A new strategy for selective fluorescence detection of benzaldehyde and nitrobenzene

被引：35
作者：
Cheng, Zhiyong [1 ,2 ,3 ]
Mo, Wanqi [1 ,2 ,3 ]
Chen, Yu [1 ,2 ,3 ]
Liu, Huaqian [1 ,2 ,3 ]
Li, Xiaobai [1 ,2 ,3 ]
Ma, Hongwei [1 ,2 ,3 ]
Zhang, Shi-Tong [4 ]
机构：
[1] Northeast Forestry Univ, Engn Res Ctr Forest Biopreparat, Coll Chem Chem Engn & Resource Utilizat, Minist Educ,Key Lab Forest Plant Ecol, Harbin 150040, Peoples R China
[2] Northeast Forestry Univ, State Engn Lab Bioresource Ecoutilizat, Harbin 150040, Peoples R China
[3] Northeast Forestry Univ, Postdoctoral Mobile Res Stn Forestry Engn, Coll Chem Chem Engn & Resource Utilizat, Harbin 150040, Peoples R China
[4] Jilin Univ, Coll Chem, Inst Theoret Chem, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China
来源：
MICROCHEMICAL JOURNAL | 2022年 / 172卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
HLCT; D-A molecules; Fluorescent sensor; Benzaldehyde; Nitrobenzene; URBAN ROADS; SENSOR; NANOPARTICLES;
D O I：
10.1016/j.microc.2021.106896
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Low-cost and high-efficiency detection of benzene series in water and atmosphere is necessary for environmental detection. In this contribution, inspired by the design of hybrid local charge transfer (HLCT) excited state molecules, a small organic molecule fluorescent probe TPMCN was reported for the selective detection of benzaldehyde and nitrobenzene. The response of TPMCN to benzaldehyde showed obvious fluorescence enhancement and redshift and the limit of detection (LOD) was calculated to be 2.17 mu M. In addition, the fluorescence response of TPMCN to gaseous and liquid nitrobenzene showed obvious fluorescence quenching within 5 s, and the low-cost TPMCN test strips exhibited a low LOD of 0.16 ppm for nitrobenzene and have excellent recovery properties.
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页数：6
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