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Sensors and actuators. B, Chemical v.259, 2018년, pp.803 - 808   SCI SCIE SCOPUS
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Iminocoumarin-based fluorescence probe for intracellular H2O2 detection with a red emission and a large Stokes shift

Liu, Xingjiang (College of Chemistry & Chemical Engineering, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha, 410083, China ) ; He, Long (College of Chemistry & Chemical Engineering, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha, 410083, China ) ; Yang, Liu (College of Chemistry & Chemical Engineering, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha, 410083, China ) ; Geng, Yani (College of Chemistry & Chemical Engineering, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha, 410083, China ) ; Yang, Lei (College of Chemistry & Chemical Engineering, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha, 410083, China ) ; Song, Xiangzhi (College of Chemistry & Chemical Engineering, Hunan Provincia ) ;
  • 초록  

    Abstract A highly sensitive and selective fluorescence probe for H 2 O 2 has been developed based on an iminocoumarin derivative using aromatic boronic ester as sensing unit. A significant fluorescence enhancement was observed with λ max em = 619 nm when this probe was treated with H 2 O 2 . In the detection of H 2 O 2 , this probe exhibited a large Stokes shift (148 nm) and a low detection limit (6.0 × 10 −8 mol/L). Furthermore, cell imaging studies had revealed that this probe had the potential to detect intracellular H 2 O 2 in living cells. Highlights This probe was highly selective to H 2 O 2 over other reactive oxygen species (ROS). This probe displayed a red fluorescence (λ em max = 619 nm) and a large Stokes shift (148 nm) with a low detection limit (6.0 × 10 −8 mol/L). This probe displayed a good performance in the detection of intracellular H 2 O 2 in living cells.


  • 주제어

    Fluorescent probe .   Hydrogen peroxide .   Iminocoumarin derivative .   Red emission .   Large stokes shift.  

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