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
收藏
页码：119 / 127
页数：8
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