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AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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The STUDIA UNIVERSITATIS BABEÅž-BOLYAI issue article summary The summary of the selected article appears at the bottom of the page. In order to get back to the contents of the issue this article belongs to you have to access the link from the title. In order to see all the articles of the archive which have as author/co-author one of the authors mentioned below, you have to access the link from the author's name. |
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STUDIA CHEMIA - Issue no. 2 / 2004 | |||||||
Article: |
GRAPHITE ELECTRODE MODIFIED BY CHARGE TRANSFER COMPLEX BETWEEN TETRACYANOQUINODIMETHANE AND 16H,18H-DIBENZO[C,1]-7,9-DITHIA-16,18-DIAZAPENTACENE USED FOR NADH ELECTRO-OXIDATION. Authors: DELIA M. GLIGOR, MARIUS SOCOL, IONEL CĂTĂLIN POPESCU, CASTELIA CRISTEA, IOAN ALEXANDRU SILBERG. |
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Abstract: The electrochemical behavior of a new charge transfer complex between 7,7,8,8-tetracyanoquinodimethane and 16H,18H-dibenzo[c,1]-7,9-dithia-16,18-diaza-pentacene adsorbed on spectrographic graphite has been investigated. Cyclic voltammetry measurements, performed in aqueous buffer solutions at different potential scan rates and pH values, pointed out to a quasi-reversible, surface confined redox process. The voltammetric response involves the transfer of 1e-/1H+, with a heterogeneous rate constant of 26.8 s-1 (pH 7.0). The modified electrodes showed a good electrochemical stability as well as moderate electrocatalytic activity toward NADH electro–oxidation. | |||||||
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