FTIR and Raman Characteristic Peak Frequencies in Biological Studies - Vibrational Spectroscopy for Tissue Analysis - page 229

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

Reference
Number Peak Assignment FT-IR Raman

ν(C-C) phenylalanine * 43

Protein peak * 17

Phenylalanine * 60

Phenylalanine ring breathing mode * 35

ν s Symmetric ring breathing
mode, phenylalanine

* 17

1005 cm −1 Aromatic stretch of a substituted

benzene ring

* 14

Ring stretch * 14

1006 cm −1 Carotenoids (absent in normal

tissues)

* 45

Phenylalanine, δ(ring) * 7

1008 cm −1 CH α,α' out-of-plane bending and

C α = C α' torsion

* 6

Phenylalanine * 22

ν(CO), ν(CC), δ(OCH), ring
(polysaccharides, pectin)

* 7

1009/10/1 cm −1 Stretching C-O deoxyribose * 48

1011 cm −1 CH α,α' out-of-plane bending and

C α = C α' torsion

* 6

1015 cm −1 νC-O of DNA ribose * 61

1016 cm −1 Carbohydrates peak for solids * 24

1018 cm −1 Stretching C-O ribose * 48

ν(CO), ν(CC), δ(OCH), ring
(polysaccharides, pectin)

* 7

1019 cm −1 Ring, C-N-R2 stretch, in-plane

CH bend

* 14

1020 cm −1 DNA * 40

1020-50 cm −1 Glycogen * 38

1020-230 cm −1 Phosphates of DNA * 39

1021 cm −1 Deoxyribose-phosphate (shoulder) * 47

1022 cm −1 Glycogen * 38, 52

1022 cm −1 Glycogen * 24

1023 cm −1 Glycogen * 24

1024 cm −1 Glycogen (C-O stretch associated

with glycogen)

* 38, 52

1025 cm −1 Carbohydrates peak for solutions * * 24

Vibrational frequency of -CH 2 OH
groups of carbohydrates
(including glucose, fructose,
glycogen, etc.)

62

Glycogen 24, 40

( Continued )