Voltammetric and Spectroscopic Behaviour of the Copper Adducts of Thiol and Thioether Ligands under Aerobic and Anaerobic Conditions

Çakir, S.; Biçer, E.; Coşkun, E.; Naumov, P.; Çakir, O.

Artykuł - szczegóły

Tytuł artykułu

Voltammetric and Spectroscopic Behaviour of the Copper Adducts of Thiol and Thioether Ligands under Aerobic and Anaerobic Conditions

Autorzy

Çakir S. , Biçer E. , Coşkun E. , Naumov P. , Çakir O.

Identyfikatory

Warianty tytułu

Języki publikacji

Abstrakty

Joint spectroscopic (ESR, electronic absorption and FT IR) and voltammetric (squarewave and cyclic voltammetry) techniques were employed to investigate the properties of copper adducts with cysteine, N-acetylcysteine and methionine under aerobic and anaerobic conditions. The metal oxidation state in the solid and solvated adducts adheres to the presence of oxygen, whereas ESR results (g__ = 2.245, g_ = 2.059,A__= 170 Gauss) reveal tetragonally distorted octahedral copper(II) environment under aerobic circumstances. In presence of the thiol and thioether ligands under nitrogen voltammetric measurements evidence formation of copper(I) species.

Słowa kluczowe

amino acids copper complexes redox reactions spectroscopy thioether thiol voltammetry

Wydawca

Polskie Towarzystwo Chemiczne

Czasopismo

Polish Journal of Chemistry

Rocznik

2002

Tom

Vol. 76 / nr 5

Strony

663--669

Opis fizyczny

Bibliogr. 35 poz., rys.

Twórcy

autor

Çakir S.

Department of Chemistry, Faculty of Arts and Sciences, On Dokuz MayIs University, 55139, Kurupelit, Samsun, Turkey

autor

Biçer E.

Department of Chemistry, Faculty of Arts and Sciences, On Dokuz MayIs University, 55139, Kurupelit, Samsun, Turkey

autor

Coşkun E.

Department of Chemistry, Faculty of Arts and Sciences, On Dokuz MayIs University, 55139, Kurupelit, Samsun, Turkey

autor

Naumov P.

Institute of Chemistry, Faculty of Science, "Sv. Kiril i Metodij" University, PO Box 162, MK-91001 Skopje, Macedonia

autor

Çakir O.

Department of Chemistry, Faculty of Arts and Sciences, On Dokuz MayIs University, 55139, Kurupelit, Samsun, Turkey

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Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-article-BUJ1-0020-0072