A highly Selective Fluorescent Chemosensor for Zn2+ Based on the Rhodamine Derivative Incorporating Coumarin Group

被引：28

作者：

Wang, Kun-Peng ^{[1
]}

Jin, Zhi-Hui ^{[1
]}

Shang, Hui-Shi ^{[1
]}

Lv, Cheng-Dong ^{[1
]}

Zhang, Qi ^{[1
]}

Chen, Shaojin ^{[1
]}

Hu, Zhi-Qiang ^{[1
]}

机构：

[1] Qingdao Univ Sci & Technol, Coll Chem & Mol Engn, Qingdao 266042, Peoples R China

来源：

JOURNAL OF FLUORESCENCE | 2017年 / 27卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Zinc ion; Rhodamine; Coumarin; Fluorescence; AQUEOUS-MEDIA; BIOLOGICAL APPLICATIONS; LIVING CELLS; ZINC IONS; PH PROBE; SENSOR; WATER; HG2+; MOLECULE; COMPLEX;

D O I：

10.1007/s10895-016-1991-0

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A coumarin-appended rhodamine derivative was prepared by reacting rhodamine hydrazide and coumarin-3-carboxylic acid, which fluorescence sensing behavior toward Zn2+ against other metal ions was investigated in CH3CN. Significantly, the rodamine-coumarin derivative exhibited highly selective and sensitive recognition toward Zn2+ with a limit of detection (LOD) down to 10(-9) M. Upon addition of Zn2+, remarkable fluorescent intensities enhanced and also clear color changed from colorless to pink. The Job's plot indicated the formation of 1:1 complex between the rhodamine-coumarin derivative and Zn2+. The presence of common coexisting alkali, alkaline earth, and transition metal ions showed small or no interference with the detection of Zn2+. The conjugate dye could be used for "naked-eye" detection of Zn2+.

引用

页码：629 / 633

页数：5

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