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- W2797567401 abstract "采用晶种生长法制备了形状均一、导电性良好的三角形金纳米片（Au TNPs），并以氧化石墨烯（GO）为载体，聚阴离子Nafion为保护剂，将其修饰在玻碳电极（GCE）表面，制得氧化石墨烯/三角形金纳米片/Nafion复合膜修饰电极（GO/Au TNPs/Nafion/GCE）.利用扫描电子显微镜和原子力显微镜对纳米复合材料的形貌进行表征，采用循环伏安法（CV）和示差脉冲伏安法（DPV）探讨了 L -色氨酸（ L -Trp）在不同修饰电极上的电化学行为.结果表明，GO/Au TNPs/Nafion/GCE对 L -Trp表现出良好的电催化氧化特性.在0.10 mol/L的PBS缓冲溶液（pH=3.5）中，该修饰电极的响应峰电流与 L -Trp的浓度存在良好的线性关系，线性范围为4.000×10 -8 ~6.000×10 -5 mol/L，检出限为1.000×10 -8 mol/L（S/N=3）.该电极具有良好的重现性、稳定性和抗干扰能力.将该电极用于猪血清样品中 L -Trp的测定，回收率为93.1%~105.9%，说明该电极在健康养殖生化检测领域有潜在的应用价值." @default.
- W2797567401 created "2018-04-24" @default.
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- W2797567401 date "2018-03-22" @default.
- W2797567401 modified "2023-09-28" @default.
- W2797567401 title "氧化石墨烯/三角形金纳米片/Nafion复合膜修饰电极对L-色氨酸的灵敏检测" @default.
- W2797567401 doi "https://doi.org/10.7503/cjcu20170643" @default.
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