Selective Fe2+ Ion Recognition Using a Fluorescent Pyridinyl-benzoimidazole-derived Ionophore

被引：18

作者：

Lee, Jeong Ah ^{[2
]}

Eom, Geun Hee ^{[2
]}

Park, Hyun Min ^{[2
]}

Lee, Ju Hoon ^{[2
]}

Song, Hyesun ^{[1
]}

Hong, Chang Seop ^{[3
]}

Yoon, Sungho ^{[1
]}

Kim, Cheal

机构：

[1] Kookmin Univ, Dept Bio & Nano Chem, Seoul 136702, South Korea

[2] Seoul Natl Univ Sci & Technol, Dept Fine Chem, Seoul 139743, South Korea

[3] Korea Univ, Dept Chem, Seoul 136701, South Korea

来源：

BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2012年 / 33卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

Fluorescent chemical sensor; 6-Br-ppmbi; Fe2+ cation; SENSORS; MERCURY; IRON; CHELATION;

D O I：

10.5012/bkcs.2012.33.11.3625

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Fluorescent organic molecules that respond to changes in the Fe2+ concentration with selectivity to other abundant di-valent metal ions will offer the ability to understand the dynamic fluctuations of the Fe2+ ion in interesting media. The use of 6-Br-ppmbi, derived from 2-pyridin-2-yl-benzimidazole, for metal ion-selective fluorescence recognition was investigated. Screening of the main group and transition metal ions showed exclusive selectivity for Fe2+ ions even in the presence of competing metal ions. In addition, the requirement for low concentrations of probe molecules to detect certain amounts of Fe2+ ions make this sensor unique compared to previously reported Fe2+ ion sensors.

引用

页码：3625 / 3628

页数：4

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