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. 2018 Jul 17;293(36):14146–14154. doi: 10.1074/jbc.RA118.002787

Table 1.

Peak assignment in reflection–absorption spectra

Lipid layer (wavenumber)
Assignment Ref. No.
POPC GM1a GlcCerb POPC + GM1a POPC + GlcCerb
cm1
3342 3331 O–H, N–H stretching (43)
2962 2964 2963 2961 2961 Asymmetric stretching –CH3 (43, 44)
2923 2927 2926 2927 2927 Asymmetric stretching –CH2 (43, 44)
2880 2879 2879 2879 2879 Symmetric stretching –CH3 (43)
2856 2855 2855 2856 2856 Symmetric stretching –CH2 (43, 44)
1742 1731 1741 1742 C=O stretching (44)
1660 1664 1667 1667 Amide I (44, 45)
1547 1541 Amide II (44, 45)
1468 1466 1468 1468 1469 Scissoring bending –CH2 (43, 44)
1379 1379 1379 1376 Scissoring bending –CH3 (43, 44, 45)
1261 1243 1244 1251 1251 PO2 asymmetric stretching (44)
1061 1065 1060 1058 1058 PO2 symmetric, C–O stretching (44)

a GM1/sphingomyelin/cholesterol (20:40:40).

b GlcCer/sphingomyelin/cholesterol (20:40:40).