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Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy v.174, 2017년, pp.230 - 235   SCI SCIE
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A novel ratiometric fluorescent probe based on 1, 8-naphthalimide for the detection of Ho3+ and its bioimaging

Zhang, Huifang (Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China ) ; Liu, Tao (Research Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China ) ; Yin, Caixia (Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China ) ; Wen, Yin (Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China ) ; Chao, Jianbin (Research Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China ) ; Zhang, Yongbin (Research Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China ) ; Huo, Fangjun (Research Institu ) ;
  • 초록  

    Abstract A ratiometric fluorescent probe for the detection of Ho 3+ in DMSO-aqueous medium was designed and synthesized based on 1, 8-naphthalimide. The probe displayed response to Ho 3+ with a fluorescence decrease at 512nm and enhancement at 480nm, accompanying with a distinct fluorescence change from bright yellow-green to cyan. Besides, the probe exhibited a lower detection limit (6×10 −8 M) and could be used in intracellular fluorescence imaging. To the best of the knowledge, it was the first ratiometric fluorescent probe for Ho 3+ detection. This probe was expected to be a useful tool for further elucidating the roles of Ho 3+ in materials, biology and environment. Highlights The compound is the first ratiometric fluorescent probe for the detection of Ho 3+ . The probe exhibits a lower detection limit (6×10 −8 M). Its potential application in bioimaging was also illustrated. Graphical abstract Based on the coordination reaction between probe and Ho 3+ under mild conditions, we herein report the first ratiometric fluorescent probe which features a rapid signal response time (within 200s), a good linearity range and a low detection limit (6×10 −8 M). The potential application of this ratiometric fluorescent probe was demonstrated by fluorescent imaging in living cells. [DISPLAY OMISSION]


  • 주제어

    Ratiometric .   Fluorescent probe .   Ho3+ .   Bioimaging.  

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