Dual-responsive pH sensor based on a phenanthro[9,10-d]imidazole fluorophore modified by amino diacetate

被引：7
|
作者：
Zhao, Bing [1 ]
Fang, Yue [1 ]
Xu, Yu [1 ]
Deng, Qigang [1 ]
Liu, Ting [1 ]
Kan, Wei [1 ]
Wang, Liyan [1 ]
机构：
[1] Qiqihar Univ, Chem & Chem Engn Inst, Qiqihar 161006, Peoples R China
来源：
TETRAHEDRON LETTERS | 2016年 / 57卷 / 16期
基金：
中国国家自然科学基金;
关键词：
Dual-responsive; pH sensor; Phenanthro[9,10-d]imidazole; Amino diacetate; FLUORESCENT-PROBES; ACIDIC PH; CELLS;
D O I：
10.1016/j.tetlet.2016.03.046
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A phenanthro[9,10-d]imidazole derivative (1) that was modified by amino diacetate was designed and synthesized. Compound 1 expressed a dual fluorescence response over a broad pH range with double turn-on signals, which were even observed by the naked eye, for use as a ratiometric fluorescent probe. These results indicated that probe 1 could be valuable for studying the strong acid or strong base pH scale. Moreover, these recognitions were not disturbed by the presence of other metal ions in the water. In addition, test strip experiments containing probe 1 were carried out, and the results indicated that this method has the potential to be used in a low-cost, practical and efficient test kit for pH determination. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1825 / 1830
页数：6
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