FTIR and Raman Characteristic Peak Frequencies in Biological Studies - Vibrational Spectroscopy for Tissue Analysis - page 231

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

Reference
Number Peak Assignment FT-IR Raman

1032 cm −1 CH 2 CH 3 bending modes of

collagen and phospholipids

* 20

C-C skeletal stretch (one of C-C
ring vibration to be expected in
aromatic structure of xylene)

* 15

Phenylalanine of collagen * 3

O-CH 3 stretching of methoxy
groups

* 6

Proline (collagen assignment) * 19

Proline * 17

δ(C-H), phenylalanine * 60

1033 cm −1 Differences in collagen content * 24

* 66, 68

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

Phenylalanine mode * 12

ν(CO), ν(CC), ν(CCO)
(polysaccharides, pectin)

* 7

1034 cm −1 Phenylalanine of collagen * 3

1035 cm −1 Skeletal trans conformation (CC)

of DNA

* 62

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

* 66

Glycogen * 52

Collagen * 69

ν(CO), ν(CC), ν(CCO),
(polysaccharides-cellulose)

* 7

1036 cm −1 C-H in plane bending mode of

phenylalanine

* 16

1037 cm −1 ν(CC) skeletal cis conformation,

ν(CH 2 OH), ν(CO) stretching
coupled with C-O bending

* 66

1039/40 cm −1 Stretching C-O ribose * 48

1040 cm −1 ω(CH 2 ) * 1

1040/41 cm −1 Formalin peaks appearing in the

fixed normal and tumour
tissues

* 50

1043 cm −1 Carbohydrates peak for solutions

and solids

* 24

Proline (collagen assignment) * 19

Carbohydrates * 30

( Continued )