Cathodic stripping voltammetric behaviour of copper complexes of glycylgylcyl-l-histidine at a hanging mercury drop electrode. Determination of trace amounts of glycylglycyl-l-histidine

Abstract

The behaviour of copper complexes with glycylglycyl-l-histidine (GGH) was investigated using cyclic voltammetry and adsorptive differential pulse cathodic stripping voltammetry. The nature of the observed cathodic and anodic peaks was established and optimum conditions have been found for the determination of nanomolar levels of GGH by means of differential pulse cathodic stripping voltammetry after accumulation in the presence of excess copper at -0.20 V vs. AgAgCl reference electrode and using the stripping peak around -0.40 V which corresponds to the reduction of the copper(I)-GGH complex.

Original language	English
Pages (from-to)	41-51
Number of pages	11
Journal	Analytica Chimica Acta
Volume	278
Issue number	1
DOIs	https://doi.org/10.1016/0003-2670(93)80083-W
Publication status	Published - 6 Jun 1993
Externally published	Yes

Keywords

Copper complexes
Cyclic voltammetry
Glycylglycyl-l-histidine
Stripping voltammetry

ASJC Scopus subject areas

Analytical Chemistry
Environmental Chemistry
Biochemistry
Spectroscopy

Access to Document

10.1016/0003-2670(93)80083-W

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Cathodic stripping voltammetric behaviour of copper complexes of glycylgylcyl-l-histidine at a hanging mercury drop electrode. Determination of trace amounts of glycylglycyl-l-histidine. / Fogg, Arnold G.; Nil Ertas, F.; Moreira, Josino C.; Barek, Jiri.

In: Analytica Chimica Acta, Vol. 278, No. 1, 06.06.1993, p. 41-51.

Research output: Contribution to journal › Article › peer-review

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abstract = "The behaviour of copper complexes with glycylglycyl-l-histidine (GGH) was investigated using cyclic voltammetry and adsorptive differential pulse cathodic stripping voltammetry. The nature of the observed cathodic and anodic peaks was established and optimum conditions have been found for the determination of nanomolar levels of GGH by means of differential pulse cathodic stripping voltammetry after accumulation in the presence of excess copper at -0.20 V vs. AgAgCl reference electrode and using the stripping peak around -0.40 V which corresponds to the reduction of the copper(I)-GGH complex.",

keywords = "Copper complexes, Cyclic voltammetry, Glycylglycyl-l-histidine, Stripping voltammetry",

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AU - Fogg, Arnold G.

AU - Nil Ertas, F.

AU - Moreira, Josino C.

AU - Barek, Jiri

PY - 1993/6/6

Y1 - 1993/6/6

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AB - The behaviour of copper complexes with glycylglycyl-l-histidine (GGH) was investigated using cyclic voltammetry and adsorptive differential pulse cathodic stripping voltammetry. The nature of the observed cathodic and anodic peaks was established and optimum conditions have been found for the determination of nanomolar levels of GGH by means of differential pulse cathodic stripping voltammetry after accumulation in the presence of excess copper at -0.20 V vs. AgAgCl reference electrode and using the stripping peak around -0.40 V which corresponds to the reduction of the copper(I)-GGH complex.

KW - Copper complexes

KW - Cyclic voltammetry

KW - Glycylglycyl-l-histidine

KW - Stripping voltammetry

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