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Mesoporous indium tin oxide as a novel platform for bioelectronics

  • Stable immobilization and reversible electrochemistry of cytochrome c in a tranparent indium tin oxide film with a well-defined mesoporosity (mpITO) is demonstrated. the transparency and good conductivity, in combination with the large surface area of mpITO, allow the incorporation of a high amount of elelctroactive biomolecules and their electrochemical and spectroscopic investigation. UV/Vis and resonance Raman spectroscopy, in combination with direct protein voltammetry are employed for the characterization of cytochrome c immobilized in the mpITO and reveal no perturbant of the structural of the integrity of the redox protein. The potential of this modified material as a biosensor detection of superoxide anions is also demonstrated.

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Author:Stefano Frasca, Till von Graberg, Jiu-Ju Feng, Arne Thomas, Bernd M. Smarsly, Inez M. Weidinger, Frieder W. SchellerORCiDGND, Peter Hildebrandt, Ursula WollenbergerORCiDGND
Document Type:Article
Year of first Publication:2010
Year of Completion:2010
Release Date:2017/03/25
Source:ChemCatChem. - ISSN 1867-3880. - 2 (2010), 7, S. 839 - 845
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Biochemie und Biologie
Peer Review:Referiert