TY - JOUR A1 - Cazelles, R. A1 - Lalaoui, N. A1 - Hartmann, Tobias A1 - Leimkühler, Silke A1 - Wollenberger, Ursula A1 - Antonietti, Markus A1 - Cosnier, S. T1 - Ready to use bioinformatics analysis as a tool to predict immobilisation strategies for protein direct electron transfer (DET) JF - Polymer : the international journal for the science and technology of polymers KW - Bioinformatic KW - Bioelectrocatalysis KW - Electron transfer KW - Dehydrogenase KW - Nicotinamide Y1 - 2016 U6 - https://doi.org/10.1016/j.bios.2016.04.078 SN - 0956-5663 SN - 1873-4235 VL - 85 SP - 90 EP - 95 PB - Elsevier CY - Oxford ER - TY - JOUR A1 - Frasca, Stefano A1 - Milan, Anabel Molero A1 - Guiet, Amandine A1 - Goebel, Caren A1 - Perez-Caballero, Fernando A1 - Stiba, Konstanze A1 - Leimkühler, Silke A1 - Fischer, Anna A1 - Wollenberger, Ursula T1 - Bioelectrocatalysis at mesoporous antimony doped tin oxide electrodes-Electrochemical characterization and direct enzyme communication JF - ELECTROCHIMICA ACTA N2 - In this paper we report immobilization and bioelectrocatalysis of human sulfite oxidase (hSO) on nanostructured antimony doped tin oxide (ATO) thin film electrodes. Two types of ATO thin film electrodes were prepared via evaporation induced self-assembly of ATO nanoparticle sols. The use of a porogen results in different porosity and film thickness. Nevertheless both electrode types reveal similar quasi reversible electrochemical behavior for positive and negatively charged small mediators. Facile and durable immobilization of catalytically active enzyme in a direct electron transfer configuration was achieved without further chemical modification of the ATO surfaces. Interestingly, the binding of hSO onto the ATO surface seems to be not only of electrostatic nature, but also originates from a strong interaction between the histidine-tag of the enzyme and the supporting material. This is suggested from stable sulfite dependent bioelectrocatalytic signals at high ionic strength and imidazole desorption experiments. As such, ATO appears as a promising conductive platform for the immobilization of complex enzymes and their application in bioelectrocatalysis. (C) 2013 Elsevier Ltd. All rights reserved. KW - Antimony doped tin dioxide KW - Sulfite oxidase KW - Direct electrochemistry KW - Biosensor KW - Bioelectrocatalysis Y1 - 2013 U6 - https://doi.org/10.1016/j.electacta.2013.03.144 SN - 0013-4686 SN - 1873-3859 VL - 110 IS - 2 SP - 172 EP - 180 PB - PERGAMON-ELSEVIER SCIENCE LTD CY - OXFORD ER - TY - JOUR A1 - Zeng, Ting A1 - Frasca, Stefano A1 - Rumschöttel, Jens A1 - Koetz, Joachim A1 - Leimkühler, Silke A1 - Wollenberger, Ursula T1 - Role of Conductive Nanoparticles in the Direct Unmediated Bioelectrocatalysis of Immobilized Sulfite Oxidase JF - Electroanalysis : an international journal devoted to fundamental and practical aspects of electroanalysis KW - Direct electron transfer KW - Protein voltammetry KW - Human sulfite oxidase KW - Bioelectrocatalysis KW - Nanoparticles Y1 - 2016 U6 - https://doi.org/10.1002/elan.201600246 SN - 1040-0397 SN - 1521-4109 VL - 28 SP - 2303 EP - 2310 PB - Wiley-VCH CY - Weinheim ER -