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Microchip Capillary Electrophoresis with a Single-Wall Carbon Nanotube/Gold Electrochemical Detector for Determination of Aminophenols and Neurotransmitters

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Abstract.

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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Authors and Affiliations

  1. Grup de Sensors i Biosensors, Departament de Química, Universitat Autònoma de Barcelona, E-08193, Bellaterra, Barcelona, Catalonia, Spain

    Martin Pumera, Xavier Llopis, Arben Merkoçi & Salvador Alegret

Authors
  1. Martin Pumera
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  2. Xavier Llopis
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  3. Arben Merkoçi
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  4. Salvador Alegret
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Corresponding author

Correspondence to Arben Merkoçi.

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Pumera, M., Llopis, X., Merkoçi, A. et al. Microchip Capillary Electrophoresis with a Single-Wall Carbon Nanotube/Gold Electrochemical Detector for Determination of Aminophenols and Neurotransmitters. Microchim Acta 152, 261–265 (2006). https://doi.org/10.1007/s00604-005-0438-0

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  • DOI: https://doi.org/10.1007/s00604-005-0438-0

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