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Design of a new electrogenerated polyquinone film substituted with glutathione. Towards direct electrochemical biosensors

Reisberg, S. et al · Elsevier Science · 2010

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Author / responsible party
Reisberg, S. et al
Publisher
Elsevier Science
Year
2010
ISSN
1318-1325
ISSN
1318-1325
Language
English

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We developed a method to graft a tripeptide (glutathione) onto 5-hydroxy-1,4-naphthoquinone, an electropolymerizable molecule. The resulting thin conducting polymer presents a well-defined and stable electroactivity in neutral buffered solution, due to the embedded quinone group, and is able to covalently graft amino-modified DNA probe strands. It is shown that the bioelectrode presents positive current change following DNA hybridization. This makes a “signal-on” direct electrochemical DNA sensor. The results were obtained with low target concentration (50 nM) and the selectivity is excellent as a single-mismatch sequence can be discriminated from the full-complementary target Fil: Reisberg, S.. Université Paris-diderot, Associé Au Cnrs; Francia Fil: Acevedo, Diego Fernando. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados; Argentina

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APA 7

Reisberg, S. E. A. (2010). Design of a new electrogenerated polyquinone film substituted with glutathione. Towards direct electrochemical biosensors. http://hdl.handle.net/11336/109728

MLA

Reisberg, S. et al. "Design of a new electrogenerated polyquinone film substituted with glutathione. Towards direct electrochemical biosensors." 2010. http://hdl.handle.net/11336/109728.

Chicago

Reisberg, S. et al. 2010. "Design of a new electrogenerated polyquinone film substituted with glutathione. Towards direct electrochemical biosensors.". http://hdl.handle.net/11336/109728.

Harvard

Reisberg, S. E. A. 2010, Design of a new electrogenerated polyquinone film substituted with glutathione. Towards direct electrochemical biosensors, Elsevier Science, available at: http://hdl.handle.net/11336/109728 [Accessed 8 Aug. 2026].

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Title
Design of a new electrogenerated polyquinone film substituted with glutathione. Towards direct electrochemical biosensors
Author / contributors
Reisberg, S. et al
Publisher
Elsevier Science
Publication year
2010
ISSN
1318-1325
ISSN
1318-1325
Language
English

Subjects

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Glutathione; Conducting polymer; Electrochemical DNA sensor; Oligopeptide grafting; https://purl.org/becyt/ford/1.4; https://purl.org/becyt/ford/1
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