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Experimental study of the formation of high-resistivity zones at the gel/buffer interface in CE

  • Vyacheslav Khozikov
  • , Olga Kosobokova
  • , Gregory Citver
  • , George Tyshko
  • , Dmitri N. Gavrilov
  • , George Gudkov
  • , Vera Gorfinkel
  • Mayo Clinic Rochester, MN
  • Stony Brook University

Research output: Contribution to journalArticlepeer-review

Abstract

A novel, nondamaging method for experimental characterization of the formation and propagation of high-resistivity zones in CE, based on the measurement of time-dependent Joule heating on the outer capillary surface is proposed. The method detects propagation of resistive regions in capillaries in real time and allows the estimation of their velocity and resistance. The presented experimental data are in agreement with the results of the computer simulation as well as with previous data on the subject. The proposed method is useful for the development of new polymers as well as for the refinement and optimization of new CE protocols.

Original languageEnglish
Pages (from-to)317-321
Number of pages5
JournalElectrophoresis
Volume28
Issue number3
DOIs
StatePublished - Feb 2007

Keywords

  • CE
  • High-resistivity zone
  • Joule heating

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