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Direct spectroelectrochemistry of peroxidases immobilised on mesoporous metal oxide electrodes: Towards reagentless hydrogen peroxide sensing
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Photochemistry and Molecular Science.
2009 (English)In: Analytica Chimica Acta, ISSN 0003-2670, E-ISSN 1873-4324, Vol. 648, no 1, 2-6 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, we employ two peroxidases (horseradish peroxidase, HRP and cytochrome c peroxidase, CcP) to demonstrate their ability to retain their redox and biological functions after their immobilisation on mesoporous TiO2 and SnO2 electrodes. We will also demonstrate the use of HRP immobilised on the metal oxide electrodes for the development of reagentless optical and electrochemical biosensors for the detection of hydrogen peroxide (H2O2) with low detection limit of 0.04 and 1 mu M, respectively. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2009. Vol. 648, no 1, 2-6 p.
Keyword [en]
Horseradish peroxidase, Cytochrome c peroxidase, Hydrogen peroxide, Biosensor, Titania, SnO2 electrodes
National Category
Chemical Sciences
URN: urn:nbn:se:uu:diva-128337DOI: 10.1016/j.aca.2009.06.031ISI: 000268609200001OAI: oai:DiVA.org:uu-128337DiVA: diva2:331294
Available from: 2010-07-22 Created: 2010-07-20 Last updated: 2010-07-22Bibliographically approved

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