一步水热法合成的聚合物保护的铜纳米簇及其对亚硝酸根的检测

doi:10.16039/j.cnki.cn22-1249.2019.05.019

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摘要

亚硝酸根广泛存在于自然环境中，过量的亚硝酸根会导致高铁血红蛋白和蓝婴综合征。本研究实现CuNCs@PEI的合成和对亚硝酸根的选择性检测，以CuSO₄为铜源，PEI为配体，采用一步水热合成了青绿色荧光的CuNCs@PEI。基于亚硝酸根和CuNCs@PEI反应生成非辐射复合物使荧光猝灭的原理，我们实现了在0~10 μM内具有良好线性关系的亚硝酸根的检测，其检测限为0.1 μM，用于检测水体中痕量亚硝酸根。

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	兰承武
	赵桂芝

关键词: 铜纳米簇亚硝酸根荧光探针

Abstract:

Nitrite wildly exists in natural environment, with excess nitrite that may cause methemoglobin or Blue baby syndrome. This study achieves a one-pot hydrothermal synthesis of polyethyleneimine-capped copper nanoclusters which based on CuSO₄ and PEI for detection of nitrite. Base on their formation of ground-state complex and fluorescence quenching. The limit of detection was 2 μM in the linear range of 0~1000 μM, which can detect the trace of nitrite.

Key words: copper nanoclusters nitrite detection fluorescence probe

出版日期: 2019-05-25 发布日期: 2019-05-25 整期出版日期: 2019-05-25

O657.32

引用本文:

兰承武, 赵桂芝. 一步水热法合成的聚合物保护的铜纳米簇及其对亚硝酸根的检测 [J]. 吉林化工学院学报, 2019, 36(5): 79-83.
LAN Chengwu, ZHAO Guizhi. Preparation of Polyethyleneimine-templated Copper Nanoclusters by using One-Pot Hydrothermal And its Detection of Nitrite . Journal of Jilin Institute of Chemical Technology, 2019, 36(5): 79-83.

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https://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2019.05.019 或 https://xuebao.jlict.edu.cn/CN/Y2019/V36/I5/79

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