• Chinese Journal of Quantum Electronics
  • Vol. 40, Issue 6, 827 (2023)
YU Ye1,2, LIAO Juan3, WEN Bin3, and DENG Xin4,*
Author Affiliations
  • 1Guilin Municipal Hospital of Traditional Chinese Medicine, Guilin 541000, China
  • 2Beihai Hospital of Chinese Medicine, Beihai 536000, China
  • 3Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning 530000, China
  • 4School of Basic Medicine, Guangxi University of Chinese Medicine, Nanning 530000, China
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    DOI: 10.3969/j.issn.1007-5461.2023.06.003 Cite this Article
    Ye YU, Juan LIAO, Bin WEN, Xin DENG. Study on interaction between taurine and human serum protein by spectroscopy[J]. Chinese Journal of Quantum Electronics, 2023, 40(6): 827 Copy Citation Text show less
    Fluorescence spectra of taurine and HSA at different temperatures
    Fig. 1. Fluorescence spectra of taurine and HSA at different temperatures
    Stern-Volmer curve of fluorescence quenching of taurine and HSA at different temperatures
    Fig. 2. Stern-Volmer curve of fluorescence quenching of taurine and HSA at different temperatures
    Double logarithmic curve of taurine-HSA system at different temperatures
    Fig. 3. Double logarithmic curve of taurine-HSA system at different temperatures
    Taurine-HSA system van't Hoff curve
    Fig. 4. Taurine-HSA system van't Hoff curve
    The fluorescence spectrum of HSA and the UV spectrum of taurine
    Fig. 5. The fluorescence spectrum of HSA and the UV spectrum of taurine
    T / KKsv/M-1Kq/(M-1s-1)R2
    2913.28×1031.24×10110.9548
    3013.01×1033.01×10110.94571
    3112.69×1032.69×10110.97733
    Table 1. Stern⁃Volmer constant of taurine⁃HSA system
    T / KKaKanR2
    2911.57547 ± 0.1163837.60.50435 ± 0.02470.9743
    3011.8267 ± 0.1418566.90.57197 ± 0.03010.97043
    3112.4619 ± 0.207872600.74448 ± 0.044120.96281
    Table 2. The binding constant and number of binding sites of taurine and HSA
    T/KKbH/(k∙J∙mol-1)ΔS/(J∙mol-1∙K-1)G/(k∙J∙mol-1)
    29137.6-8707.633633.41395-1.8431×104
    30166.9-8707.633633.41395-1.8765×104
    311260-8707.633633.41395-1.9099×104
    Table 3. The Stern⁃Volmer logarithm equation of taurine⁃HSA system combinedwith constant Ka and related thermodynamic parameters
    Ye YU, Juan LIAO, Bin WEN, Xin DENG. Study on interaction between taurine and human serum protein by spectroscopy[J]. Chinese Journal of Quantum Electronics, 2023, 40(6): 827
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