期刊
COLLOIDS AND SURFACES B-BIOINTERFACES
卷 89, 期 -, 页码 108-116出版社
ELSEVIER
DOI: 10.1016/j.colsurfb.2011.09.002
关键词
Mesoporous material; Polyaniline; Structure directing agents; Glucose biosensor; Electrochemical detection
资金
- Council of Scientific and Industrial Research, New Delhi
Mesostructured polyaniline was prepared by the self-assembly of a mixture of an anionic surfactant, sodium dodecylsulfate and a non-ionic polymeric surfactant (polyethylene glycol, and block-co-polymers such as Pluronic P123 and Brij-35). Materials were characterized by a complementary combination of X-ray diffraction, Scanning electron microscopy. Fourier-transform infrared spectrometer and UV-visible spectrophotometer. Mesostructured polyaniline was used for construction of biosensor, which displayed excellent electrocatalytic response for the detection of H2O2 and glucose compared to conventional polyaniline. The electrocatalytic response observed in the case of mesostructured polyaniline can be correlated with the large surface area and nanopores which enhances the accessibility of H2O2/glucose molecule to the active site that result in high observed current. The methodology adopted in the present study provides a new platform for the fabrication of polyaniline based high-performance glucose and other biosensors. (C) 2011 Elsevier B.V. All rights reserved.
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