斯结构的GOx-Fe/cu纳米酶用于广泛的葡萄糖检测和牛奶分析
Jiajie Xu1, Yuhang Huang2, Jiayu Xu2
1State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China.
Food chemistry
|February 11, 2026
概括
一种新的Janus结构的葡萄糖氧化酶-铁/铜纳米酶增强了葡萄糖生物感应的稳定性和检测范围. 这一突破使得使用智能手机在食品样本中进行便携式,可视化的葡萄糖量化.
科学领域:
- 生物材料科学 生物材料科学
- 分析化学 分析化学
- 纳米技术 纳米技术
背景情况:
- 葡萄糖氧化酶 (GOx) 在不同温度和pH值下不稳定.生物传感器应用.
- 目前的纳米酶葡萄糖传感器具有狭窄的检测范围和不良的稳定性.
研究的目的:
- 开发一种稳定且高度敏感的纳米酶,用于葡萄糖生物传感.
- 扩大检测范围,提高葡萄糖传感器的稳定性.
- 创建一个便携式检测平台,用于食品样本中的葡萄糖和过氧化.
主要方法:
- 一式自组合成Janus结构的GOx-Fe/Cu纳米酶使用Fe1−xS和GOx在Cu3(PO4) 2纳米花上.
- 将纳米酶集成到奇托/糖水凝中,以进行视觉定量.
- 基于智能手机的便携式检测系统开发.
- 在牛奶样本中验证葡萄糖和过氧化的检测.
主要成果:
- 实现了超宽的葡萄糖检测范围 (0.520mM) 与低检测极限 (34.18μM).
- 证明增强的稳定性:在pH 3下7小时,在60°C下5小时后>80%的活性.
- 在牛奶样本中展示了高特异性和可靠的检测 (95121%的恢复,0.31%8.26%的RSD).
结论:
- 斯结构的GOx-Fe/Cu纳米酶显著提高了GOx的稳定性和传感性能.
- 水凝平台可视化和便携式检测葡萄糖和过氧化.
- 开发的系统显示了在食品化学分析中的实际应用性.
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