A ratiometric and colorimetric probe for detecting Hg2+ based on naphthalimide-rhodamine and its staining function in cell imaging

被引：22
|
作者：
Wang, Yuesong [1 ]
Ding, Haichang [1 ]
Wang, Shuai [1 ]
Fan, Congbin [1 ]
Tu, Yayi [1 ]
Liu, Gang [1 ]
Pu, Shouzhi [1 ]
机构：
[1] Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang 330013, Jiangxi, Peoples R China
来源：
RSC ADVANCES | 2019年 / 9卷 / 21期
基金：
中国国家自然科学基金;
关键词：
RESONANCE ENERGY-TRANSFER; FLUORESCENT-PROBE; SELECTIVE DETECTION; FRET; CHEMOSENSOR; CU2+; ION; DIARYLETHENE; RECOGNITION; SENSOR;
D O I：
10.1039/c9ra01459d
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work, a rhodamine derivative was developed as a colorimetric and ratiometric fluorescent probe for Hg2+. It exhibited a highly sensitive fluorescence response toward Hg2+. Importantly, studies revealed that the probe could be used for ratiometric detection of Hg2+, with a low detection limit of 0.679 M. The mechanism of Hg2+ detection using compound 1 was confirmed by ESI-MS, H-1 NMR, and HPLC. Upon the addition of Hg2+, the rhodamine receptor was induced to be in the ring-opening form via an Hg2+-promoted hydrolysis of rhodamine hydrazide to rhodamine acid. In addition to Hg2+ detection, the naphthalimide-rhodamine compound was proven to be effective in cell imaging.
引用
收藏
页码：11664 / 11669
页数：6
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