Biomedical Engineering Reference
In-Depth Information
Table 8.1 (
Continued
)
Major Characteristic
Peak Frequencies Reported in the Literature
Reference
Number
Peak
Assignment
FT-IR
Raman
1163/4 cm
−1
C-O stretching band of collagen
(type I)
*
78
1164 cm
−1
Mainly from the C-O stretching
mode of C-OH groups of serine,
threosine, and tyrosine of
proteins)
*
77
ν(CC), δ(COH), ν(CO) stretching
*
68, 77
C-O stretching (in normal
tissue)
*
79
Hydrogen-bonded stretching
mode of C-OH groups
*
51
1167 cm
−1
N= Quinoid ring= N stretching
and C-H in-plane bending
*
28
1167/8 cm
−1
Ring, cyclic stretch, in-plane CH
bend
*
14
1168 cm
−1
Lipids
*
24
ν(C= C) δ(COH) (lipid
assignment)
*
33
ν(C-C), carotenoid
*
33
1169 cm
−1
Tyrosine (collagen type I)
*
3
Tyrosine
*
3
1170 cm
−1
C-H in-plane bending mode of
tyrosine
*
9, 10
ν
as
CO-O-C
*
65
C-O bands from glycomaterials
and proteins
*
78
1171 cm
−1
Tyrosine (collagen type I)
*
3
Tyrosine
*
3
(CH) phenylalanine, tyrosine
*
43
C-OH groups of serine,
threonine, and tyrosine amino
acids of proteins
*
61
1172 cm
−1
δ(C-H), tyrosine (protein
assignment)
*
20
Stretching vibrations of
nonhydrogen bonding C-OH
groups
*
64
CO stretching
*
64
CO stretching of collagen (type I)
*
78
Stretching modes of the C-OH
groups of serine, threonine, and
tyrosine residues of cellular
proteins
*
52
(
Continued
)
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