Droplet mixing using electrically tunable superhydrophobic nanostructured surfaces

被引：0
|
作者：
Evelyn N. Wang
Michael A. Bucaro
J. Ashley Taylor
Paul Kolodner
Joanna Aizenberg
Tom Krupenkin
机构：
[1] Alcatel-Lucent,Bell Laboratories
[2] MIT,Department of Mechanical Engineering
[3] University of Wisconsin-Madison,Department of Mechanical Engineering
[4] Harvard University,School of Engineering and Applied Sciences
来源：
Microfluidics and Nanofluidics | 2009年 / 7卷
关键词：
Droplet mixing; Tunable superhydrophobic surface; DNA hybridization; Nanostructures;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We demonstrate effective mixing of microliter droplets using electrically tunable superhydrophobic nanostructured surfaces. By applying electrical voltage and current, droplets can be reversibly switched from a wetting to a non-wetting state, which induces fluid motion within the droplet. This mixing concept was verified using a DNA hybridization assay, in which a single droplet reversibility accelerated the hybridization reaction by an order of magnitude as compared to mixing by passive diffusion. This work offers a new method to effectively mix droplets for a variety of microfluidics applications.
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页码：137 / 140
页数：3
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