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Traveling-Wave Electrophoresis for Microfluidic Separations

Document Type

Presentation

Journal/Book Title/Conference

Traveling-Wave Electrophoresis for Microfluidic Separations

Publication Date

2009

Abstract

Models and microfluidic experiments are presented of an electrophoretic separation technique in which charged particles whose mobilities exceed a tunable threshold are trapped between the crests of a longitudinal electric wave traveling through a stationary viscous fluid. The wave is created by applying periodic potentials to electrode arrays above and below a microchannel. Predicted average velocities agree with experiments and feature chaotic attractors for intermediate mobilities.

Comments

WVNano brown bag lunch series, West Virginia University, Morgantown, West Virginia

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