...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>ACS applied materials & interfaces >Pyrenyl-Functionalized Polysiloxane Based on Synergistic Effect for Highly Selective and Highly Sensitive Detection of 4-Nitrotoluene
【24h】

Pyrenyl-Functionalized Polysiloxane Based on Synergistic Effect for Highly Selective and Highly Sensitive Detection of 4-Nitrotoluene

机译：基于协同效应的芘基官能化聚硅氧烷对4-硝基甲苯的高度选择性和高敏感检测

获取原文
获取原文并翻译 | 示例
   

获取外文期刊封面封底 >>

       
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

4-Nitrotoluene (NT) is an important intermediate for the manufacture of dyes, agricultural chemicals, medicaments, and synthetic fibers. But its wide use has resulted in a series of ecological problems and health issues due to high toxicity, mutagenicity, and carcinogenicity. However, no fluorescent probes with high selectivity and high sensitivity to NT has been reported yet, and the current probes usually prefer to detect multi-nitrosubstituted nitroaromatic compounds (NACs) including 2,4,6-trinitrotoluene and 2,4,6-trinitrophenol. Herein, we report a series of pyrene-functionalized polysiloxanes with high selectivity and high sensitivity to NT. Pyrene was introduced into polysiloxane through a carbon carbon double bond, and the formed rigid side-chain fluorophore and flexible backbone structure of polysiloxane provide an ideal platform for the highly selective detection of NT. We further explored the possible response mechanism and speculated that the high selectivity and high sensitivity were derived from the synergistic effect between steric hindrance and dipolar interaction. In addition, paper sensors based on the obtained fluorescent materials were fabricated and change in their high sensitivity and visible fluorescence indicated that the paper sensor is a simple testing tool for portable and visual detection of NT. Furthermore, the design strategy in this work provides a novel synthetic route to synthesize other fluorescent probes with unique selectivity to NACs detection.
机译：4-硝基甲苯（NT）是制造染料，农业化学品，药物和合成纤维的重要中间体。但由于高毒性，致突变性和致癌性，它的广泛使用导致了一系列生态问题和健康问题。然而，尚未报告具有高选择性和高敏感性的荧光探针，并且目前的探针通常优选检测多亚硝基酮族化合物（NAC），包括2,4,6-三硝基甲苯和2,4,6-三硝基苯酚。在此，我们报告了一系列芘官能化的聚硅氧烷，具有高选择性和高敏感性对NT。通过碳碳双键引入聚硅氧烷中的芘，形成的刚性侧链荧光团和聚硅氧烷的柔性骨干结构为NT的高选择性检测提供了理想的平台。我们进一步探索了可能的响应机制，并推测了高选择性和高灵敏度来自空间阻断和偶极相互作用之间的协同效应。此外，制造基于所得荧光材料的纸张传感器并改变其高灵敏度和可见光荧光，表明纸张传感器是用于NT的便携式和视觉检测的简单测试工具。此外，本作作品中的设计策略提供了一种新的合成途径来合成具有独特选择性的NACS检测的其他荧光探针。

著录项

  • 来源
    《ACS applied materials & interfaces》 |2019年第33期|共10页
  • 作者

    Gou Zhiming; Zhang Xiaomei; Zuo Yujing; Tian Minggang; Dong Baoli; Lin Weiying;

  • 作者单位

    Univ Jinan Sch Chem &

    Chem Engn Sch Mat Sci &

    Engn Inst Fluorescent Probes Biol Imaging Jinan 250022 Shandong Peoples R China;

    Univ Jinan Sch Chem &

    Chem Engn Sch Mat Sci &

    Engn Inst Fluorescent Probes Biol Imaging Jinan 250022 Shandong Peoples R China;

    Univ Jinan Sch Chem &

    Chem Engn Sch Mat Sci &

    Engn Inst Fluorescent Probes Biol Imaging Jinan 250022 Shandong Peoples R China;

    Univ Jinan Sch Chem &

    Chem Engn Sch Mat Sci &

    Engn Inst Fluorescent Probes Biol Imaging Jinan 250022 Shandong Peoples R China;

    Univ Jinan Sch Chem &

    Chem Engn Sch Mat Sci &

    Engn Inst Fluorescent Probes Biol Imaging Jinan 250022 Shandong Peoples R China;

    Univ Jinan Sch Chem &

    Chem Engn Sch Mat Sci &

    Engn Inst Fluorescent Probes Biol Imaging Jinan 250022 Shandong Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学工业;
  • 关键词

    polysiloxane; NT detection; high selectivity and high sensitivity; NACs detection; fluorescence quenching;

    机译：聚硅氧烷;NT检测;高选择性和高灵敏度;NACS检测;荧光猝灭;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号