Electric-field controle of the pH-dependent redox process of cytochrome c immobilized on gold electrode

B. Jin, G.X. Wang, D. Millo, P. Hildebrandt, X.A. Xia

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

The pH-dependent redox processes of cytochrome c (cyt c) immobilized on a gold electrode that was coated with a self-assembled monolayer (SAM) of mercaptounadecanoic acid (MUA) were studied by electrochemical methods combined with quartz crystal microbalance (QCM) and surface enhanced infrared absorption (SEIRA) spectroscopy. Variation of the solution pH in the range from 4.0 to 10.0 determines the surface charge of the SAM, for which an apparent pK
Original languageEnglish
Pages (from-to)13038-13044
Number of pages7
JournalThe Journal of Physical Chemistry C
Volume116
DOIs
Publication statusPublished - 2012

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