Complete filling of liquid metal in comb-shaped transducers for acoustofluidics

Wei Guo, Adrian J.T. Teo, Alfonso M. Ganan-Calvo, Chaolong Song, Nam Trung Nguyen, Heng Dong Xi, Say Hwa Tan

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

We demonstrate the complete filling of both deionized water (DI water) and liquid metal (EGaIn) into closed-end microchannels driven by a constant pressure at the inlet. A mathematical model based on gas diffusion through porous PDMS wall is developed to unveil the physical mechanism in the filling process. The proposed theoretical analysis based on our model agrees well with the experimental observations. We also successfully generate traveling surface acoustic waves by actuating interdigitated microchannels filled with EGaIn. Our work will bring significant insights in the fabrication of liquid electrodes for various microfluidic lab-on-a-chip applications.

源语言英语
主期刊名22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018
出版商Chemical and Biological Microsystems Society
559-562
页数4
ISBN(电子版)9781510897571
出版状态已出版 - 2018
活动22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018 - Kaohsiung, 中国台湾
期限: 11 11月 201815 11月 2018

出版系列

姓名22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018
1

会议

会议22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018
国家/地区中国台湾
Kaohsiung
时期11/11/1815/11/18

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