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Microchimica Acta 2006, 152(3-4), 261-265

Microchip capillary electrophoresis with a single-wall carbon nanotube/gold electrochemical detector for determination of aminophenols and neurotransmitters

A new SWCNT modified gold detector for microchip capillary electrophoresis-electrochemistry is described. SWCNT modified gold electrode displays greatly improved sensitivity and separation resolution compared to bare gold electrode, reflecting the electrocatalytic activity of SWCNT. The SWCNT/Au electrode exhibits low background noise levels. Parameters such as separation voltage and detection potential of the microchip electrophoresis-electrochemistry with SWCNT modified gold electrode were optimized.

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