A near-infrared turn-on probe for in vivo chemoselective photoacoustic detection of fluoride ion

A near-infrared turn-on probe for in vivo chemoselective photoacoustic detection of fluoride ion
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用于氟化物离子体内化学选择性光声检测的近红外开启探针

DOI:
10.1016/j.dyepig.2019.02.049
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发表时间:
2019-06
期刊:
影响因子:
4.5
通讯作者:
Lin Jing
Lin Jing
中科院分区:
材料科学2区
文献类型:
--
作者:
Zeng Leli;Yuan Yanyan;Jiang Chao;Mu Jing;Li Fan;Wan Yilin;Xu Han;Qu Junle;Huang Peng;Lin Jing

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活体中氟离子(F−)的检测在医疗保健和环境领域具有重要价值。在这里,一个近红外(NIR)打开光声(PA)探针组成的萘酰亚胺单元,即LET-1,用于化学选择性光声检测(PAD)的F−。通过动力学光学研究、1HNMR谱分析和对接计算,对F-与LET-1相互作用的响应和机理进行了评价。结果表明,LET-1能快速识别F-,具有良好的选择性和高灵敏度。在与F-相互作用时,这种非光声LET-1探针可以在680 nm处产生开启PA信号,该信号被用作活体受试者(如豆芽和小鼠)中F-PAD的指示剂。本研究为阴离子的体内化学选择性PA检测提供了一种新的方法。
The detection of fluoride ion (F−) in living subjects is of value for healthcare and environmental fields. Here, a near-infrared (NIR) turn-on photoacoustic (PA) probe composed of naphthalimide unit, namely LET-1, was developed for chemoselective photoacoustic detection (PAD) of F−. The response and mechanism of the interaction between F−and LET-1 were evaluated through kinetic optical studies,1HNMR spectra analysis and docking calculations. The results demonstrated that LET-1 could rapidly recognize F−with good selectivity and high sensitivity. Upon the interaction with F−, this non-photoacoustic LET-1 probe could produce a turn-on PA signal at 680 nm, which was used as an indicator for PAD of F−in living subjects, such as soybean sprout and mouse. The present study provides a new approach forin vivochemoselective PA detection of anions.
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