Electrocatalytic activity of cobalt phthalocyanine stabilized by different matrixes (Articolo in rivista)

Type
Label
  • Electrocatalytic activity of cobalt phthalocyanine stabilized by different matrixes (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Alternative label
  • Ballarin B., Gazzano M., De Cisneros J. et al. (2002)
    Electrocatalytic activity of cobalt phthalocyanine stabilized by different matrixes
    in Analytical & bioanalytical chemistry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ballarin B., Gazzano M., De Cisneros J. et al. (literal)
Pagina inizio
  • 891 (literal)
Pagina fine
  • 897 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 374 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Electrocatalytic activity of cobalt phthalocyanine stabilized by different matrixes (literal)
Abstract
  • The behavior of cobalt phthalocyanine complexes incorporated inside an hydrotalcite-like clay (HT) or a sonogel-carbon composite has been investigated in order to develop chemically modified electrodes suitable for use as amperometric defectors. The electrocatalytic oxidation process of cysteine at this new electrode has been studied by cyclic voltammetry. For comparison, the oxidation of cysteine catalyzed by the cobalt phthalocyanine complex as a redox mediator, either dissolved in solution or entrapped inside the HT structure, has been followed by polarography. The sonogel-carbon composite electrode is stable and its response is repeatable. Cysteine oxidation is actually induced by the electrogenerated Co(III) complex, and the relevant anodic peak current varies linearly with cysteine concentration within the range 9.0x10(-4) to 1.0X10(-2) mol L-1 (literal)
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