期刊论文

Deng, Peihong

英文

Journal of Pharmaceutical and Biomedical Analysis

0731-7085

2013

76

6

234-242

10.1016/j.jpba.2012.12.032

Project of National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21105024]; Project of Education Department of Hunan Province [11CY002, 12C0536]; Hunan Provincial Natural Science Foundation of ChinaNatural Science Foundation of Hunan Province [11JJ9005]; Open Fund of Key Laboratory of Functional Organometallic Materials of Ordinary University in Hunan Province [12K125]; Key Discipline Project of Hunan Province; Research Award Fund for Outstanding Young Teachers of Hunan Province [2011]

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In this paper, the simultaneous voltammetric determination of ascorbic acid (AA) and rutin (Ru) has been achieved at an acetylene black paste electrode modified with multi-walled carbon nanotubes-chitosan composite film (denoted as MWCNTs-CHIT/ABPE). Compared with bare electrode, the peak currents of AA and Ru at MWCNTs-CHIT/ABPE increased greatly and the anodic peak potential difference (Delta E-pa) between AA and Ru are up to 342 mV, which is undoubtedly attributed to the unique characteristics of AB and MWCNTs such as excellent electric conductivity, high surface area and strong adsorptive ...