A new "off-on" fluorescent probe for Al3+ in aqueous solution based on rhodamine B and its application to bioimaging

被引：46
作者：
Huang, Qi [1 ]
Zhang, Qingyou [1 ]
Wang, Enze [1 ]
Zhou, Yanmei [1 ]
Qiao, Han [1 ]
Pang, Lanfang [1 ]
Yu, Fang [1 ]
机构：
[1] Henan Univ, Coll Chem & Chem Engn, Inst Environm & Analyt Sci, Kaifeng 475004, Henan, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2016年 / 152卷
关键词：
Rhodamine B; Fluorescent sensor; Al3+; Aqueous solution; Cellular imaging; CHEMOSENSOR; ALUMINUM; ION;
D O I：
10.1016/j.saa.2015.07.062
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
In this paper, a new fluorescent probe has been synthesized and applied as "off-on" sensor for the detection of Al3+ with a high sensitivity and excellent selectivity in aqueous media. The sensor was easily prepared by one step reaction between rhodamine B hydrazide and pyridoxal hydrochloride named REP. The structure of the sensor has been characterized by nuclear magnetic resonance and electron spray ionization-mass spectrometry. The fluorescence intensity and absorbance for the sensor showed a good linearity with the concentration of Al3+ in the range of 0-12.5 mu M and 8-44 mu M, respectively, with detection limits of 0.23 mu M and 1.90 mu M. The sensor RBP was preliminarily applied to the determination of Al3+ in water samples from the lake of Henan University and tap water with satisfying results. Moreover, it can be used as a bioimaging reagent for imaging of Al3+ in living cells. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：70 / 76
页数：7
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