Electrochemistry of bilirubin oxidase at carbon nanotubes

W. Zheng, H. Y. Zhao, H. M. Zhou, X. X. Xu, M. H. Ding, Y. F. Zheng

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

In this paper, we compared the direct electron transfer and electrocatalytic properties of bilirubin oxidase (BOD) immobilized at two kinds of carbon nanotubes (CNTs), bamboo-CNTs and uniform-CNTs. X-ray diffraction and X-ray photoelectron spectroscopy results indicated that the ratio of sp 2 band to sp 3 band and the content of oxygen-containing groups at the surface of uniform-CNTs were higher than that of bamboo-CNTs. Moreover, uniform-CNTs can be well separated at the surface of the electrode. Better electrochemical and electrocatalytic properties of BOD immobilized at uniform-CNTs were shown.

Original languageEnglish
Pages (from-to)249-254
Number of pages6
JournalJournal of Solid State Electrochemistry
Volume14
Issue number2
DOIs
Publication statusPublished - Feb 2010
Externally publishedYes

Keywords

  • Bilirubin oxidase
  • Biofuel cell
  • Carbon nanotubes
  • Direct electron transfer
  • Oxygen reduction

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