Chromogenic and fluorescent probe for detection of mercury (II) ion based on mono-pyrrolyl substituted BODIPY

被引：26

作者：

Chan, Chenming ^{[1
]}

Liu, Huiru ^{[1
]}

Xue, Zhaoli ^{[1
]}

机构：

[1] Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Jiangsu, Peoples R China

来源：

MICROCHEMICAL JOURNAL | 2021年 / 166卷

关键词：

Fluorescent sensor; BODIPY; Mercury(II) ion; Ratiometric; Internal charge transfer (ICT); RECENT PROGRESS; CHEMOSENSOR; HG2+; CHEMODOSIMETERS; DESIGN;

D O I：

10.1016/j.microc.2021.106247

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Chemosensor 2, a novel ratiometric fluorescent probe for the detection of Hg2+ ion has been synthesized and characterized. Upon increasing Hg2+ concentrations, chemosensor 2 showed hyperchromic shifts in the absorption spectra while quenched the emission due to the perturbation of ICT process. The response to Hg2+ ion can be seen clearly by naked-eyes which makes the "naked-eye" detection for Hg2+ ion possible. The limit of detection of chemosensor 2 was estimated as 0.05 mu M while the association constant to Hg2+ ion was determined to be 5.2 x 103 M-1. The Hg2+ ion induced fluorescence quenching was stable in a pH range from 4 to 9. Paper test strips offer a method to quickly detect the Hg2+ ion in a convenient way.

引用

页数：7

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