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Ephedrine-copper-carbon interactions: An electroanalytical investigation

Platts, M, Smith, RB, Mould, N and Davis, J (2006) Ephedrine-copper-carbon interactions: An electroanalytical investigation. ELECTROCHEMISTRY COMMUNICATIONS, 8 (4). pp. 633-637. [Journal article]

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DOI: 10.1016/j.elecom.2006.01.014


The electrochemical behaviour of ephedrine at carbon fibre electrodes has been investigated as a preliminary step in the development of a decentralised sensor for the alkaloid. The reaction pathway has been examined and key intermediates (principally benzaldehyde) resulting from the electrode processes identified by complementary chromatographic (GC-MS) and spectroscopic methods (NMR). A novel detection strategy has been developed in which the in situ manipulation of pH at the electrode interface induces a shift in the oxidation potential of the ephedrine to a region where it can be readily quantified. The electrochemical basis from which local pH can be controlled is outlined and the detection methodology is examined with respect to the influence of potential interferences (ascorbate and urate). (c) 2006 Published by Elsevier B.V.

Item Type:Journal article
Faculties and Schools:Faculty of Computing & Engineering
Faculty of Computing & Engineering > School of Engineering
Research Institutes and Groups:Engineering Research Institute
Engineering Research Institute > Nanotechnology & Integrated BioEngineering Centre (NIBEC)
ID Code:14332
Deposited By: Professor James Davis
Deposited On:01 Jul 2010 08:27
Last Modified:18 Aug 2011 10:19

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