This paper investigates the comparison of glassy carbon to that of thin carbon films as electrode substrates. It is observed that the modification of the carbon surfaces, via the electrochemical reduction of aryl diazonium salts to the surface, occurs on both substrates in a similar fashion. Subsequent modification of the substrates with the peptide Gly-Gly-His attached to the bound layer, shows that both surfaces can be used in the detection of copper (II) in water solutions and at pH 7. © 2010 IEEE.
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