A bicarboxaminoquinoline-based ratiometric fluorescent sensor for the sequential detection of Zn2+ and PPi

被引：2
|
作者：
Wang, Jinping [1 ]
Zhang, Yu [1 ]
Guo, Xiangfeng [2 ]
Jia, Lihua [1 ]
Chen, Xiaoshuang [1 ]
机构：
[1] Qiqihar Univ, Coll Heilongjiang Prov, Coll Chem & Chem Engn, Key Lab Fine Chem, Qiqihar 161006, Peoples R China
[2] Guangdong Univ Petrochem Technol, Coll Chem, Maoming 525000, Guangdong, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2024年 / 320卷
基金：
黑龙江省自然科学基金;
关键词：
Ratiometric sensor; Bicarboxaminoquinoline; Zinc ion; Pyrophosphate; SELECTIVE DETECTION; PYROPHOSPHATE IONS; RELAY RECOGNITION; RATIONAL DESIGN; AQUEOUS-MEDIA; LIVING CELLS; SCHIFF-BASE; CHEMOSENSOR; ZINC; PROBE;
D O I：
10.1016/j.saa.2024.124594
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
A new ratiometric fluorescent sensor (LP) based on bicarboxaminoquinoline was designed and synthesized for sequentially recognizing Zn2+ and PPi. In aqueous solution, LP exhibited the ratiometric fluorescence response towards Zn2+, along with the about 4-folds enhancement of fluorescence quantum yield. Subsequently, the LPZn2+ complex displayed the fluorescence recovery upon adding PPi through the displacement strategy. And the LODs of LP and its Zn2+ complex for sensing Zn2+ and PPi were found to be 15 nM and 5.5 nM, respectively. Notably, the reversibility of LP for sequentially sensing Zn2+ and PPi had been employed to construct the INHIBIT logic gate. Moreover, LP and its Zn2+ complex had been successfully utilized for the detection of Zn2+ and PPi in two real water samples and cells imaging.
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页数：7
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