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A ratiometric fluorescence sensor for HOCl based on a FRET platform and application in living cells

机译:基于FRET平台的HOCL测量荧光传感器及活细胞应用

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摘要

Studies showed that the intravascular pH of neutrophils fell to 4.5-5.0 with stimulation for a few minutes. Under this condition, myeloperoxidase was activated to catalyze H2O2 and Cl- to form hypochlorous acid (HOCl). Therefore, it is of significance to develop fluorescence probes for sensing HOCl in acid conditions. In this work, we reported a ratiometric probe CRSH based on a fluorescence resonance energy transfer (FRET) platform for detecting HOCl under acid conditions. Probe CRSH exhibited excellent sensitivity, high selectivity and a rapid response toward HOCl and is suitable for imaging endogenous HOCl in living cells.
机译:研究表明,嗜中性粒细胞的血管内pH下降到4.5-5.0,刺激几分钟。 在这种情况下,活化肌释放酶以催化H 2 O 2和Cl-形成次氯酸(HoCl)。 因此,在酸条件下开发用于检测HOCL的荧光探针具有重要意义。 在这项工作中,我们报道了一种基于荧光共振能量转移(FRET)平台的比率探针CRSH,用于检测酸条件下的HOCL。 探针CRSH表现出优异的敏感性,高选择性和对Hocl的快速反应,并且适用于活细胞中的内源性Hocl。

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  • 来源
    《RSC Advances》 |2016年第21期|共5页
  • 作者单位

    Shandong Univ Sch Chem &

    Chem Engn Inst Organ Chem Jinan 250100 Peoples R China;

    Shandong Univ Sch Life Sci Inst Dev Biol Jinan 250100 Peoples R China;

    Shandong Univ Sch Life Sci Inst Dev Biol Jinan 250100 Peoples R China;

    Shandong Univ Sch Life Sci Inst Dev Biol Jinan 250100 Peoples R China;

    Shandong Univ Sch Chem &

    Chem Engn Inst Organ Chem Jinan 250100 Peoples R China;

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