Electrohydrodynamic effects in continuous flow electrophoresis.

P. H. Rhodes, R. S. Snyder, G. O. Roberts, J. C. Baygents

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


We demonstrate experimentally and theoretically the importance of electrohydrodynamic (EHD) flows in continuous-flow electrophoresis (CFE) separations. These flows are associated with variations in the conductivity or dielectric constant, and are quadratic in the field strength. They appear to be the main cause of extraneous and undesired flows in CFE which have degraded separation performance and have until now not been explained. We discuss the importance of EHD flows relative to other effects. We also describe possible techniques for reducing the associated degradation of CFE separations.

Original languageEnglish (US)
Pages (from-to)87-91
Number of pages5
JournalApplied and theoretical electrophoresis : the official journal of the International Electrophoresis Society
Issue number2-3
StatePublished - 1991

ASJC Scopus subject areas

  • General Medicine


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