Electrocatalytic and Analytical Response of β-Cyclodextrin Incorporated Carbon Nanotubes-Modified Electrodes Toward Guanine
Electrocatalytic and Analytical Response of β-Cyclodextrin Incorporated Carbon Nanotubes-Modified Electrodes Toward Guanine
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DOI：
10.1002/elan.200503333
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发表时间：
2005-11
期刊：
影响因子：
3
通讯作者：
Zonghua Wang;S. Xiao;Yue-Shen Chen
中科院分区：
文献类型：
--
作者：
Zonghua Wang;S. Xiao;Yue-Shen Chen
证明了β-环糊精掺入碳纳米管修饰电极（β-CD/CNT/E）用于水溶液中鸟嘌呤电催化氧化的效用。与传统电极相比，它显着降低了过电位并提高了峰值电流。系统讨论了β-CD/CNT/E的作用机制。结果表明，β-CD/CNT/E 的使用显然为鸟嘌呤的测定提供了一种有效的方法。根据鸟嘌呤信号，可以在检测限为 10 ng mL−1 的情况下识别 DNA 浓度的估计值。
The utility of β-cyclodextrin incorporated carbon nanotubes-modified electrodes (β-CD/CNT/E) for electrocatalytic oxidation of guanine in aqueous solution is demonstrated. Compared to the conventional electrode, it lowers the overpotential and enhances the peak current significantly. The action mechanism of β-CD/CNT/E was discussed systemically. The results demonstrated that the use of β-CD/CNT/E clearly provides an effective methodology for the determination of guanine. Based on the signal of guanine, an estimate of DNA concentration can be recognized with a limit of detection of 10 ng mL−1.