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
2849 cm
−1
Stretching C-H
*
48
2850 cm
−1
C-H stretching bands
*
74
Stretching C-H
*
48
ν
s
CH
2
, lipids, fatty acids
*
7
CH
2
symmetric
2850-3100 cm
−1
CH stretching modes, both
symmetric and asymmetric
*
1
2851 cm
−1
Symmetric CH
2
stretch
*
48
2852 cm
−1
ν
s
CH
2
65
2853 cm
−1
ν
s
CH
2
of lipids
*
51
Asymmetric CH
2
stretching mode
of the methylene chains in
membrane lipids
*
51
Symmetric stretching of
methoxy (2)
*
6
2854 cm
−1
ν
s
CH
2
*
1
2860 cm
−1
Stretching C-H
*
48
2864 cm
−1
Symmetric stretching of
methoxy (2)
*
6
Symmetric stretching of
methoxy (1)
*
6
2865 cm
−1
C= O
*
1
2867 cm
−1
Symmetric stretching of
methoxy (3)
*
6
2870 cm
−1
Symmetric stretching of
methoxy (4)
*
6
2871 cm
−1
Symmetric stretching of
methoxy (2)
*
6
2874 cm
−1
ν
s
CH
3
*
65
Stretching C-H, N-H
*
6
2884/85 cm
−1
Stretching C-H
*
6
2885 cm
−1
*
7
ν
s
CH
3
, lipids, fatty acids
2886 cm
−1
Fermi resonance CH
2
stretch
*
2
2886/7/8/9/90 cm
−1
Stretching C-H
*
6
2893/4/5 cm
−1
CH
3
symmetric stretch
*
95
2893/4/6 cm
−1
CH
3
symmetric stretch
*
95
2900 cm
−1
CH stretch
*
109
2900-3040 cm
−1
CH
3
stretching modes (both
symmetric and asymmetric)
*
1
2910-65 cm
−1
CH
3
stretching vibrations
*
103
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