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

第一作者: Li, Shao

作者: Li, Shao;Ma, Saige;Liu, Yao;Xu, Zhanhui;Ye, Yong;Zhang, Di;Xie, Xinyu;Gao, Yanfeng

作者机构:

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 )

ISSN:

年卷期:

页码:

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.

分类号: TP212.2

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