Detection of ONOO<sup>-</sup> Using a Portable Fluorescence Sensing Platform Based on Pyronitrile Near-infrared Probe and WeChat Applet

WANG Xiao; WANG Xue-chuan; HAN Qing-xin

doi:10.19969/j.fxcsxb.22120605

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Detection of ONOO^- Using a Portable Fluorescence Sensing Platform Based on Pyronitrile Near-infrared Probe and WeChat Applet

Experimental Techniques and Methods | 更新时间：2023-05-15

- Detection of ONOO^- Using a Portable Fluorescence Sensing Platform Based on Pyronitrile Near-infrared Probe and WeChat Applet
- Journal of Instrumental Analysis Vol. 42, Issue 5, Pages: 614-620(2023)
- 作者机构：
  
  1.陕西科技大学化学与化工学院，陕西西安 710021
  2.生物质与功能材料研究所，陕西科技大学，陕西西安 710021
  3.陕西科技大学轻工科学与工程学院，陕西西安 710021
- 作者简介：
- 基金信息：
- DOI：10.19969/j.fxcsxb.22120605
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王虓,王学川,韩庆鑫.基于DCI的近红外探针和微信小程序的便携式荧光传感平台用于ONOO^- 的分析检测[J].分析测试学报,2023,42(05):614-620.

WANG Xiao,WANG Xue-chuan,HAN Qing-xin.Detection of ONOO^- Using a Portable Fluorescence Sensing Platform Based on Pyronitrile Near-infrared Probe and WeChat Applet[J].Journal of Instrumental Analysis,2023,42(05):614-620.
王虓,王学川,韩庆鑫.基于DCI的近红外探针和微信小程序的便携式荧光传感平台用于ONOO^- 的分析检测[J].分析测试学报,2023,42(05):614-620. DOI： 10.19969/j.fxcsxb.22120605.

WANG Xiao,WANG Xue-chuan,HAN Qing-xin.Detection of ONOO^- Using a Portable Fluorescence Sensing Platform Based on Pyronitrile Near-infrared Probe and WeChat Applet[J].Journal of Instrumental Analysis,2023,42(05):614-620. DOI： 10.19969/j.fxcsxb.22120605.

摘要

该研究设计并合成了一种基于吡喃腈类（DCI）荧光衍生物的近红外探针,1a,用于特异性检测ONOO,-,。该探针本身具有橙色荧光，经ONOO,- ,刺激后，探针的苯硼酸频哪醇酯结构脱落，母体分子的内电荷转移（ICT）效应恢复，使得荧光发射增强，荧光颜色由橙色变为红色。此外，探针,1a,具有良好的选择性和抗干扰能力，检出限低至97 nmol/L。同时，通过自主开发的微信小程序“色度采集（Colorimetric acquisition）”配合探针,1a,评估色度与ONOO,- ,浓度的相关性，搭建了可对外源性ONOO,- ,检测效果进行智能评估的简易检测平台，该检测平台有望成为便携智能检测环境中有害物质的简易分析工具。该文利用近红外染料开发的探针,1a,可用于ONOO,- ,的检测，为智能化检测有害物质提供了新的参考。

Abstract

A portable fluorescence sensing platform based on pyronitrile（DCI） near-infrared probe ,1a, and WeChat applet was constructed for the detection of ONOO,-,．The near-infrared probe ,1a, was firstly designed and synthesized based on a DCI fluorescent derivative，which was used for specific detection of ONOO,-,．The probe itself possess orange fluorescence，and the probe’s phenylboronic acid pinacol ester structure sheds after stimulation with nitrite ONOO,-,，then the parent intramolecular charge transfer（ICT） effect is restored，resulting in enhanced fluorescence emission and a color change of the probe’s fluorescence from orange to red after activation. Meanwhile，probe ,1a, exhibited excellent selectivity and anti-interference ability，the ultra-low detection limit reached 97 nmol/L．In addition，a simple detection platform based on a WeChat mini program “Colorimetric acquisition” was established，relying on the correlation between luminous chrominance of probe and ONOO,-, fluorescence response to probe，which could be used to intelligently evaluate the detection effect of exogenous ONOO,-,．This detection platform has a potential to become a simple analysis tool for portable and intelligent detection of hazardous substances in the environment．In conclusion，the NIR dye-based probe ,1a, developed in this paper was applied to the detection of ONOO,-,，providing a new reference for the intelligent detection of hazardous substances.

关键词

荧光探针近红外ONOO- 检测微信小程序智能评估

Keywords

fluorescent probenear-infraredONOO- detectionWeChat appintelligent assessment

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Hubei Key Laboratory of Novel Reactor and Green Chemical Technology，Wuhan Institute of Technology

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Detection of ONOO- Using a Portable Fluorescence Sensing Platform Based on Pyronitrile Near-infrared Probe and WeChat Applet

DOI：10.19969/j.fxcsxb.22120605

摘要

Abstract

关键词

Keywords

references

Detection of ONOO^- Using a Portable Fluorescence Sensing Platform Based on Pyronitrile Near-infrared Probe and WeChat Applet