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Proceedings Paper

Numerical simulations of electrokinetic transport of a particle in a microfluidic confined domain
Author(s): Qian Liang; Cunlu Zhao; Chun Yang; Jianmin Miao
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Paper Abstract

The electrokinetic transport behaviors of a particle in a microfluidic confined domain under thin electrical double layer (EDL) assumption are investigated. The focus is placed on transport velocity development of the particle. A finite element method based numerical simulation is employed to solve the model. The results indicate that the particle's density, domain width and zeta potential ratio of the wall to the particle are important to the particle's migration. Moreover, the dynamic flow field and vortex evolution within the confined domain are examined. It is found that the translational migration of the particle is significantly affected by electroosmotic flow (EOF) induced vortex flow within the domain.

Paper Details

Date Published: 19 May 2010
PDF: 9 pages
Proc. SPIE 7743, Southeast Asian International Advances in Micro/Nanotechnology, 77430B (19 May 2010); doi: 10.1117/12.861523
Show Author Affiliations
Qian Liang, Nanyang Technological Univ. (Singapore)
Cunlu Zhao, Nanyang Technological Univ. (Singapore)
Chun Yang, Nanyang Technological Univ. (Singapore)
Jianmin Miao, Nanyang Technological Univ. (Singapore)


Published in SPIE Proceedings Vol. 7743:
Southeast Asian International Advances in Micro/Nanotechnology
Waleed S. Mohammed; Te-Yuan Chung, Editor(s)

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