High-efficiency detection of phenylamine biomarker based on a stable terbium metal-organic framework

被引：5

作者：

Xu, Qian ^{[1
]}

Ma, Lulu ^{[1
]}

Guo, Zhenhua ^{[1
]}

Zhang, Wenyan ^{[1
]}

Yang, Guoping ^{[1
]}

Wang, Yaoyu ^{[1
]}

机构：

[1] Northwest Univ, Coll Chem & Mat Sci, Key Lab Synthet & Nat Funct Mol, Shaanxi Key Lab Physico Inorgan Chem,Minist Educ,, Xian 710127, Shaanxi, Peoples R China

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2023年 / 326卷

关键词：

Tb-MOF; Phenylamine; High-efficiency detection; Fluorescence sensor; AQUEOUS-SOLUTION; P-AMINOPHENOL; QUANTUM DOTS; URINE; MOF; TEMPERATURE; SENSOR; LUMINESCENCE; ANILINE; OXYGEN;

D O I：

10.1016/j.jssc.2023.124207

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Phenylamine was listed as a carcinogen. Nevertheless, the detection of phenylamine in humans is complicated and challenging. In this work, a stable Tb-MOF {[Tb(L)(NMP)2].2NMP}(n) (1-Tb) was synthesized by solvothermal method based on 3,5-bis((3'-carboxyphenyl)oxy)-benzoic acid (H3L) and Tb(III) ion. 1-Tb possesses the ability to quantitatively detect p-aminophenol (PAP) in human urine, and its limit of detection (LOD) is 8.69 x 10(-4) ppm, which is lower than most reported MOFs. Furthermore, the fluorescence quenching mechanism is dynamic quenching and FRET (fluorescence resonance energy transfer) via experiments and theoretical computations in depth. 1-Tb exhibits excellent selectivity, high sensitivity, and outstanding stability. Hence, 1-Tb is anticipated to be a potential candidate material for a fluorescence sensor in the biological field.

引用

页数：7

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