生物传感器
葡萄糖氧化酶
循环伏安法
化学
碳纳米管
生物催化
玻璃碳
堆积
电子转移
固定化酶
纳米管
氧化还原
纳米技术
化学工程
电极
电化学
材料科学
无机化学
有机化学
酶
物理化学
工程类
作者
Chunbo Jiang,Lianxi Zheng,Yang Liu
摘要
Glucose oxidase (GOx) was immobilized between aligned carbon nanotube films (ACNTFs) using a cross-stacking method without any purification and functionalization processes. Direct electron transfer of GOx was achieved on the ACNTFs with reversible redox peaks observed at the formal potential of –0.448 V. When applied to the determination of glucose by cyclic voltammetry, the prepared enzymatic electrode exhibited a linear range from 1 to 5 mM under mediator-free physiological conditions, which makes it a promising candidate for the development of third-generation glucose biosensors.
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