Solvent-dependent selective fluorescence assay of aluminum and gallium ions using julolidine-based probe

被引：88

作者：

Noh, Jin Young ^{[1
]}

Kim, Soojin ^{[2
]}

Hwang, In Hong ^{[1
]}

Lee, Ga Ye ^{[2
]}

Kang, Juhye ^{[1
]}

Kim, So Hyun ^{[2
]}

Min, Jisook ^{[3
]}

Park, Sungsu ^{[2
]}

Kim, Cheal ^{[1
]}

Kim, Jinheung ^{[2
]}

机构：

[1] Seoul Natl Univ Sci & Technol, Dept Fine Chem, Seoul, South Korea

[2] Ewha Womans Univ, Dept Chem & Nano Sci, Global Res Program Top5, Seoul 120750, South Korea

[3] Natl Forens Serv, Seoul 158707, South Korea

来源：

DYES AND PIGMENTS | 2013年 / 99卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

Aluminum ions; Fluorescence chemosensor; Gallium ions; Julolidine; Turn-on sensor; Solvent dependence; CHELATING LIGAND; AL3+; CHEMOSENSOR; SENSORS;

D O I：

10.1016/j.dyepig.2013.07.035

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The selective assay of aluminum and gallium ions is reported using fluorescence enhancement of a julolidine-based probe (PJI) in aqueous and nonaqueous solvents. The binding properties of PJI with metal ions were investigated by UV-vis, fluorescence, and electrospray ionization mass spectrometry. 91 gave no fluorescence in water, dimethylformamide, and methanol. The addition of aluminum ions switches on the fluorescence of the sensor PJI in both buffer and dimethylformamide, while other metal ions show no significant fluorescence changes. However, in methanol, its fluorescence can be selectively turned from a turn-on fluorescent sensor for gallium ions. The complex stability constants (K-a) for the respective stoichiometric 1:1 complexation of PJI with aluminium and gallium ions were obtained by fluorimetric titrations. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：1016 / 1021

页数：6

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