A novel urea-derived fluorescent sensor for highly selective and sensitive detection of Fe3+

被引：12
|
作者：
Wu, Xingxing [1 ]
Zhang, Shanshan [1 ]
Niu, Qingfen [1 ]
Li, Tianduo [1 ]
机构：
[1] Qilu Univ Technol, Sch Chem & Pharmaceut Engn, Shandong Prov Key Lab Fine Chem, Jinan 250353, Peoples R China
来源：
TETRAHEDRON LETTERS | 2016年 / 57卷 / 30期
基金：
中国国家自然科学基金;
关键词：
Fluorescent sensor; Urea derivative; Metal ion; Fe3+; Quenching; RHODAMINE-BASED FLUORESCENT; CHELATABLE IRON POOL; OFF-ON CHEMOSENSOR; AQUEOUS-SOLUTION; METAL-IONS; INDICATORS; FE(III); PROBE; PHOTOSTABILITY; RECOGNITION;
D O I：
10.1016/j.tetlet.2016.06.089
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A novel urea-derived fluorescent sensor MDSU for Fe3+ was designed and synthesized. Its sensing behavior to metal ions was investigated by absorption and fluorescence spectra. In DMSO/H2O (1:1, v/v) solution, sensor MDSU showed a highly selective and sensitive recognition to Fe3+ over other competitive metal ions. This sensor formed a 1:1 complex with Fe3+ and displayed fluorescence quenching. Moreover, sensor MDSU can rapidly detect Fe3+ in real time with a lower detection limit of 1.816 x 10(-7) M. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3407 / 3411
页数：5
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