A highly selective fluorescence turn-on detection of Al3+ and Ca2+ based on a coumarin-modifled rhodamine derivative

被引：47

作者：

Cao, Li ^{[1
]}

Jia, Chunman ^{[2
]}

Huang, Yan ^{[3
]}

Zhang, Qi ^{[1
]}

Wang, Nan ^{[3
]}

Xue, Yonglai ^{[3
]}

Du, Daolin ^{[3
]}

机构：

[1] Hainan Univ, Hainan Prov Key Lab Fine Chem, Haikou 570228, Hainan, Peoples R China

[2] Hainan Univ, Key Study Ctr, Natl Minist Educ Trop Resources Utilizat, Haikou 570228, Hainan, Peoples R China

[3] Jiangsu Univ, Sch Environm, Zhenjiang 212013, Jiangsu, Peoples R China

来源：

TETRAHEDRON LETTERS | 2014年 / 55卷 / 30期

基金：

中国国家自然科学基金;

关键词：

Fluorescent chemosensors; Al3+; Ca2+; Turn-on; SCHIFF-BASE; PROBE; ALUMINUM; CALCIUM; SENSOR; CU2+; CHEMOSENSORS; RECOGNITION; FE(III); CHEMODOSIMETER;

D O I：

10.1016/j.tetlet.2014.06.015

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A fluorescent chemosensor 1 was synthesized containing a coumarin moiety bound to rhodamine B hydrazide. Compound 1 displayed different fluorescence emission responses to Al3+ and Ca2+ ions with high quantum yields (0.64 and 0.15, respectively) and low detection limits (3.0 x 10(-8) and 9.4 x 10(-8) M, respectively). The possible binding modes of compound 1 with Al3+ and Ca2+ ion were calculated using a Job plot, HRMS, H-1 NMR spectroscopic titration and IR spectroscopy. Moreover, the calcium in 1-Ca2+ could be displaced by Al3+ ions, resulting in another ratiometric sensing signal output, which indicates that 1-Ca2+ could detect Al3+ ions in a ratiometric way. Bioimaging results also demonstrated that compound 1 could act as an intracellular Al3+ ion imaging sensor. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：4062 / 4066

页数：5

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