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Electrochemical sensor for the quantification of dopamine using glassy carbon electrodes modified with single-wall carbon nanotubes covalently functionalized with polylysine

Gutierrez, Alejandro et al · Wiley VCH Verlag · 2015

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Author / responsible party
Gutierrez, Alejandro et al
Publisher
Wiley VCH Verlag
Year
2015
ISSN
1565-1571
ISSN
1565-1571
Language
English

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We report a dopamine electrochemical sensor based on the modification of glassy carbon electrodes (GCE) with polylysine‐functionalized single‐wall carbon nanotubes (SWCNT‐PLys). The resulting electrodes (GCE/SWCNT‐PLys) showed a significant improvement in the electrooxidation of dopamine with drastic decrease in the peak potentials separation and important enhancement in the associated currents. Dopamine was detected by differential pulse voltammetry‐adsorptive stripping with medium exchange at nanomolar levels even in the presence of high excess of ascorbic and uric acids. The sensor was successfully used for the quantification of dopamine in urine samples enriched with the neurotransmitter. Fil: Gutierrez, Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina Fil: Gasnier, Aurelien. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina

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APA 7

Gutierrez, A. E. A. (2015). Electrochemical sensor for the quantification of dopamine using glassy carbon electrodes modified with single-wall carbon nanotubes covalently functionalized with polylysine. http://hdl.handle.net/11336/43061

MLA

Gutierrez, Alejandro et al. "Electrochemical sensor for the quantification of dopamine using glassy carbon electrodes modified with single-wall carbon nanotubes covalently functionalized with polylysine." 2015. http://hdl.handle.net/11336/43061.

Chicago

Gutierrez, Alejandro et al. 2015. "Electrochemical sensor for the quantification of dopamine using glassy carbon electrodes modified with single-wall carbon nanotubes covalently functionalized with polylysine.". http://hdl.handle.net/11336/43061.

Harvard

Gutierrez, A. E. A. 2015, Electrochemical sensor for the quantification of dopamine using glassy carbon electrodes modified with single-wall carbon nanotubes covalently functionalized with polylysine, Wiley VCH Verlag, available at: http://hdl.handle.net/11336/43061 [Accessed 7 Aug. 2026].

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Title
Electrochemical sensor for the quantification of dopamine using glassy carbon electrodes modified with single-wall carbon nanotubes covalently functionalized with polylysine
Author / contributors
Gutierrez, Alejandro et al
Publisher
Wiley VCH Verlag
Publication year
2015
ISSN
1565-1571
ISSN
1565-1571
Language
English

Subjects

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Covalently-Functionalized Carbon Nanotubes; Glassy Carbon; Dopamine; Polylysine; https://purl.org/becyt/ford/1.4; https://purl.org/becyt/ford/1
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