FTIR and Raman Characteristic Peak Frequencies in Biological Studies - Vibrational Spectroscopy for Tissue Analysis - page 221

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

Reference
Number Peak Assignment FT-IR Raman

838 cm −1 Deformative vibrations of amine

groups

* 28

840 cm −1 α-anomers * 2

Glucose-saccharide band
(overlaps with acyl band)

* 2

Saccharide (α) * 2

840-60 cm −1 Polysaccharide structure * 29, 30

842 cm −1 Glucose * 9

847 cm −1 Monosaccharides (α-glucose),

(C-O-C) skeletal mode

* 7

Disaccharide (maltose), (C-O-C)
skeletal mode

* 7

850 cm −1 Most probably due to single bond

stretching vibrations for the
amino acids and valine and
polysaccharides

* 29

Tyrosine (Fermi resonance of ring
fundamental and overtone)

* 7

850-950 cm −1 Signal free area of amphetamine * 31

850-990 cm −1 Ring stretch, C-N-R2 stretch and

cyclic C-C-C bend

* 14

852 cm −1 Proline, hydroxyproline, tyrosine * 3

Tyrosine ring breathing * 12

Glycogen * 8

Ring breathing of tyrosine and
ν(C-C) hydroxyproline ring
specific to collagen

* 17

853 cm −1 Ring breathing mode of tyrosine

and C-C stretch of proline ring

* 9, 10

Glycogen * 8

853/4 cm −1 Structural proteins like collagen * 32

854 cm −1 CH 2, 6 out-of-plane bending * * 6

(C-O-C) skeletal mode of
α-anomers (polysaccharides,
pectin)

* 7

Protein peak * 17

Ring breathing of tyrosine and
ν(C-C) hydroxyproline ring
specific to collagen

* 17

Ring breathing in tyrosine/C-C
stretching in proline

* 16

855 cm −1 Proline, tyrosine * 20

( Continued )