MSM 99
MSM 99
Technical Proceedings of the 1999 International Conference on Modeling and Simulation of Microsystems

Applications: Microfluidics Chapter 16

Computer Simulations of Electrokinetic Mass Transport in Microfabricated Fluidic Devices

Authors: S.V. Ermakov, S.C. Jacobson and J.M. Ramsey

Affilation: Oak Ridge National Laboratory, United States

Pages: 534 - 537

Keywords: microchip, electrophoresis, electroosmosis, injection

A mathematical model and computer code for simulat-ing electrokinetic fluid and sample manipulations in micro-fabricated fluidic devices (microchips) are described. The model accounts for mass transport mechanisms such as electrophoretic migration, bulk fluid motion due to elec-troosmosis, and diffusion. The interactive computer pro-gram implementing the model is capable of handling differ-ent channel geometries with various boundary conditions for the electric field distribution and sample concentration. Several microchip elements have been modeled and par-ticular attention has been paid to the electrokinetic injec-tion, one of the primary elements in microchip operation. The results obtained in the modeling have been compared with experimental data

ISBN: 0-9666135-4-6
Pages: 697

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