Assignment

Wave number (cm⁻¹)

Aurein

Aurein-SPM-CHOL-DOPC

Aurein-SPM-CHOL-DPPC

OH/NH

3400 - 3100

3280

3293

3291

C-H

3100 - 2800

3059:2955

2925:2855

2918:2851

C=O

1800 - 1700

1729

1730

Amide I

1700 - 1600

1646

1653

1654

Amide II

1600 - 1500

1533

1539

1541

Amide III

1350 - 1250

Phosphate

1260 - 1050

1198:1134:1057

1175:1051

${\text{NH}}_4^{+}$

1000 - 700

970:701

972