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[Conference]Induced lateral electric field (ILEF) DC digital microfluidics


Abstract:

This paper reports a low voltage DC digital microfluidics device working in air filler by inducing lateral electric field (ILEF), which enables manipulation of various positively charged and negatively charged polar solutions for biomedical applications in an oil-free digital microfluidic platform while using cheap DC electric power source. Sensitivity of threshold voltage (minimum required voltage for droplet motion) to the polarity of actuation potential and the polarity of droplet solution is also reported for the first time in this paper, by actuating droplets of positive and negative polarity with initial contact angle 85°< θ° < 110°.

Conference: Micro Electro Mechanical Systems (MEMS), 2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS)

Date of Conference: 22-26 Jan. 2017

Date Added to IEEE Xplore: 28 February 2017

DOI: 10.1109/MEMSYS.2017.7863666

Md E. Razu

Department of Mechanical Engineering, Texas Tech University, Lubbock, TX, USA

Jungkyu Kim

Department of Mechanical Engineering, Texas Tech University, Lubbock, TX, USA

Link: http://ieeexplore.ieee.org/abstract/document/7863666/

#digitalmicrofluidics #electricfield #MEMS

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