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Reference type: Journal
Authors: Saumya V, Prathish KP, Dhanya S, Rao TP
Article Title: Mechanistic aspects of tyrosine sensing on an in situ copper oxide modified molecularly imprinted polypyrrole coated glassy carbon electrode.
Publication date: 2011
Journal: Journal of Electroanalytical Chemistry
Volume: 663
Issue: (2)
Page numbers: 53-58.
DOI: 10.1016/j.jelechem.2011.08.022
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1572665711004954

Abstract: The electrochemical sensing of different analytes with metal oxide modified electrodes by various mechanisms viz., free radial, catalytic, ion exchange, mixed ligand, ion association, etc., captured explicit attraction in the field of catalysis. Recently, we have reported the design and development of metal oxide modified and unmodified molecularly imprinted polypyrrole film coated glassy carbon based tyrosine sensors. The current paper highlights the mechanistic aspects of tyrosine sensing event on an in situ copper oxide modified molecularly imprinted polypyrrole coated glassy carbon electrode (MIPPy-GCE) in phosphate buffered solutions to explain the experimental findings. Complexation mechanism takes into account for the formation of both binary and ternary complexes of copper with tyrosine and/or phosphate. Electrocatalytic mechanism invokes the formation of copper (I) species
Template and target information: tyrosine
Author keywords: Response mechanism, In situ copper oxide, Molecular imprinted polypyrrole, Tyrosine sensing, Phosphate media

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