TY-JOURA2-EconomouAU - Wei, Yuyun AU - Liu, Yangyang AU - Xu, Zhifang AU - Wang, Shenjun AU - Chen, Bo AU - Zhang, Di AU - Fang, Yuxin PY - 2020 DA - 2020/12/17 TI - Simultaneous Detection of Ascorbic Acid, Dopamine, and Uric Acid Using a Novel Electrochemical Sensor Based on Palladium Nanoparticles/Reduced Graphene Oxide Nanocomposite SP - 8812443 VL - 2020 AB - A fresh strategy based on two-step electrochemical reduction for the fabrication of palladium nanoparticles/reduced oxide nanocomposite-modified glass carbon electrode (PdNPs/rGO/GCE) was established in this study.现场发射扫描电子显微镜显示球形PdNP均匀分布于 RGO修改电极表面,PdNP的引入对RGO模式没有影响电化阻抗光谱研究显示PdNPs/rGO/GCE传导性高于rGO/GCE和裸GCE传导性PdNPs/rGO/GCE传感器电化学性能通过循环电压测量法(CV)、差脉冲电压测量法(DPV)和光电测法调查,使用算法解析优化条件宽线性范围为0.5-3.5m R ²= 0.993 华府 M R ²= 0.99和15-42 华府 M R ²= 0.99和0.3-1.4mm R ²= 0.99指向AA、DA和UA除超强反干扰能力外,快速响应(+5s)、极优可复制性和长期稳健性也由传感器提供结果表明PdNPs/rGO/GCE有希望同时检测AA、DA和UA实用应用SN - 1687-8760UR- https://doi.org/101155/208812443DO-10.1155/208812443JF-Isistic化学PB-Hindawi KW-ER-