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Química Nova

Print version ISSN 0100-4042On-line version ISSN 1678-7064

Abstract

SILVA, José Alberto Fracassi da. Electrochemical detection in capillary electrophoresis. Quím. Nova [online]. 2003, vol.26, n.1, pp.56-64. ISSN 0100-4042.  http://dx.doi.org/10.1590/S0100-40422003000100012.

This review focuses the development of electrochemical detection systems coupled to capillary electrophoresis. Conductometric, amperometric, voltametric, and potentiometric modes of detection are reviewed. The positioning of the electrodes, interferences of high electric field, and the materials employed in the fabrication and modification of the electrodes are discussed. The advantages of the use of electrochemical detection with capillary electrophoresis, regarding to the sensitivity and selectivity, is exemplified with a large number of applications. Also, the use of electrochemical detection systems in microchip technology is addressed.

Keywords : capillary electrophoresis; electrochemistry; separation science.

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