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 journalArticle

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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