介电谱
微分脉冲伏安法
循环伏安法
电化学
水平扫描速率
电极
材料科学
聚合
扫描电子显微镜
电化学气体传感器
核化学
伏安法
分析化学(期刊)
化学
有机化学
复合材料
聚合物
物理化学
作者
Mihrican Muti,Kübra Gençdağ,Fatma Merve Nacak,Alican Aslan
标识
DOI:10.1016/j.colsurfb.2013.01.018
摘要
In this study, electrochemical polymerized 5-amino-2-mercapto-1,3,4-thiadiazole (poly-AMT)-modified single-use graphite electrodes were fabricated for electrochemical monitoring of bisflavonoid, quercetin. The surfaces of p-AMT modified pencil graphite electrodes (PGEs) were firstly characterized by scanning electron microscopy (SEM) and electrochemical impedance spectroscopy (EIS) analysis. The conditions for electrochemical polymerization by using cyclic voltammetry (CV), such as scan rate and different potential cycles were optimized. Electrochemical behaviors of these electrodes were also investigated using differential pulse voltammetry (DPV) and EIS. A six-fold increase at quercetin signal was obtained by using p-AMT modified PGEs compared to unmodified electrodes.
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