A New "Turn-on" Naphthalenedimide-Based Chemosensor for Mercury Ions with High Selectivity: Successful Utilization of the Mechanism of Twisted Intramolecular Charge Transfer, Near-IR Fluorescence, and Cell Images

被引：112
作者：
Li, Qianqian [1 ]
Peng, Ming [1 ]
Li, Huiyang [1 ]
Zhong, Cheng [1 ]
Zhang, Liang [1 ]
Cheng, Xiaohong [1 ]
Peng, Xiaoniu [2 ]
Wang, Ququan [2 ]
Qin, Jingui [1 ]
Li, Zhen [1 ]
机构：
[1] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China
[2] Wuhan Univ, Dept Phys & Technol, Wuhan 430072, Peoples R China
来源：
ORGANIC LETTERS | 2012年 / 14卷 / 08期
基金：
美国国家科学基金会;
关键词：
COLORIMETRIC PROBES; SENSOR; CHEMODOSIMETERS; COMPLEXATION;
D O I：
10.1021/ol300607m
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
For the first time, a new near-IA "turn-on" fluorescent chemosensor with high selectivity for Hg2+ ions was designed according to the twisted intramolecular charge transfer (TICT) mechanism. The selective fluorescence enhancement effect can be optimized by modulating the solvent systems. And this naphthalenedimide-based sensor with long wavelength absorption and emission can be used to image intracellular Hg2+ ions in living Hela cells.
引用
收藏
页码：2094 / 2097
页数：4
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