基于PtCo合金纳米粒子的新型无酶葡萄糖传感器
A Novel Non-Enzymatic Glucose Sensor Based on PtCo Alloy Nanoparticles
DOI: 10.12677/JSTA.2018.62004, PDF,  被引量    国家自然科学基金支持
作者: 王儒雷*, 粱新义, 刘海燕, 张晓月, 刘长江：天津商业大学，天津生物技术和食品重点实验室，天津；天津商业大学，天津商业大学生物技术与食品科学学院应用化学系，天津；崔 兰：天津大学，天津大学材料科学与工程学院，天津
关键词: 反相微乳液；PtCo纳米粒子；无酶葡萄糖传感器；Inverse Micro-Emulsion； PtCo NPs； Non-Enzymatic Glucose Sensor
摘要: 在室温下，通过反相微乳液法，合成PtCo合金纳米粒子。利用XRD、HRTEM和EDS对合成的纳米粒子的物理性质进行表征，结果表明：合成PtCo合金纳米粒子为面心立方结构的无序合金，Pt和Co原子比为5:1。电化学测试结果表明：构筑的PtCo/GCE无酶葡萄糖传感器对检测葡萄糖表现出宽的线性范围(0.5 mM~60 mM)、快速的响应时间(t < 2 s)、低的检出限(36 μM)和很高的灵密度(3.9 μAmM−1cm−2)。对抗坏血酸、尿酸和果糖，传感器也表现出了很高的抗干扰性能。
Abstract: The PtCo alloy nanoparticles were synthesized by inverse micro-emulsion at room temperature. The structure, morphology and composition of as-synthesized PtCo NPs were characterized by using XRD, HRTEM and EDS. The results demonstrated that as-synthesized PtCo NPs were a disordered alloy with a face-centered cubic structure, with 3 nm of average size, and the Pt/Co atomic ratios were approximately 5:1. The electrochemical characterization revealed that the non-enzymatic glucose sensor based on PtCo NPs (PtCo/GCE) exhibited a superior performance towards glucose detection, such as a wide linear range (0.5 mM - 60 mM), rapid response (t < 2 s), low detection limit (36 μM) and high sensitivity (3.9 μAmM−1cm−2). The sensor also exhibited anti-interference ability from ascorbic acid (AA), uric acid (UA) and fructose (Fru).
文章引用：王儒雷, 粱新义, 刘海燕, 崔兰, 张晓月, 刘长江. 基于PtCo合金纳米粒子的新型无酶葡萄糖传感器[J]. 传感器技术与应用, 2018, 6(2): 31-40. https://doi.org/10.12677/JSTA.2018.62004

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