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
王学川,博士,教授,研究方向:生物质资源化及胶原基质生物医用材料,荧光染料的结构设计及性能研究,E-mail:wangxc@sust.edu.cn
韩庆鑫,博士,副教授,研究方向:荧光染料的结构设计及性能研究,E-mail:hanqingxin@sust.edu.cn
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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.
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。
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.
荧光探针近红外ONOO- 检测微信小程序智能评估
fluorescent probenear-infraredONOO- detectionWeChat appintelligent assessment
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