A multifunctional metal-organic complex fluorescent probe for highly sensitive detection of lysine, CrO 42-/Cr 2 O 7 2-, Fe3+and nitro-aromatic compounds

被引：0
作者：
Wang, Jingze [1 ]
Zhao, Yun [1 ]
Fan, Linhan [1 ]
Zhang, Jingyue [1 ]
Sun, Changyan [1 ]
Li, Wenjun [1 ]
Chang, Zhidong [1 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Chem & Biol Engn, Beijing 100083, Peoples R China
来源：
INORGANICA CHIMICA ACTA | 2025年 / 574卷
基金：
中国国家自然科学基金;
关键词：
Metal-organic complex; Multifunctional probes; Nitro-aromatic compounds; Lysine; Fe3+; FRAMEWORKS; SENSOR; IONS;
D O I：
10.1016/j.ica.2024.122415
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Water contamination caused by organic and inorganic compounds represents an urgent global issue. It is meaningful to detect these compounds. A metal-organic complex (Zn-HTBA) was investigated as a multifunctional fluorescent probe which showed exceptional fluorescence characteristics. The Zn- HTBA can specifically detect lysine in water through fluorescence enhancement, and the detection limit was 0.17 mu M. The Zn-HTBA also selectively detect CrO42-/Cr2O72-and Fe3+ with the detection limits of 0.014/0.022 and 0.12 mu M through fluorescence quenching. In addition, the Zn-HTBA was found to sensitively detect nitroaromatic compounds in ethanol through fluorescence quenching. The possible detection mechanisms were studied in detail through UV-Vis, PXRD, XPS, etc. The mechanism of Zn-HTBA to detect CrO42-/Cr2O72-, Fe3+ and 2-nitrotoluene was energy competition, and the mechanism of Zn-HTBA to detect lysine was the formation of hydrogen bonds.
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页数：7
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