化工新型材料

化工新型材料 ›› 2023, Vol. 51 ›› Issue (6) : 295-300. DOI: 10.19817/j.cnki.issn1006-3536.2023.06.054

开发与应用

基于氨基苯酚类方酸菁的比色荧光探针制备及其在不同溶剂下检测Cu²⁺和Mg²⁺性能研究

^1,2,3*

作者信息 +

Preparation of colorimetric fluorescence probe based on aminophenol squaraine and its performance in detecting Cu²⁺ and Mg²⁺ in different solvents

He Yuanyuan¹, Liang Qian¹, Zhou Man¹, Xu Song¹, Li Zhongyu^1,2,3

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文章历史 +

Received
2022-02-27
Issue Date	Revised Date
2023-07-07	2022-02-27

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摘要

设计并合成了一种N,N-二丁基-3-氨基苯酚方酸菁染料(ZXSQ),并通过核磁氢谱和高分辨质谱对其结构进行表征。该探针可以在乙腈为溶剂的条件下识别Cu²⁺,颜色由蓝色变为无色;探针在乙醇为溶剂的条件下识别Mg²⁺,颜色泛出强烈的红色荧光。该探针解决了在Cu²⁺和Mg²⁺同时存在下无法区别的问题,实现了双识别且抗干扰的效果。该探针检测限均在10^-6mol/L,具有合成简单、低检测限和高灵敏度等优点,操作简便,能够快速、精准地检测环境以及生物体中的Cu²⁺和Mg²⁺。

Abstract

A N,N-dibutyl-3-aminophenol squaraine dye (ZXSQ) was designed and synthesized,and its structure was characterized by ¹H-NMR and HRMS.The probe could recognize Cu²⁺ with acetonitrile as solvent,and its color changed from blue to colorless.It could also recognize Mg²⁺ with ethanol as solvent,and the color showed strong red fluorescence.The probe solved the problem of inability to distinguish Cu²⁺ and Mg²⁺ in the presence of the same time,and achieved the effect of double identification and anti-interference.The detection limit of the probe was all 10^-6mol/L,which had the advantages of simple synthesis,low detection limit,high sensitivity and ease of operation.It could quickly and accurately detect Cu²⁺ and Mg²⁺ in the environment and organisms.

关键词

方酸菁 / 镁离子 / 铜离子 / 比色-荧光探针

Key words

squaraine dye / magnesium ion / copper ion / colorimetric-fluorescent probe

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基于氨基苯酚类方酸菁的比色荧光探针制备及其在不同溶剂下检测Cu²⁺和Mg²⁺性能研究[J]. 化工新型材料, 2023, 51(6): 295-300 DOI:10.19817/j.cnki.issn1006-3536.2023.06.054

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