SAW-controlled drop size for flow focusing

We demonstrate the regularization of droplet formation by applying a surface acoustic wave (SAW) localized at the flow-focus junction of a drop maker. This allows electronic control of drop size in real time, without changing the flow rates or microchannel dimensions.

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Bibliographic Details
Published inLab on a chip Vol. 13; no. 9; pp. 1691 - 1694
Main Authors Schmid, Lothar, Franke, Thomas
Format Journal Article
LanguageEnglish
Published England 07.05.2013
Subjects
Drop size
Droplets
Electronic control
Flow rate
Focusing
Microchannels
Regularization
Surface acoustic waves
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Summary:We demonstrate the regularization of droplet formation by applying a surface acoustic wave (SAW) localized at the flow-focus junction of a drop maker. This allows electronic control of drop size in real time, without changing the flow rates or microchannel dimensions.
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ISSN:1473-0197
1473-0189
DOI:10.1039/c3lc41233d