DOAJ Open Access 2007

Glucose biosensor based on platinum nanoparticles supported sulfonated-carbon nanotubes modified glassy carbon electrode

H.J. Wang C.M. Zhou F. Peng H. Yu

Abstrak

Highly dispersed Pt nanoparticles supported on sulfonated multiwalled carbon nanotubes (Pt/sulfonated-MWCNTs) were used to modify glassy carbon (GC) electrode and then glucose oxidase was immobilized on the Pt/sulfonated-MWCNTs/GC electrode to construct a GOD/Pt/sulfonated-MWCNTs/GC glucose biosensor. The electrochemical and detection performance were evaluated by cyclic voltammogram and chronoamperometry. The optimum detection conditions were determined and the stability was studied. The results show that the GOD/Pt/sulfonated-MWCNTs/GC glucose biosensor has much higher detection sensitivity of 0.56 μA/mM and much larger linear range up to 6.4 mM at rather lower working potential of 0.5 V. It can keep more than 85% of its initial activity after continuously using one hour. The results show that the resultant GOD/Pt/sulfonated-MWCNTs/GC glucose biosensor has high electrocatalytic activity and excellent detecting performance for glucose.

Topik & Kata Kunci

Industrial electrochemistry Physical and theoretical chemistry

Penulis (4)

H.J. Wang

C.M. Zhou

F. Peng

H. Yu

Format Sitasi

APA MLA BibTeX

Wang, H., Zhou, C., Peng, F., Yu, H. (2007). Glucose biosensor based on platinum nanoparticles supported sulfonated-carbon nanotubes modified glassy carbon electrode. https://doi.org/10.1016/S1452-3981(23)17091-X

Akses Cepat

PDF tidak tersedia langsung

Cek di sumber asli →

Lihat di Sumber doi.org/10.1016/S1452-3981(23)17091-X

Informasi Jurnal

Tahun Terbit: 2007
Sumber Database: DOAJ
DOI: 10.1016/S1452-3981(23)17091-X
Akses: Open Access ✓