Nano Science and Technology Institute
Nanotech 2001 Vol. 1
Nanotech 2001 Vol. 1
Technical Proceedings of the 2001 International Conference on Modeling and Simulation of Microsystems
 
Chapter 6: Micro and Bio Fluidics
 

Numerical Modeling of Magnetic Field Flow Fractionation in Microchannels: A Two-fold Approach Using Particle Trajectories and Concentration

Authors:J. Berthier, P. Pham and P. Massé
Affilation:LETI, FR
Pages:202 - 205
Keywords:numerical modeling, magnetic field, flow fractionation, microchannels, particle trajectoris, concentration
Abstract:Submicronic paramagnetic particles are currently used for biological applications like medical diagnostic [1]. Recently modeling of displacement of such particles has seen new developments like the calculation of the trajectory of a particle [2], or the calculation of the concentration of a great number of such particles, at the same time, in a magnetic and hydrodynamic fields [3]. It is shown here that the two approaches - determinist and statistical - are consistent when applied to the calculation of a Magnetic Field-Flow Fractionation channel (MFFF) [4]: both numerical models predict similar convective patterns and the same accumulation location on the channel wall. Moreover, the application to a MFFF shows that submicronic paramagnetic particles can be separated by such methods depending on their size and magnetic susceptibility.
Numerical Modeling of Magnetic Field Flow Fractionation in Microchannels: A Two-fold Approach Using Particle Trajectories and ConcentrationView PDF of paper
ISBN:0-9708275-0-4
Pages:638
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