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
1087-90 cm
−1
C-C stretch
*
9
PO
2
−
stretch
1088 cm
−1
C-N stretching of proteins and
lipids, ν(C-C) and ν(C-O) of
phospholipids
*
17
1088-90 cm
−1
Phosphate I (stretching PO
2
−
symmetric vibration) in
B
-form
DNA
*
23
1089 cm
−1
Stretching PO
2
−
symmetric in
RNA
*
23
1090 cm
−1
Symmetric phosphate stretching
vibrations
*
24, 30
Mannose and
mannose-6-phosphate
*
56
Phosphate ester (C-O-P) band
*
56
1090-100 cm
−1
Phosphate II (stretching
PO
2
−
asymmetric vibration) in
A
-form RNA
*
23
1092/3 cm
−1
Phosphodioxy groups
*
21
1093 cm
−1
Symmetric PO
2
−
stretching
vibration of the DNA
backbone-phosphate backbone
vibration as a marker mode for
the DNA concentration -C-N of
proteins
*
12
1094 cm
−1
DNA
*
54
Stretching PO
2
−
symmetric
(phosphate II)
*
48
ν
asym
(C-O-C)
(polysaccharides-cellulose)
*
7
Ring, C-N-R2 stretch
*
14
1095 cm
−1
Lipid
*
38
Stretching PO
2
−
symmetric
*
50
ν(C-N)
*
3
DNA: O-P-O backbone
stretching
*
16
1096 cm
−1
Phosphodioxy (PO
2
−
) groups
*
2
Ring, C-N-R2 stretch
*
*
14
1099 cm
−1
ν(C-N)
*
3
1099/100 cm
−1
Stretching PO
2
−
symmetric
(phosphate II)
*
48
1100 cm
−1
Phospholipids (stretching C-C
skeletal vibrations in the
gauche
conformation)
*
35
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