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[1]南齐钰,熊知萌,梁文杰,等.商业化试剂构建荧光探针用于肼的检测及防伪识别[J].武汉工程大学学报,2023,45(05):490-495.[doi:10.19843/j.cnki.CN42-1779/TQ.202210033]
 NAN Qiyu,XIONG Zhimeng,LIANG Wenjie,et al.Commercial Reagent as Fluorescent Probe for Hydrazine Detection and Anti-Counterfeiting Identification[J].Journal of Wuhan Institute of Technology,2023,45(05):490-495.[doi:10.19843/j.cnki.CN42-1779/TQ.202210033]
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商业化试剂构建荧光探针用于肼的检测及防伪识别(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
45
期数:
2023年05期
页码:
490-495
栏目:
化学与化学工程
出版日期:
2023-11-17

文章信息/Info

Title:
Commercial Reagent as Fluorescent Probe for Hydrazine Detection and Anti-Counterfeiting Identification
文章编号:
1674 - 2869(2023)05 - 0490 - 06
作者:
南齐钰熊知萌梁文杰陈杜刚*余响林闫志国
武汉工程大学 化工与制药学院,湖北 武汉 430205
Author(s):
NAN Qiyu XIONG Zhimeng LIANG Wenjie CHEN Dugang* YU Xianglin YAN Zhiguo

School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China
关键词:
荧光探针激发态分子内质子转移检测防伪识别
Keywords:
hydrazine fluorescent probe excited-state intramolecular proton transfer detection anti-counterfeiting
分类号:
O661.1
DOI:
10.19843/j.cnki.CN42-1779/TQ.202210033
文献标志码:
A
摘要:
为了高效准确地检测出环境中的致癌污染物肼,采用商业化的试剂2-羟基-4-甲氧基苯甲醛(XN)作为荧光探针工具。该探针的醛基与肼能发生快速的缩合反应,所得产物因具有希夫碱结构能产生激发态的分子内质子转移(ESIPT)作用,从而开启荧光信号,实现对肼的检测。在水溶液中,探针与肼反应后的最大发射波长位于485 nm,荧光增强20多倍,检测限低至69 nmol/L,检测过程中表现出了非常高的灵敏度和选择性。进一步将探针负载于试纸条上制备出便携工具,可快速方便地对气相中肼含量进行可视化监测。最后凭借探针对肼的高选择性优势,构建了一个简单的防伪模型,展现了探针在荧光防伪识别应用中的潜力。

Abstract:
To efficiently and accurately detect the carcinogenic pollutant hydrazine in the environment, this paper employs the commercial reagent 2-hydroxy-4-methoxybenzaldehyde (XN) as a fluorescent probe. The aldehyde group of the probe undergoes a rapid condensation reaction with hydrazine, and the resulting product exhibits excited-state intramolecular proton transfer due to its Schiff base structure, thereby initiating a fluorescent signal for hydrazine detection. In aqueous solution, after reacting with hydrazine, the probe shows a maximum emission wavelength at 485 nm, with over 20-fold fluorescence enhancement and a minimum detection limit of 69 nmol/L, demonstrating high sensitivity and selectivity during the detection process. Furthermore, the probe is loaded onto test strips to prepare a portable tool for rapid and convenient visual monitoring of hydrazine content in the gas phase. Finally, taking the advantages of the probe’s high selectivity towards hydrazine, we constructed a simple anti-counterfeiting model, showing the potential applications of the probe in fluorescent anti-counterfeiting identification.

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备注/Memo

备注/Memo:
收稿日期:2022-10-31
基金项目:湖北省教育厅科学研究计划重点项目(D20211501);武汉工程大学校长基金(XZJJ2021093)
作者简介:南齐钰,本科生。E-mail:[email protected]
*通讯作者:陈杜刚,博士,副教授。E-mail:[email protected]
引文格式:南齐钰,熊知萌,梁文杰,等.商业化试剂构建荧光探针用于肼的检测及防伪识别[J]. 武汉工程大学学报,2023,45(5):490-495.
更新日期/Last Update: 2023-10-25