A novel non-enzymatic electrochemical glucose sensor modified with FeOOH nanowire
A novel non-enzymatic electrochemical glucose sensor modified with FeOOH nanowire
复制标题
FeOOH纳米线修饰的新型非酶电化学葡萄糖传感器
DOI：
10.1016/j.elecom.2010.09.002
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发表时间：
2010-11
影响因子：
5.4
通讯作者：
Ning, Wang
中科院分区：
文献类型：
--
作者：
Xia, Cao;Ning, Wang
近年来，纳米技术的发展为制备具有良好性能的新型材料和器件铺平了道路，这些材料和器件在电化学传感器和生物传感器中具有重要的应用价值。在本文中，一种新的无酶葡萄糖传感器的开发上的发现，FeOOH纳米线实际上具有类似于天然过氧化物酶的内在酶模拟电催化活性。用FeOOH纳米线修饰的电极显示出宽的线性范围（15μM-3 mM）和高灵敏度（12.13μAmM−1）的葡萄糖传感。同时还观察到其他优异的性能，如高度可重复的响应、长期稳定性、良好的机械和化学稳定性，并且几乎可以完全避免抗坏血酸和多巴胺的干扰。该电极材料具有分析性能好、成本低、制备方法简单等优点，有望成为高效的葡萄糖传感器。
The recent development in the nanotechnology has paved the way for large number of new materials and devices of desirable properties which have useful functions for electrochemical sensor and biosensor applications. In this paper, a novel enzymeless glucose sensor is developed on the discovery that the FeOOH nanowire in fact possesses an intrinsic enzyme mimetic electrocatalytic activity similar to that found in natural peroxidases. The electrode modified with FeOOH nanowires showed a wide linear range (15μM–3mM) and high sensitivity (12.13μAmM−1) for glucose sensing. Other excellent performances such as highly reproducible response, long-term stability, sound mechanical and chemical stability are also observed, and the interferences of ascorbic acid and dopamine can almost be completely avoided. The good analytical performance, low cost and straightforward preparation method made this novel electrode material promising for the development of effective glucose sensors.
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