Analytica Chimica Acta 2012-04-20

Glucose biosensor based on three dimensional ordered macroporous self-doped polyaniline/Prussian blue bicomponent film.

Xiaojun Chen, Zixuan Chen, Rong Tian, Wei Yan, Cheng Yao

文献索引：Anal. Chim. Acta 723 , 94-100, (2012)

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摘要

In this paper, a three dimensional ordered macroporous self-doped polyaniline/Prussian blue (3DOM SPAN/PB) bicomponent film was fabricated via the inverted crystal template technique using step-by-step electrodeposition. In this bicomponent film, PB not only acted as a redox mediator, but also presented increased stability in neutral or weak alkaline solution by the protection of SPAN layer on the top. A novel glucose biosensor was fabricated based on the large active surface area and excellent conductivity possessed by the 3DOM SPAN/PB film. The applying experimental conditions of the glucose biosensor have been optimized. Under the optimal conditions, the biosensor showed a wide linear range over three orders of magnitude in glucose concentrations (from 2 to 1600 μM) and a low detection limit of 0.4 μM. Moreover, the biosensor exhibited short response time, high selectivity and excellent operation stability, which can be applied to detect the blood sugar in real samples without any pretreatment.Copyright © 2012 Elsevier B.V. All rights reserved.

相关化合物

  • 3-氨基苯磺酸

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