Title : Screen printed graphite macroelectrodes for the direct electron transfer of cytochrome c.

Pub. Date : 2011 May 21

PMID : 21461416






3 Functional Relationships(s)
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1 Screen printed graphite macroelectrodes for the direct electron transfer of cytochrome c. Graphite cytochrome c, somatic Homo sapiens
2 We report the direct electrochemistry of cytochrome c at screen printed graphite electrodes which exhibits quasi-reversible voltammetric responses without the need for any chemical or electrochemical pre-treatment, use of mediators or nanomaterials. Graphite cytochrome c, somatic Homo sapiens
3 Through voltammetric studies and X-ray photoelectron spectroscopy (XPS) it is shown that carbonyl and carboxylic surface oxygenated species likely residing at edge plane like- sites/defects of the graphite comprising the screen printed electrodes are responsible for the favourable interaction of the cytochrome c with that of the screen printed electrochemical sensing platform. Graphite cytochrome c, somatic Homo sapiens