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High-throughput micromixers based on acoustic streaming induced by surface acoustic wave

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High-throughput micromixers based on acoustic streaming induced by surface acoustic wave

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dc.contributor.author Luong, Trung-Dung
dc.contributor.author Phan, Vinh-Nguyen
dc.contributor.author Nguyen, Nam-Trung
dc.date.accessioned 2012-04-12T07:37:35Z
dc.date.available 2012-04-12T07:37:35Z
dc.date.copyright 2010
dc.date.issued 2012-04-12
dc.identifier.citation Luong, T. D., Phan, V. N., & Nguyen, N. T. (2010). High-throughput micromixers based on acoustic streaming induced by surface acoustic wave. Microfluidics and Nanofluidics, 10(3), 619-625.
dc.identifier.uri http://hdl.handle.net/10220/7763
dc.description.abstract Flow characteristics in microfluidic devices is naturally laminar due to the small channel dimensions. Mixing based on molecular diffusion is generally poor. In this article, we report the fabrication and characterization of active surface-acousticwave-driven micromixers which exploit the acoustic streaming effect to significantly improve the mixing efficiency. A side-by-side flow of water and fluorescent dye solution was driven by a syringe pump. Surface wave with a frequency of 13 MHz was launched perpendicular to the flow. The wave was generated by two designs of interdigitated electrodes on LiNbO3 substrate: parallel electrodes and focusing electrodes. The mixing efficiency was observed to be proportional to the square of the applied voltage. Under the same applied voltage, the focusing type offers a better mixing efficiency. The fabrication of the micromixer is compatible to current technology such as soft lithography and deep reactive ion etching. Despite the high throughput and fast mixing time, the mixer design is simple and could be integrated into any microfluidic platform.
dc.format.extent 22 p.
dc.language.iso en
dc.relation.ispartofseries Microfluidics and nanofluidics
dc.rights © 2010 Springer-Verlag. This is the author created version of a work that has been peer reviewed and accepted for publication by Microfluidics and Nanofluidics, Springer-Verlag. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: http://dx.doi.org/10.1007/s10404-010-0694-0
dc.subject DRNTU::Engineering::Mechanical engineering.
dc.title High-throughput micromixers based on acoustic streaming induced by surface acoustic wave
dc.type Journal Article
dc.contributor.school School of Mechanical and Aerospace Engineering
dc.identifier.doi http://dx.doi.org/10.1007/s10404-010-0694-0
dc.description.version Accepted version
dc.identifier.rims 159376

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