A zirconium-organic framework nanosheet-based aptasensor with outstanding electrochemical sensing performance

文献类型： 外文期刊

第一作者： Guo, Feng

作者： Guo, Feng;Tian, Guanghui;Fan, Chuanbin;Zong, Ziao;Wang, Junli;Xu, Jiakun

作者机构：

关键词： Metal-organic framework nanosheet; Aptamer; Electrochemical aptasensor; Electrochemical impedance spectroscopy; Tobramycin

期刊名称：INORGANIC CHEMISTRY COMMUNICATIONS （ 影响因子：3.428； 五年影响因子：2.553 ）

ISSN： 1387-7003

年卷期： 2022 年 145 卷

页码：

收录情况： SCI

摘要： A zirconium metal-organic framework nanosheet, namely PCN-222(Fe) NS, is prepared using [5,10,15,20-tetrakis(4-carboxyphenyl)porphyrinato]-Fe(III) chloride and Zr clusters, which is further investigated in detail by various technologies. The as-synthesized PCN-222(Fe) NS can efficiently immobilize aptamers to construct an electrochemical aptasensor for impedimetric sensing toward tobramycin (TOB). The fabricated electrochemical aptasensor can sensitively monitor TOB with outstanding specificity, fine long-term preservation, acceptable repeatability as well as good actual usability.

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