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Assignment of PM-IRRAS bands
| Monolayer lipid composition (molar ratio) | TNAP Presence | CH2 asym. (cm−1) | CH2 sym. (cm−1) | C=O ester (cm−1) | Amide I (cm−1) | Amide II (cm−1) |
|---|---|---|---|---|---|---|
| DPPC | − | 2920 | 2849 | 1728 | - | - |
| DPPC | + | 2915 | 2849 | 1731 | 1645 | 1562 |
| DPPC:CHOL 4:1 | − | 2919 | 2851 | 1731 | - | - |
| DPPC:CHOL 4:1 | + | 2913 | 2855 | 1732 | 1649 | 1534 |
| DPPC:CHOL 1:1 | − | 2916 | 2852 | 1738 | - | - |
| DPPC:CHOL 1:1 | + | 2916 | 2852 | 1743 | * | 1557 |
Not observed
