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In this work, we present the fabrication method and the experimental results of a dielectrophoretic (DEP) device for particle batch separation. The curved parts of serpentine microchannel that causes performance deterioration in capillary electrophoresis (CE) due to the plug dispersion are effectively used in our design for dielectrophoretic separation. The top-and-bottom focusing electrodes are employed...
In this work, a novel device for batch separation of particles based on dielectrophoresis (DEP) is presented. The curved parts of serpentine micro-channel that causes performance deterioration in capillary electrophoresis (CE) due to the plug dispersion are effectively used in our design for dielectrophoretic separation. The top-and-bottom focusing electrodes are employed in the intermediate straight...
In this work, we present a method to compensate the plug dispersion for the moving field capillary electrophoresis (CE) application. A forward electroosmotic pump (EOP) will be employed to compensate the back flow in the active separation segment. The required driving voltage of the EOP was analyzed as a function of the channel topology. Two channel topologies are proposed and investigated with the...
Current paper describes the testing, alignment and bonding of a PDMS-glass bonded microfluidic device used for single cell analysis. The channels were successfully tested using carboxylate modified polystyrene beads for any leakage. Polystyrene beads of 2 mum have been successfully trapped within the reservoir of the device by well known dielectrophoresis technique and the same technique will be used...
We present a novel device for continuous separation based on dielectrophoresis (DEP), where the non-uniform electric field is generated by applying a dc voltage over a circular channel structure instead of ac electrodes. The finite element simulation result shows it has the potential to separate particles of different sizes and dielectric properties in both spatial and time domain. Compared with the...
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