"Turn-on" fluorescence sensor for vitamin B1 based on cyanostilbene macrocycle

被引：19

作者：

Chen, Jiaojiao ^{[1
]}

Huang, Xinyao ^{[1
]}

Tang, Hui ^{[1
]}

Guo, Hongyu ^{[1
,2
]}

Yang, Fafu ^{[1
,3
]}

机构：

[1] Fujian Normal Univ, Coll Chem & Mat Sci, Fuzhou 350007, Peoples R China

[2] Fujian Key Lab Polymer Mat, Fuzhou 350007, Peoples R China

[3] Fujian Prov Key Lab Adv Mat Oriented Chem Engn, Fuzhou 350007, Peoples R China

来源：

DYES AND PIGMENTS | 2022年 / 207卷

基金：

中国国家自然科学基金;

关键词：

Fluorescence; Sensor; Vitamin B1; Cyanostilbene; Macrocycle; Turn-on; PERFORMANCE LIQUID-CHROMATOGRAPHY; ELECTROCHEMICAL SENSOR; SELECTIVE DETECTION; GOLD NANOPARTICLES; THIAMINE; ESTERS;

D O I：

10.1016/j.dyepig.2022.110705

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Although some detecting methods for vitamin B1 had been reported, the rapid, simple and on-site detection for vitamin B1 is extremely anticipated. In this research, a novel organic fluorescence sensor for vitamin B1 was developed for rapid and on-site detection of vitamin B1. A crown-ether cyanostilbene macrocycle was synthe-sized by Schiff-base "1 + 1" condensation. It displayed the "turn-on" green fluorescence on selective and sensitive detection of vitamin B1 among various guests in aqueous media. The detection limit was 7.8 x 10-7 M. The 1:1 stoichiometric binding mechanism was elucidated by fluorescence Jobs' plot, MS spectra, FT-IR spectra and 1H NMR spectra. This sensing ability for vitamin B1 was successfully applied in test paper and on-site detecting vitamin B1 in actual samples of peanut and vitamin B1 pills, suggesting the good application prospect in the detection of vitamin B1 in food and tablets in complicated environments.

引用

页数：7

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