一种用于检测有机溶剂中水含量的喹喔啉探针的研究  

Quinoxaline probe for detecting water content in organic solvents

作　　者：翁城武 陈自猷 吴芸芸 韩辉 WENG Cheng-wu;CHEN Zi-you;WU Yun-yun;HAN Hui(Comprehensive Technology Service Center Of Quanzhou Customs,Quanzhou 362000,China;Institute of Environmental Science,Shanxi University,Taiyuan 030006,China;School of Chemical Engireering&Technology,China University of Mining and Technology,Xuzhou 221008,China)

机构地区：[1]泉州海关综合技术服务中心,福建泉州362000 [2]山西大学环境科学研究所,山西太原030006 [3]中国矿业大学化工学院,江苏徐州221008

出　　处：《化学研究与应用》2022年第12期2977-2982,共6页Chemical Research and Application

基　　金：福建省科技项目(2020Y0075)资助;泉州市科技项目(2020N007s)资助;厦门海关项目(2020XK09)资助。

摘　　要：设计合成了喹喔啉类衍生物荧光探针QP,该探针显示出典型的遇水荧光淬灭特性,可用于有机溶剂中水含量的检测。研究结果表明:当DMF和丙酮中水的体积含量分别为10%和5%的时,探针的荧光完全淬灭,检测限分别为0.00121%和0.00468%;同时,通过理论计算,讨论了探针荧光遇水淬灭的机理,为该类探针的结构设计提供一定的理论理论参考。A fluorescent probe QP of quinoxaline derivatives was designed and synthesized.The probe showed typical fluorescence quenching properties when exposed to water,and could be used for the determination of water content in organic solvents.The results showed that when the volume fraction of water in DMF and acetone were 10%and 5%,respectively,the fluorescence of the probe was completely quenched,and the detection limits were 0.00121%and 0.00468%,respectively.At the same time,the mechanism of fluorescence quenching in water was discussed by theoretical calculation,which provided some theoretical reference for the structural design of this kind of probe.

关 键 词：喹喔啉 荧光淬灭 水含量检测 理论计算 

分 类 号：O657.63[理学—分析化学]