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Title: Enhancement of electrophoretic mobility of microparticles near a solid wall-experimental verification
Authors: Liang, Qian
Zhao, Cunlu
Yang, Chun
Keywords: DRNTU::Engineering::Aeronautical engineering::Electrical systems and equipment
Issue Date: 2014
Source: Liang, Q., Zhao, C., & Yang, C. (2015). Enhancement of electrophoretic mobility of microparticles near a solid wall-experimental verification. Electrophoresis, 36(5), 731-736.
Series/Report no.: Electrophoresis
Abstract: Although the existing theories have predicted enhancement of electrophoretic mobility of microparticles near a solid wall, the relevant experimental studies are rare. This is mainly due to difficulties in experimentally controlling and measuring particle-wall separations under dynamic electrophoretic conditions. This paper reports an experimental verification of the enhancement of electrophoretic mobility of a microparticle moving near the wall of a microchannel. This is achieved by balancing dielectrophoretic and lift forces against gravitational force acting on the microparticle so as to control the gap of particle-wall separation. A simple experimental setup is configured and a fabrication method is developed to measure such separation gap. The experiments are conducted for various particle sizes under different electric field strengths. Our experimental results are compared against the available theoretical predictions in the literature.
ISSN: 0173-0835
DOI: 10.1002/elps.201400405
Rights: © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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