A novel solvent-dependently bifunctional NIR absorptive and fluorescent ratiometric probe for detecting Fe3+/Cu2+ and its application in bioimaging
文献类型： 外文期刊
作者： Li, Shao 1 ; Zhang, Di 2 ; Xie, Xinyu 3 ; Ma, Saige 1 ; Liu, Yao 1 ; Xu, Zhanhui 1 ; Gao, Yanfeng 3 ; 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.Henan Acad Agr Sci, Inst Agr Qual Stand & Testing Technol, Zhengzhou 450002, Peoples R China
3.Zhengzhou Univ, Sch Life Sci, Zhengzhou 450001, Peoples R China
关键词： NIR;Fluorescent probe;Fe3+;Cu2+;Cyanine;Rhodamine
期刊名称：SENSORS AND ACTUATORS B-CHEMICAL （ 影响因子：7.46； 五年影响因子：6.743 ）
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收录情况： SCI
摘要： A novel rhodamine-cyanine based probe LS1 was designed and synthesized, which can act as a bifunctional NIR ratiometric colorimetric and fluorescent probe for detecting Fe3+ and Cu2+ in solvent of MeOH/H2O and MeCN/H2O respectively. As expected, it exhibited high selectivity and sensitivity for detecting Fe3+ and Cu2+ over other commonly coexistent metal ions in their respective systems with a broad pH span. The detection limit was measured to be 0.737 mu M for Fe3' and 1.019 mu M for Cu2+. Furthermore, fluorescence imaging experiments of Cu2+ ions in living SH-SY5Y109 cells demonstrated its value of practical application in biological systems. (C) 2015 Elsevier B.V. All rights reserved.
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