Microchip capillary electrophoresis-electrochemistry with rigid graphite-epoxy composite detector

Martin Pumera, Arben Merkoçi, Salvador Alegret

Research output: Contribution to journalArticleResearchpeer-review

13 Citations (Scopus)


A new rigid graphite-epoxy composite electrode for electrochemical detection in microchip electrophoresis is described. The end-column wall-jet detection design relying on tubular rigid composite working electrode shows favorably low noise level and high signal-to-noise ratio when compared to glassy carbon detector. The performance of rigid graphite-epoxy composite detector was compared to glassy carbon detector using dopamine and catechol as model analytes. The various parameters of the microchip electrophoresis-rigid graphite-epoxy composite detector were optimized. © 2006 WileY-VCH Verlag GmbH & Co. KGaA.
Original languageEnglish
Pages (from-to)207-210
Issue number2
Publication statusPublished - 1 Jan 2006


  • Background noise
  • Electrochemical detection
  • Glassy carbon electrode
  • Microchip capillary electrophoresis
  • Rigid graphite epoxy composite


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