Paper Title:
A Super Highly Sensitive Glucose Biosensor Based on Ag/PPy Nanoparticle-Ethyl Cellulose Hybrid Materials
  Abstract

Ag/polypyrrole(PPy) composite nanoparticles within 100 to 150nm diameter were successfully synthesized. Fourier transform infrared spectroscopy(FTIR) and X-ray diffraction patterns(XRD) data suggested that the nanoparticles were composed of Ag and PPy. An amperometric glucose biosensor was fabricated by adsorbing of glucose oxidase(GOx) to an Ag/PPy nanoparticle-ethyl cellulose composite material modified platinum electrode. The biosensor exhibited a super highly sensitive response to the analyte with a detection limit of 1.0×10-7mol/L. Moreover, the biosensor showed quick current response. The effects of some factors, such as working voltage, pH value , mensuration temperature and mass ratio of Ag/PPy nanoparticles to ethyl cellulose, were also studied.

  Info
Periodical
Edited by
Guosheng Gai
Pages
15-20
DOI
10.4028/www.scientific.net/AMR.58.15
Citation
X. Z. Ren, P. X. Zhang, J. H. Liu, Q. L. Zhang, "A Super Highly Sensitive Glucose Biosensor Based on Ag/PPy Nanoparticle-Ethyl Cellulose Hybrid Materials", Advanced Materials Research, Vol. 58, pp. 15-20, 2009
Online since
October 2008
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