Electrochemical responses of catecholamines at a cyclodextrin monolayer-modified electrode

Iwao Suzuki, Yuya Egawa, Jun Ichi Anzai

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Electrode reactions of catecholamines were investigated by employing a gold electrode covered with a monolayer of a cyclodextrin derivative (1), which was prepared from bis (ω-carboxyundecyl) disulfide and 6-amino-6-O-deoxy- β-cyclodextrin. The electrode reaction of L-DOPA was mostly prevented by a 1-monolayer at the surface of a gold electrode. On the other hand, the electrode reactions of dopamine, norepinephrine, epinephrin still maintained about 50-30% of their original values when compared with corresponding anodic peak currents. Combining the results on the electrode reactions of ferrocene derivatives at the 1-monolayer modified electrode, we considered that the 1-monolayer would recognize the presence or absence of the carboxyl group in catecholamines.

Original languageEnglish
Pages (from-to)403-407
Number of pages5
JournalBUNSEKI KAGAKU
Volume51
Issue number6
DOIs
Publication statusPublished - 2002 Jun

Keywords

  • Catecholamines
  • Cyclic voltammetry
  • Cyclodextrin
  • Self-assembled membrane

ASJC Scopus subject areas

  • Analytical Chemistry

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