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Thymine based copolymers: feasible sensors for the detection of persistent organic pollutants in water

机译:基于胸腺嘧啶的共聚物:用于检测水中持续有机污染物的可行传感器

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摘要

Polycyclic Aromatic Hydrocarbons (PAHs) are among the main persistent organic pollutants in water, because they can cause serious diseases in living organisms. The PAHs trace levels in environmental samples makes their detection particularly difficult. The development of new fluorescence spectroscopic sensors is a realistic alternative for the quantification of PAHs at very low concentrations. Bio-inspired copolymers based on thymine and charged groups showed high affinity for benzo[a]pyrene, the nastiest contaminant of the PAHs group, and can be used to enhance their native luminescence. In the present work we rationalized the observed experimental evidence using a theoretical model that studies the plausible non-covalent interactions (polar hydrogen-pi, pi-pi "stacking", etc.) between these compounds, in order to make a realistic design of new thymine-based copolymers sensors.
机译:多环芳烃(PAH)是水中主要持久性有机污染物之一,因为它们会导致生物体中的严重疾病。 环境样品中的PAHS痕量水平使其检测特别困难。 新荧光光谱传感器的发展是在非常低浓度下定量PAH的现实替代方案。 基于胸腺嘧啶和带电基团的生物启发共聚物对苯并[a]芘,PAHS组的最大污染物显示出高亲和力,可用于增强其天然发光。 在本工作中,我们使用理论模型合理化了观察到的实验证据,该理论模型研究了这些化合物之间的合理的非共价相互作用(极性氢-PI,PI-PI“堆叠”等),以便制造逼真的设计 基于胸腺嘧啶的共聚物传感器。

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  • 来源
    《RSC Advances》 |2017年第77期|共8页
  • 作者单位

    Consejo Nacl Invest Cient &

    Tecn Inst Proc Biotecnol &

    Quim Rosario Suipacha 570 RA-2000 Rosario Santa Fe Argentina;

    Consejo Nacl Invest Cient &

    Tecn Inst Quim Rosario Suipacha 570 RA-2000 Rosario Santa Fe Argentina;

    Consejo Nacl Invest Cient &

    Tecn Inst Fis Litoral Guemes 3450 RA-3000 Rosario Santa Fe Argentina;

    Consejo Nacl Invest Cient &

    Tecn Inst Proc Biotecnol &

    Quim Rosario Suipacha 570 RA-2000 Rosario Santa Fe Argentina;

    Consejo Nacl Invest Cient &

    Tecn Inst Quim Rosario Suipacha 570 RA-2000 Rosario Santa Fe Argentina;

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