A Controllable and Integrated Pump-enabled Microfluidic Chip and Its Application in Droplets Generating

Bei Zhao; Xingye Cui; Wei Ren; Feng Xu; Ming Liu; Zuo Guang Ye

doi:10.1038/s41598-017-10785-1

A Controllable and Integrated Pump-enabled Microfluidic Chip and Its Application in Droplets Generating

Bei Zhao
, Xingye Cui
, Wei Ren
, Feng Xu
, Ming Liu
, Zuo Guang Ye

Research output: Contribution to journal › Article › peer-review

56 Scopus citations

Abstract

A microfluidic chip with a controllable and integrated piezoelectric pump was proposed and demonstrated, where the pump was designed as a micro-actuator based on polyvinylidene fluoride (PVDF) organic piezoelectric film. In this case, the pump should integrate with the microfluidics device very well into one chip. The flow rate can be precisely controlled in the range of 0-300 μl/min for water by tuning the V_pp and frequency of Alternating Current (AC) voltage applied on the diaphragm. To analyze the relationship between the flow rate and the deflection of diaphragm, the deformations of diaphragm at different voltages were researched. The displacement of diaphragm was defined as 17.2 μm at the voltages of 3.5 kV, 5 Hz when the pump chamber was full of water. We have used the integrated microfluidic chip with two pumps for droplet generation to demonstrate its great potential for application in droplet-based microfluidic chip.

Original language	English
Article number	11319
Journal	Scientific Reports
Volume	7
Issue number	1
DOIs	https://doi.org/10.1038/s41598-017-10785-1
State	Published - 1 Dec 2017

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Cite this

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abstract = "A microfluidic chip with a controllable and integrated piezoelectric pump was proposed and demonstrated, where the pump was designed as a micro-actuator based on polyvinylidene fluoride (PVDF) organic piezoelectric film. In this case, the pump should integrate with the microfluidics device very well into one chip. The flow rate can be precisely controlled in the range of 0-300 μl/min for water by tuning the Vpp and frequency of Alternating Current (AC) voltage applied on the diaphragm. To analyze the relationship between the flow rate and the deflection of diaphragm, the deformations of diaphragm at different voltages were researched. The displacement of diaphragm was defined as 17.2 μm at the voltages of 3.5 kV, 5 Hz when the pump chamber was full of water. We have used the integrated microfluidic chip with two pumps for droplet generation to demonstrate its great potential for application in droplet-based microfluidic chip.",

author = "Bei Zhao and Xingye Cui and Wei Ren and Feng Xu and Ming Liu and Ye, \{Zuo Guang\}",

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AU - Zhao, Bei

AU - Cui, Xingye

AU - Ren, Wei

AU - Xu, Feng

AU - Liu, Ming

AU - Ye, Zuo Guang

PY - 2017/12/1

Y1 - 2017/12/1

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A Controllable and Integrated Pump-enabled Microfluidic Chip and Its Application in Droplets Generating

Abstract

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