Application of electroosmotic micropumps to a microfluidic system combined with a light-addressable potentiometric sensor

An on‐chip electroosmotic (EO) micropump (EOP) was embedded in a microchannel combined with a light‐addressable potentiometric sensor (LAPS). The flow direction and the flow rate of EO flows on the LAPS chip could be controlled by the polarity and the magnitude of the applied DC voltage. The EOP cou...

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Bibliographic Details
Published in:Physica status solidi. A, Applications and materials science Applications and materials science, 2016-06, Vol.213 (6), p.1500-1504
Main Authors: Li, Xueliang, Liu, Shibin, Liang, Jintao, Miyamoto, Ko-ichiro, Yoshinobu, Tatsuo
Format: Article
Language:English
Subjects:
Design analysis
Devices
Droplets
Electric potential
electroosmotic micropumps
light-addressable potentiometric sensors
Materials science
Microfluidics
Micropumps
Sensors
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Summary:An on‐chip electroosmotic (EO) micropump (EOP) was embedded in a microchannel combined with a light‐addressable potentiometric sensor (LAPS). The flow direction and the flow rate of EO flows on the LAPS chip could be controlled by the polarity and the magnitude of the applied DC voltage. The EOP could be used as an actuator to generate a sample droplet of about 1 nL and to drive it to the sensing position of a LAPS. A design of a microfluidic system as a (bio‐)chemical analysis device for measuring a small volume of sample is proposed.
ISSN:1862-6300
1862-6319
DOI:10.1002/pssa.201532879