Electrosynthesis of Pyrenediones on Carbon Nanotube Electrodes for Efficient Electron Transfer with FAD-dependent Glucose Dehydrogenase in Biofuel Cell Anodes

Pierre Yves Blanchard, Paulo Henrique M. Buzzetti, Bridget Davies, Yannig Nedellec, Emerson Marcelo Girotto, Andrew J. Gross, Alan Le Goff, Yuta Nishina, Serge Cosnier, Michael Holzinger

Research output: Contribution to journalArticle

Abstract

A particularly efficient redox mediator for electron transfer between FAD-dependent glucose dehydrogenase (FAD-GDH) and carbon nanotube (CNT) based electrodes can be obtained via electrosynthetic oxidation of pyrene in aqueous buffer solution. 1H-NMR spectroscopic studies reveal the formation of a 2 : 1 mixture of 1,6-pyrenedione and 1,8-pyrenedione at the electrode. The formed pyrenedione exhibits a well-defined surface-bound redox system at −0.1 V vs. SCE and provides excellent electron transfer kinetics with this enzyme. Furthermore, the π-system of pyrenedione allows improved stacking behavior with the CNT walls, leading to enhanced stabilities compared to commonly used mediators like naphthoquinone. The electrosynthesis of pyrenedione for catalytic glucose oxidation is optimal at pH 2 using cyclic voltammetry or chronoamerometry. It is envisioned that the electrosynthetic methodology can be expanded to form different redox mediators for a series of enzymes.

Original languageEnglish
Pages (from-to)5242-5247
Number of pages6
JournalChemElectroChem
Volume6
Issue number20
DOIs
Publication statusPublished - Oct 15 2019

Fingerprint

Glucose 1-Dehydrogenase
Biological fuel cells
Carbon Nanotubes
Flavin-Adenine Dinucleotide
Glucose
Carbon nanotubes
Anodes
Electrodes
Electrons
Enzymes
Naphthoquinones
Enzyme kinetics
Oxidation
Pyrene
Cyclic voltammetry
Buffers
Nuclear magnetic resonance
Kinetics
Oxidation-Reduction
Oxidoreductases

Keywords

  • biofuel cells
  • carbon nanotubes
  • electron transfer
  • FAD-dependent glucose dehydrogenase
  • molecular electrochemistry

ASJC Scopus subject areas

  • Catalysis
  • Electrochemistry

Cite this

Blanchard, P. Y., Buzzetti, P. H. M., Davies, B., Nedellec, Y., Girotto, E. M., Gross, A. J., ... Holzinger, M. (2019). Electrosynthesis of Pyrenediones on Carbon Nanotube Electrodes for Efficient Electron Transfer with FAD-dependent Glucose Dehydrogenase in Biofuel Cell Anodes. ChemElectroChem, 6(20), 5242-5247. https://doi.org/10.1002/celc.201901666

Electrosynthesis of Pyrenediones on Carbon Nanotube Electrodes for Efficient Electron Transfer with FAD-dependent Glucose Dehydrogenase in Biofuel Cell Anodes. / Blanchard, Pierre Yves; Buzzetti, Paulo Henrique M.; Davies, Bridget; Nedellec, Yannig; Girotto, Emerson Marcelo; Gross, Andrew J.; Le Goff, Alan; Nishina, Yuta; Cosnier, Serge; Holzinger, Michael.

In: ChemElectroChem, Vol. 6, No. 20, 15.10.2019, p. 5242-5247.

Research output: Contribution to journalArticle

Blanchard, PY, Buzzetti, PHM, Davies, B, Nedellec, Y, Girotto, EM, Gross, AJ, Le Goff, A, Nishina, Y, Cosnier, S & Holzinger, M 2019, 'Electrosynthesis of Pyrenediones on Carbon Nanotube Electrodes for Efficient Electron Transfer with FAD-dependent Glucose Dehydrogenase in Biofuel Cell Anodes', ChemElectroChem, vol. 6, no. 20, pp. 5242-5247. https://doi.org/10.1002/celc.201901666
Blanchard, Pierre Yves ; Buzzetti, Paulo Henrique M. ; Davies, Bridget ; Nedellec, Yannig ; Girotto, Emerson Marcelo ; Gross, Andrew J. ; Le Goff, Alan ; Nishina, Yuta ; Cosnier, Serge ; Holzinger, Michael. / Electrosynthesis of Pyrenediones on Carbon Nanotube Electrodes for Efficient Electron Transfer with FAD-dependent Glucose Dehydrogenase in Biofuel Cell Anodes. In: ChemElectroChem. 2019 ; Vol. 6, No. 20. pp. 5242-5247.
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