The role of electrohydrodynamic forces in the dielectrophoretic manipulation and separation of particles (original) (raw)

Journal of Electrostatics, 1999

Abstract

A dielectric particle suspended in a dielectric medium polarises under the influence of an electric field. If the field is non-uniform, the particle experiences a directional force and the resulting movement is referred to as dielectrophoresis. The high electric fields can also cause fluid motion, which in turn results in a viscous drag force on the particle. This paper outlines the application of dielectrophoresis to the sub-micrometre scale and discusses mechanisms responsible for fluid motion in small electrode structures. Preliminary ...

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