A Novel Colorimetric and Off–On Fluorescent Chemosensor for Cr3+ in Aqueous Solution and its Application in Live Cell Imaging

被引：1

作者：

Man Li

Di Zhang

Yaqi Liu

Peigang Ding

Yong Ye

Yufen Zhao

机构：

[1] Zhengzhou University,Phosphorus Chemical Engineering Research Center of Henan Province, the College of Chemistry and Molecular Engineering

[2] Tsinghua University,Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry

来源：

Journal of Fluorescence | 2014年 / 24卷

关键词：

Rhodamine B; Chemosensor; Cr; Aqueous solution; Cell imaging;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A novel colorimetric and off–on fluorescent chemosensor 2 was designed and synthesized, which showed reversible and highly selective and sensitive recognition toward Cr3+ over other examined metal ions in aqueous solution. Upon addition of Cr3+, the solution of chemosensor 2 resulted in a color change from colorless to obvious pink color, these significant changes in color could be used for naked-eye detection. Chemosensor 2 exhibited a stable response for Cr3+ in the range 0–10 μM with a detection limit of 1 ppm. Furthermore, fluorescence imaging experiments of Cr3+ ions in living MGC803 cells demonstrated its value of practical applications in biological systems.

引用

页码：119 / 127

页数：8

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