Table 1 Assignment of specific Raman bands to vibrational models and biological molecules28.

From: Non-invasive cell classification using the Paint Raman Express Spectroscopy System (PRESS)

Peak (cm−1)

Assignment

Reference number

744 (746)

T (ring breathing mode of DNA/RNA bases)

29

789 (788)

O–P–O stretching DNA

30

997 (996)

C–O ribose, C–C

31

1123

(C–N), proteins (protein assignment)

C–C stretching mode of lipids and protein

C–N stretch, Glucose

32,33,34

1671 (1670)

Amide I, C = C stretching vibrations,

Cholesterol & its esters

C = C stretching vibration mode of steroid ring,

Amide I (anti-parallel b-sheet)

n(C = C) trans

lipids, fatty acids

35,36,37,38

2847

CH3 symmetric stretch of lipids

39

2910

CH3 stretching vibrations

40

2980

CH, CH2, and CH3 symmetric and antisymmetric stretching of lipids

41