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A pH tuning single fluorescent probe based on naphthalene for dual-analytes (Mg(2+)and Al3+) and its application in cell imaging

机译:基于萘对双分析物(Mg(2+)和Al3 +)的pH调节单荧光探针及其在细胞成像中的应用

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摘要

In this study, a naphthalene Schiff-basePwhich serves as a dual-analyte probe for the quantitative detection of Al(3+)and Mg(2+)has been designed. The proposed probe showed an ''off-on'' fluorescent response toward Al(3+)in ethanol-water solution (1 : 9, v/v, pH 6.3, 20 mM HEPES) over other metal ions and anions, while the detection by the probe could be switched to Mg(2+)by regulating the pH from 6.3 to 9.4. The sensing mechanisms ofPto Al3+/Mg(2+)are attributed to inhibition of the photo-induced electron transfer (PET) process by the formation of 1 : 1 ligand-metal complexes. More importantly, the probe was applied successfully in living cells for the fluorescent cell-imaging of Al(3+)and Mg2+.
机译:在本研究中,萘席夫碱基是为Al(3+)和Mg(2+)的定量检测的双分析物探针。 所提出的探针显示在其他金属离子和阴离子上的乙醇 - 水溶液(1:9,v / v,pH6.3,6.3,20mM Hepes)的“OFF上”荧光反应。 通过调节6.3至9.4的pH可以通过调节pH切换到Mg(2+)的检测。 OFPTO Al3 + / mg(2+)的感测机制归因于通过形成1:1配体 - 金属配合物的形成抑制光诱导的电子转移(PET)工艺。 更重要的是,探针在活细胞中成功应用于Al(3+)和Mg2 +的荧光细胞成像。

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  • 来源
    《RSC Advances》 |2020年第36期|共7页
  • 作者单位

    Hainan Med Univ Sch Trop &

    Lab Med Lab Environm Monitoring Haikou 571101 Hainan Peoples R China;

    Weifang Univ Sci &

    Technol Shouguang 262700 Shandong Peoples R China;

    Hainan Med Univ Sch Trop &

    Lab Med Lab Environm Monitoring Haikou 571101 Hainan Peoples R China;

    Hainan Med Univ Sch Trop &

    Lab Med Lab Environm Monitoring Haikou 571101 Hainan Peoples R China;

    Hainan Med Univ Sch Trop &

    Lab Med Lab Environm Monitoring Haikou 571101 Hainan Peoples R China;

    Hainan Med Univ Sch Trop &

    Lab Med Lab Environm Monitoring Haikou 571101 Hainan Peoples R China;

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

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