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Chinese Journal of Organic Chemistry >

2020 , Vol. 40 >Issue 8: 2508 - 2512

DOI: https://doi.org/10.6023/cjoc202004037

A Novel Phenanthroline-Based Fluorescent Probe for Pb(II)

  • Mei Huihui ,
  • Yang Mingyang ,
  • Liu Xiaoyan ,
  • Tian Yuping ,
  • Xu Kuoxi
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  • a College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004;
    b Mingsheng College, Henan University, Kaifeng, Henan 475004

Received date: 2020-04-24

  Revised date: 2020-05-17

  Online published: 2020-06-01

Supported by

Project supported by the Natural National Science Foundation of China (No. 31872311).

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Abstract

A novel fluorescent probe L for Pb2+ based phenanthroline derivative has been designed and synthesized. The probe L displayed fluorescence quenching emission excellent sensitivity specific toward Pb2+ ion. The introduction of Pb2+ resulted the quenching fluorescence of probe L and the color of the solution can be observed changes from yellow to orange in DMF-H2O (V:V=1:1, 10 mmol/L Tris, pH=7.4). The detection limit was as low as 2.68×10-7 mol/L. The bonding mechanism was confirmed by UV-vis, fluorescence, HRMS, 1H NMR experiments and theoretical calculation. It was found that the probe had excellent reversibility for detection of Pb2+ and could be used to effectively identify Pb2+ in living cells.

Key words： phenanthroline derivative; fluorescent probe for Pb2+; living cell imaging

Cite this article

Mei Huihui , Yang Mingyang , Liu Xiaoyan , Tian Yuping , Xu Kuoxi . A Novel Phenanthroline-Based Fluorescent Probe for Pb(II)[J]. Chinese Journal of Organic Chemistry, 2020 , 40(8) : 2508 -2512 . DOI: 10.6023/cjoc202004037

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