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题名: Fluorescence Detection of a Broad Class of Explosives with One Zinc(II)-Coordination Nanofiber
作者: Xiong, Wei1, 2; Liu, Xiaoling1, 2; Wang, Tie1, 2; Zhang, Yifan1, 2; Che, Yanke1, 2; Zhao, Jincai1, 2
刊名: ANALYTICAL CHEMISTRY
发表日期: 2016-11-15
卷: 88, 期:22, 页:10826-10830
收录类别: SCI
英文摘要: In this work, we report the development of one fluorescent carbazole-based oligomer 1-zinc(II) coordination nanofiber which enabled the detection of five classes of explosives, i.e., nitroaromatics (dinitrotoluene, DNT, and trinitrotoluene, TNT), aliphatic nitro-organics (2,3-dimethyl-2,3-dinitrobutane, DMNB), nitramines (cyclotrimethylenetrinitramine, RDX), nitro-esters (pentaerythritol tetranitrate, PETN), and black powder (sulfur). We demonstrate that the coordination of zinc ion with a carbazole-based oligomer 1 allows the formation of the Lewis acid base complex between explosives and the nanofiber that enhances the electron-accepting ability of the nitro-based explosives and the binding interactions between the sensing nanofibers and explosives. Furthermore, the resulting nanofiber-based sensor exhibited highly sensitive fluorescence quenching when exposed to trace sulfur, thereby enabling the sensitive detection of black powder. Herein, we present a new fluorescent sensor for five classes of explosives, which represents an important advance toward a richer identification of threats.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35717
Appears in Collections:光化学实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, Key Lab Photochem, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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