAW) induced microparticle manipulation in a microstructured disposable glass-polymer composite superstrate, positioned on a piezoelectric substrate with a single, slanted SAW transducer. An excited SAW was coupled from the piezoelectric substrate into the superstrate, which acted as a transversal resonator structure. We show that the energy transmitted into the superstrate allowed acoustophoretic particle manipulation, while the wide frequency response of the SAW transducer enabled tuneable pressure distributions confined by the microchannel layout. The configuration provides a significant tolerance in positioning – making assembly easy.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Neale, Professor Steven and Wilson, Dr Robert and Witte, Dr Christian and Cooper, Professor Jonathan and Reboud, Professor Julien |
| Authors: | Witte, C., Reboud, J., Wilson, R., Cooper, J.M., and Neale, S.L. |
| College/School: | College of Science and Engineering > School of Engineering > Biomedical Engineering |
| Journal Name: | Lab on a Chip |
| Publisher: | Royal Society of Chemistry |
| ISSN: | 1473-0197 |
| ISSN (Online): | 1473-0189 |
| Copyright Holders: | Copyright © 2014 The Authors |
| First Published: | First published in Lab On a Chip 14(21):4277-4283 |
| Publisher Policy: | Reproduced under a Creative Commons License |
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