Original title: Electrochemical behaviour of metallothioneins on silver amalgam electrodes
Authors: Šestáková, Ivana ; Josypčuk, Bohdan
Document type: Papers
Conference/Event: Moderní elektrochemické metody /31./, Jetřichovice (CZ), 2011-05-23 / 2011-05-27
Year: 2011
Language: eng
Abstract: Three different types of silver amalgam electrodes (p-AgSAE - polished silver solid amalgam electrode, m-AgSAE - mercury meniscus modified silver solid amalgam electrode and AgA-PE - silver amalgam paste electrode) were applied for voltammetric detection of metals bound in metallothionein (MT) molecule and for Brdička reaction with Co(III). The signals obtained with m-AgSAE and silver amalgam paste electrode correspond to signals observed on hanging mercury drop electrode (HMDE). Only p-AgSAE exhibits different behavior which is explained by the formation of AgMT. Formation of AgMT was demonstrated by dissapearance of Cd-Zn-MT peaks and by the increase of new peaks at -573 and -1050 mV, observed by differential pulse voltammetry on HMDE, when silver ions in excess were added to the Cd-Zn-MT solution.
Keywords: Brdička reaction; metallothionein; silver amalgam electrodes
Project no.: CEZ:AV0Z40400503 (CEP), IAA400400806 (CEP), GAP206/11/1638 (CEP)
Funding provider: GA AV ČR, GA ČR
Host item entry: Sborník přednášek. XXXI. Moderní elektrochemické metody, ISBN 978-80-254-9634-3

Institution: J. Heyrovsky Institute of Physical Chemistry AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0197620

Permalink: http://www.nusl.cz/ntk/nusl-42842


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Research > Institutes ASCR > J. Heyrovsky Institute of Physical Chemistry
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