FTIR and Raman Characteristic Peak Frequencies in Biological Studies - Vibrational Spectroscopy for Tissue Analysis - page 286

Table 8.1 ( Continued )
Major Characteristic Peak Frequencies Reported in the Literature

Reference
Number Peak Assignment FT-IR Raman

3309 cm −1 OH * 1

3313 cm −1 Amide A band * 77

3320 cm −1 NH band * 23

3327 cm −1 Stretching N-H asymmetric * 48

3328 cm −1 Amide A band * 77

3329 cm −1 N-H vibration of proteins * 103

3330/5/7/9/43 cm −1 Stretching N-H asymmetric * 48

33349 cm −1 OH * 1

33343 cm −1 Stretching N-H asymmetric * 48

3350 cm −1 O-H, N-H, C-H * 23

3350-550 cm −1 OH stretching * 103

3353 cm −1 Stretching N-H asymmetric * 48

3354 cm −1 O-H, N-H, C-H * 23

3359 cm −1 Stretching N-H asymmetric * 48

O-H, N-H, C-H * 23

3362 cm −1 O-H, N-H, C-H * 23

3394 cm −1 OH * 1

3396 cm −1 Stretching O-H asymmetric * 48

3400-550 cm −1 OH vibrations, stretching modes * 1

3401 cm −1 O-H & N-H stretching vibrations

(hydrogen bonding network
may vary in the malignant
tissues)

* 74

3410/16/20/22 cm −1 Stretching O-H asymmetric * 48

3430 cm −1 N-H stretching bands of mainly

trans -ordered substructures

* 83

3435/442 cm −1 Stretching O-H asymmetric * 48

3463 cm −1 OH * 1

3484 cm −1 OH * 1

3498 cm −1 OH 8 1

3500-600 cm −1 OH bonds * 23

3506 cm −1 OH stretching (free) * 6

3524/28/42 cm −1 Stretching O-H * 48

3550 cm −1 O-H stretching vibration * 110

3561 cm −1 OH stretching (free) * 6

3570/77/78/82/90/
9 cm −1

Stretching O-H * 48

3611 cm −1 O-H and N-H stretching

vibrations (hydrogen bonding
network may vary in the
malignant tissues)

* 74