A rhodamine-based "turn-on" fluorescent probe for Fe3+ in aqueous solution and its application in bioimaging
文献类型： 外文期刊
作者： Liu, Yao 1 ; Liu, Yaqi 1 ; Xu, Zhanhui 1 ; Yang, Linchao 2 ; Wang, Zhenji 2 ; Zhang, Di 1 ; Ye, Yong 1 ;
作者机构： 1.Zhengzhou Univ, Coll Chem & Mol Engn, Phosphorus Chem Engn Res Ctr Henan Prov, Zhengzhou 450052, Peoples R China
2.Zhengzhou Univ, Sch Pharmaceut Sci, Zhengzhou 450052, Peoples R China
3.Henan Acad Agr Sci, Inst Agr Qual Stand & Testing Technol, Zhengzhou, Peoples R China
关键词： Chemosensor;Fe3+ ion;Enhancement;Naked eye;Fluorescence imaging
期刊名称：MONATSHEFTE FUR CHEMIE （ 影响因子：1.451； 五年影响因子：1.519 ）
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年卷期：
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收录情况： SCI
摘要： A novel colorimetric and off-on fluorescent chemosensor which contained a strong electron-withdrawing group was synthesized. As expected, the chemosensor exhibited high selectivity and excellent sensitivity in both absorbance and fluorescence detection of Fe3+ (I similar to (CH3OH, H2O) = 3/7, 1 mM Tris-HCl buffer, pH = 7.40). Upon addition of Fe3+, the solution of the chemosensor resulted in a color change from colorless to obvious pink. These significant changes in color could be used for naked-eye detection. Furthermore, fluorescence imaging experiments of Fe3+ ions in living MGC-803 cells demonstrated its value of practical applications in biological systems.
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