Nano Science and Technology Institute
Nanotech 2004 Vol. 1
Nanotech 2004 Vol. 1
Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 1
 
Chapter 6: Bio Micro Sensors and Systems
 

Modeling of the Dielectrophoretic Forces Acting upon Biological Cells: A Numerical Comparison between Finite Element/Boundary Element Maxwell Stress Tensor Methods and Dipole Point Approach

Authors:A. Benselama, P. Pham, É. Canot
Affilation:CEA, FR
Pages:188 - 191
Keywords:dielectrophoresis, BEM, FEM, Maxwell stress tensor, point dipole approach
Abstract:Maxwell Stress Tensor (MST) method is investigated in this study to quantify the degree of approximation made with the point dipole method in respect to dielectrophoresis (DEP) in microdevices. Latex particles and biological cells immersed in aqueous buffers of various conductivities are considered. The two methods (point dipole and MST full approaches) are compared using analytical dipolar solutions and numerical ones obtained from the Finite Element (FEM) and the Boundary Element (BEM) methods. Particular emphasis is made on the insufficiency of the point dipole method in microscale issues especially when particles are located near to planar electrode.
Modeling of the Dielectrophoretic Forces Acting upon Biological Cells: A Numerical Comparison between Finite Element/Boundary Element Maxwell Stress Tensor Methods and Dipole Point ApproachView PDF of paper
ISBN:0-9728422-7-6
Pages:521
Hardcopy:$79.95
 
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