Spectroscopy and Spectral Analysis, Volume. 42, Issue 5, 1484(2022)

Interaction Between Dipalmityl Phosphatidylcholine and Vitamin B2 Studied by Second Harmonic Spectroscopy and Brewster Angle Microscopy

Jiang-qing LIU1,*... Chang-hui YU2,2; 3;, Yuan GUO2,2; 3;, Sheng-bin LEI1,1; *; and Zhen ZHANG2,2; 3; *; |Show fewer author(s)
Author Affiliations
  • 11. Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
  • 22. Beijing National Research Center for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
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    Figures & Tables(8)
    Structural of L-DPPC (a), D-DPPC (b) and VB2 (c)
    π-A isotherms of L-DPPC, D-DPPC and race-DPPC monolayers diffused at the interface between ultrapure water and VB2 aqueous solution
    The elastic Modulus of L-DPPC, D-DPPC and race-DPPC monolayer on μL trapure water and VB2 aqueous solution are 5, 15, 25 and 35 mN·m-1
    The monolayer is at 13 mN·m-1, (a), (b) represent SH Intensityand DCE of L-DPPC onpure water and VB2 aqueous solution; (c), (d) represent SH Intensityand DCE of E-DPPC onpure water and VB2 aqueous solution; (e), (f) represent SH Intensityand DCE of L-DPPC onpure water and VB2 aqueous solution
    The monolayer is at 13 mN·m-1, (a), (b) represent L-DPPC microdomains on the surface of pure water and VB2 aqueous solutions; (c), (d) represent D-DPPC microdomains on the surface of pure water and VB2 aqueous solutions; (e), (f) represent race-DPPC microdomains on the surface of pure water and VB2 aqueous solutions. The size of each image is 150 μm×50 μm
    L-DPPC monolayer film at the interface of 13~15 mN·m-1 and VB2 aqueous solution during the growth process (a—f) of clover. The size of each image is 150 μm×50 μm
    • Table 1. The phase transition points of L-DPPC, D-DPPC, racemic DPPC and the limiting monomolecular area of LC phase

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      Table 1. The phase transition points of L-DPPC, D-DPPC, racemic DPPC and the limiting monomolecular area of LC phase

      L-DPPCD-DPPCrace-DPPC
      H2OVB2H2OVB2H2OVB2
      πt13.53.03.33.92.2-
      πt210.69.89.99.37.9-
      πC51.655.855.658.856.250.9
      AC43.034.041.033.030.021.0
    • Table 2. The monolayer is at 13 mN·m-1, DCE Value of L-DPPC, D-DPPC and race-DPPC monolayers diffused at the interface between ultrapure water and VB2 aqueous solution

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      Table 2. The monolayer is at 13 mN·m-1, DCE Value of L-DPPC, D-DPPC and race-DPPC monolayers diffused at the interface between ultrapure water and VB2 aqueous solution

      MonolayerDCE Value
      L-DPPC H2O-0.033
      L-DPPC VB2-0.029
      D-DPPC H2O-0.034
      D-DPPC VB20.127
      race-DPPC H2O-0.025
      race-DPPC VB2-0.024
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    Jiang-qing LIU, Chang-hui YU, Yuan GUO, Sheng-bin LEI, Zhen ZHANG. Interaction Between Dipalmityl Phosphatidylcholine and Vitamin B2 Studied by Second Harmonic Spectroscopy and Brewster Angle Microscopy[J]. Spectroscopy and Spectral Analysis, 2022, 42(5): 1484

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    Paper Information

    Category: Research Articles

    Received: Apr. 19, 2021

    Accepted: --

    Published Online: Nov. 10, 2022

    The Author Email: LIU Jiang-qing (1903843666@qq.com)

    DOI:10.3964/j.issn.1000-0593(2022)05-1484-06

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