A novel Schiff base sensor through "off-on-off" fluorescence behavior for sequentially monitoring Al3+ and Cu2+

被引：16

作者：

Guo, Xiaochuan ^{[1
]}

Guo, Chaoxia ^{[2
]}

Xing, Yujing ^{[1
]}

Liu, Yuanying ^{[1
]}

Wei, Kehui ^{[1
]}

Kang, Mingyi ^{[1
]}

Yang, Xiaofeng ^{[1
]}

Pei, Meishan ^{[1
]}

Zhang, Guangyou ^{[1
]}

机构：

[1] Univ Jinan, Sch Chem & Chem Engn, Jinan 250022, Peoples R China

[2] Henan Sanmenxia Aoke Chem Ind Co Ltd, Sanmenxia 472000, Peoples R China

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2022年 / 430卷

基金：

中国国家自然科学基金;

关键词：

Schiff base; Oxazole; Fluorescence probe; Al3+; Cu2+; Theoretical calculation; TURN-ON; COLORIMETRIC CHEMOSENSOR; PROBE; CELLS; IONS; NI2+;

D O I：

10.1016/j.jphotochem.2022.113990

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel Schiff base probe N'-(2-hydroxybenzylidene)-5-(naphthalen-1-yl)oxazole-4-carbohydrazide (G1) was designed and prepared based on a condensation of 5-(naphthalen-1-yl)oxazole-4-carbohydrazide with salicy-laldehyde. G1 gave out a bright blue luminescence in the introduction of Al3+ with an ideal selectivity and sensitivity, which could be acted as a fluorescence "turn-on " probe toward Al3+. The resulted complex G1-Al3+ could be applied to be a quenching probe for Cu2+. The complex stoichiometry of G1 with Al3+ and Cu2+ was confirmed to be 1: 2, via Job's Plot, mass spectrometry titration and theoretical calculation. Moreover, G1 had been successfully applied for monitoring target metal ions in real water sample.

引用

页数：8

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