期刊
MICROFLUIDICS AND NANOFLUIDICS
卷 7, 期 1, 页码 137-140出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10404-008-0364-7
关键词
Droplet mixing; Tunable superhydrophobic surface; DNA hybridization; Nanostructures
资金
- New Jersey Nanotechnology Consortium
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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