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首页> 外文期刊>Crystal growth & design >A Robust Tripeptide for In-Field Selective Naked Eye Ultratrace Detection of 2,4,6-Trinitrophenol
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A Robust Tripeptide for In-Field Selective Naked Eye Ultratrace Detection of 2,4,6-Trinitrophenol

机译:用于现场选择性肉眼超速检测2,4,6-三硝基苯酚的强大三肽

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摘要

A simple and cost-effective peptide-based in-field detection of the nitro explosive 2,4,6-trinitrophenol (TNP) in the solution, solid, and vapor state at very low concentration has been developed. In solution, the peptide experiences huge fluorescence quenching even at the ppb level concentration of TNP. The fluorescence turn-off process is governed by the charge transfer complex formation with TNP, almost immediately. Moreover, the probe exhibits very high selectivity and low interference of other analogues nitro explosives toward the detection of TNP. The detection can be done in-field at any condition such as in the solution state, solid state, as well as vapor state with a paper strip device and can be observed by the naked eye, which is necessary for a real-time explosive detector without any sophisticated and expensive instruments with a quicker response time.
机译:已经开发出在非常低浓度下溶液,固体和蒸汽状态下硝基炸药2,4,6-三硝基苯酚(TNP)的简单且经济有效的肽的野外实地检测。 在溶液中,肽即使在TNP的PPB水平浓度下也会经历巨大的荧光猝灭。 荧光关断过程受到TNP的电荷转移复合物的控制,几乎立即。 此外,探针具有非常高的选择性和对TNP检测的其他类似物硝基爆炸物的低干扰。 检测可以在诸如溶液状态,固态,固态的任何条件下进行现场,以及用纸条装置的蒸气状态,并且可以通过肉眼观察,这是实时爆炸检测器所必需的 没有任何复杂和昂贵的仪器,响应时间更快。

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  • 来源
    《Crystal growth & design》 |2020年第3期|共7页
  • 作者单位

    Indian Inst Sci Educ &

    Res Kolkata Dept Chem Sci Mohanpur 741246 W Bengal India;

    Indian Inst Sci Educ &

    Res Kolkata Dept Chem Sci Mohanpur 741246 W Bengal India;

    Indian Inst Sci Educ &

    Res Kolkata Dept Chem Sci Mohanpur 741246 W Bengal India;

    Indian Inst Sci Educ &

    Res Kolkata Dept Chem Sci Mohanpur 741246 W Bengal India;

    Indian Inst Sci Educ &

    Res Kolkata Dept Chem Sci Mohanpur 741246 W Bengal India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 晶体学;
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