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J-aggregate fluorescence probe constructed based on AIE units for analysis of Zn2+, Cu2+ ions in food and biological systems

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成果类型:
期刊论文
作者:
Chen, Taiyi;Lin, Xiaoping;Li, Peisong;Liu, Wei;Jiang, Lu;...
通讯作者:
Li, Zhongliang;Chen, Wen
作者机构:
[Liu, Mengqin; Chen, Taiyi; Lin, Xiaoping; Zeng, Rongying; Jiang, Lu; Li, Peisong; Huang, Leyuan] Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metal Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang 421001, PR China
[Liu, Wei] Hunan Hengyang Ecological Environment Monitoring Center, Hengyang, Hunan 421001, China
[Li, Zhongliang] Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metal Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang 421001, PR China. Electronic address: zhongliang.li@hynu.edu.cn
[Zhu, Ruirui] Hunan Provincial Ecological and Environmental Monitoring Center, State Environmental Protection Key Laboratory of Monitoring for Heavy Metal Pollution, Changsha 410019, China
[Chen, Zhi-Liang] School of Pharmacy, Shaoyang University, Shaoyang 422000, PR China
通讯机构:
[Chen, Wen; Li, Zhongliang] H
Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metal Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang 421001, PR China. Electronic address:
语种:
英文
关键词:
AIE;J-aggregate;Ratiometric fluorescence sensors;Zinc and copper ions
期刊:
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
ISSN:
1386-1425
年:
2026
卷:
346
页码:
126921
机构署名:
本校为第一且通讯机构
院系归属:
化学与材料科学学院
摘要:
The precise detection of metal ions is crucial in food safety, biomedical diagnostics, and environmental monitoring. Although traditional “on-off” fluorescence probes are frequently utilized, their anti-interference capability remains a limitation. This study synthesized three new copper-based fluorescent probes: PTA, PTP, and PTD. Among them, PTD exhibited unique aggregation-induced emission (AIE) properties. PTD's remarkable selectivity for Zn 2+ was due to the formation of Zn 2+ -induced J-aggregates, which resulted in a concentration-depe...

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