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.

引用

页数：7

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