• Spectroscopy and Spectral Analysis
  • Vol. 42, Issue 5, 1484 (2022)
Jiang-qing LIU1、*, Chang-hui YU2、2; 3;, Yuan GUO2、2; 3;, Sheng-bin LEI1、1; *;, and Zhen ZHANG2、2; 3; *;
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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    DOI: 10.3964/j.issn.1000-0593(2022)05-1484-06 Cite this Article
    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 Copy Citation Text show less
    Structural of L-DPPC (a), D-DPPC (b) and VB2 (c)
    Fig. 1. 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
    Fig. 2. 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
    Fig. 3. 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
    Fig. 4. 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
    Fig. 5. 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
    Fig. 6. 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
    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 1. The phase transition points of L-DPPC, D-DPPC, racemic DPPC and the limiting monomolecular area of LC phase
    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
    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
    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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