Table 3 Main characteristic peaks for FT-IR spectra of different samples/chemicals

Span 60

1125

C–O stretching

2800–3000

C–H stretching

3452

OH stretching

Cholesterol

1747

C=O stretching

2800–3000

C–H stretching

3452

OH stretching

1035–1378

CH₂ bending and CH₂ deformation

1506

C–C stretching in aromatic ring

1674

C=C stretching

Niosome

1125

C–O stretching

1747

C=O stretching

2800–3000

C–H stretching

3452

OH stretching

Cisplatin

3285

Amin stretching

1303

Symmetric amine bending

794

Chlorides stretching

Noisome–cisplatin

3284

Amin stretching

DOX

705–868

Out of plane O–H bending

1000–1280

C–O stretching of alcohol

3518

N–H stretching

1405

CH₃ bending

1530–1618

Aromatic

1630

C=O

1723

Carboxylic acid

2893

Alkane

3293

OH

DSPE–PEG2000–folic acid

842

P–O

961

=C–H out-of-plane bending alkenes

1060

C–O stretching

1149 and 1342

C–N stretching

1242–1281

P=O

1360

CH₂ It is common in all components

1468

representing aromatic rings

1736

C=O Ester

2889

C=O Aldehyde

3421

OH