FTIR and Raman Characteristic Peak Frequencies in Biological Studies - Vibrational Spectroscopy for Tissue Analysis - page 230

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

Reference
Number Peak Assignment FT-IR Raman

-CH 2 OH groups and the C-O
stretching vibration coupled
with C-O bending of the C-OH
groups of carbohydrates
(including glucose, fructose,
glycogen, etc.)

* 63

O-CH 3 stretching mode (with a
very low Raman activity)

* 1

Carbohydrates * 30

Ring, C-N-R2 stretch, in-plane
CH bend

* 14

1028 cm −1 Glycogen absorption due to C-O

and C-C stretching and C-O-H
deformation motions

* 62

O-H stretching coupled with
C-O bending of C-OH groups
of carbohydrates

* 61

1029/30 cm −1 O-CH 3 stretching of methoxy

groups

* * 6

1030 cm −1 Glycogen vibration * 55, 64

CH 2 OH vibration * 64

ν s C-O * 65

Collagen and phosphodiester
groups of nucleic acids

* 63

1030 cm −1 Stretching C-O ribose * 48

1030 cm −1 Phenylalanine of collagen * 3

Collagen * 66

* 33

ν(CC) skeletal, keratin (protein
assignment)

1031 cm −1 δ(C-H), phenylalanine (protein

assignment)

* 20

C-H in-plane bending mode of
phenylalanine

10

Carbohydrate residues of collagen 24

ν(CC) skeletal cis conformation,
ν(CH 2 OH), ν(CO) stretching
coupled with C-O bending

* 66, 67

Collagen * 40, 51

One of the triad peaks of nucleic
acids (along with 1060 and 1081)

* 50

Phenylalanine, C-N stretching of
proteins

* 12

C-H in-plane bending mode of
phenylalanine

* 9