Combined electrophoretic and electro-osmotic transport through channels of periodically varying cross section

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Abstract

The results derived by Yariv and Dorfman [Phys. Fluids 19, 037101 (2007).] for the electrophoretic transport of a point-size Brownian particle in a narrow channel of periodically varying cross section are generalized to joint electrophoretic and electro-osmotic flow (or purely electro-osmotic flow, in the case of a neutral particle) in a channel possessing a uniform zeta potential by a suitable change in the definition of the Péclet number.

Original languageEnglish (US)
Article number037102
JournalPhysics of Fluids
Volume20
Issue number3
DOIs
StatePublished - Mar 2008

Keywords

  • Channel flow
  • Electrokinetic effects
  • Electrophoresis
  • Osmosis

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