Rhodamine based fluorescence turn-on chemosensor for nanomolar detection of Fe3+ ions

被引：67
|
作者：
Bhalla, Vandana [1 ]
Sharma, Neetu [1 ]
Kumar, Naresh [1 ]
Kumar, Manoj [1 ]
机构：
[1] Guru Nanak Dev Univ, Dept Chem, UGC Ctr Adv Studies 1, Amritsar 143005, Punjab, India
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2013年 / 178卷
关键词：
Nanomolar; Fe3+; Rhodamine; Turn-on; BRAIN IRON; SENSORS; SILVER; PROBE; DESIGN;
D O I：
10.1016/j.snb.2012.12.066
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new fluorescent chemosensor 3 based on rhodamine was synthesized which exhibit selective fluorescence enhancement behaviour in the presence of Fe3+ ions. The spirolactam ring-opening reaction is selectively induced by the Fe3+ ions among the various metal ions tested with a detection limit up to nanomolar range. Thus, receptor 3 behaves as an efficient 'Turn On' fluorescence as well as colorimetric chemosensor for the Fe3+ ions. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：228 / 232
页数：5
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