1. 河北工程大学园林与生态工程学院
2. 北京市农林科学院智能装备技术研究中心
纸质出版:2023
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唐顺坤, 尤扬, 李爱学, 等. 基于Au-Pt NPs/IDEs的无酶谷氨酸电化学传感器[J]. 传感器与微系统, 2023,(5):12-15+20.
唐顺坤, 尤扬, 李爱学, 等. 基于Au-Pt NPs/IDEs的无酶谷氨酸电化学传感器[J]. 传感器与微系统, 2023,(5):12-15+20. DOI: 10.13873/J.1000-9787(2023)05-0012-04.
基于响应灵敏、尺寸小的叉指电极(IDEs)
开发了一种新型的无酶型谷氨酸电化学传感器。通过在IDEs表面电沉积金—铂纳米粒子(Au-Pt NPs)提高传感器的检测性能,通过扫描电镜(SEM)表征了电极修饰过程的形貌变化,采用循环伏安(CV)法研究了该传感器对谷氨酸的催化性能,通过电流—时间(I-T)曲线研究了传感器的检测性能。结果显示,在最优条件下,该传感器对谷氨酸在500 nmol/L~3 mmol/L内呈良好的线性关系,检测限(LoD)为0.22μmol/L。该传感器还表现出了较高的选择性和良好的稳定性。并在味精样品的测试中获得了较好的回收率(97.70%~101.71%)
表明该传感器具有较高的实际应用前景。
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新型谷氨酸电化学传感器的设计与应用[D]. 唐飞.长沙理工大学,2019(07)
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