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
C-C twist of tyrosine in tumours
*
17
643 cm −1
C-C twisting mode of tyrosine
*
3, 9
645 cm −1
C-C twisting mode of tyrosine
*
16
Ring, cyclic deformation
*
14
646 cm −1
C-C twisting mode of tyrosine
*
3
649 cm −1
Ring, cyclic deformation
*
14
657 cm −1
CH 2, 6, 6' out-of-plane bend and
ring puckering
*
6
659 cm −1
Ring deformation, cyclic rock
*
14
660 cm −1
CH 2, 6, 6' out-of-plane bend and
ring puckering
*
6
662 cm −1
C-S stretching mode of cystine
(collagen type I)
*
3, 10
664/6 cm −1
T, G, and ν(C-S) of cysteine
(DNA/RNA)
*
17
666 cm −1
G, T (ring breathing modes in the
DNA bases)-tyrosine-G
backbone in RNA
*
12
667/9 cm −1
C-S stretching mode of cystine
(collagen type I)
*
3, 10
669 cm −1
C-S stretching mode of cytosine
*
9
669 cm −1
ν 7 (δ: Porphyrin deformation),
observed in the spectra of single
human RBC
*
18
671 cm −1
C-S stretching mode of cystine
*
16
672 cm −1
Guanine (ring breathing modes of
DNA/RNA bases)
*
4
676 cm −1
Ring deformation
*
14
678 cm −1
Ring breathing modes in the
DNA bases
*
12
G (ring breathing modes in the
DNA bases)/C-2'-endo-anti
686 cm −1
Ring deformation
*
14
700-45 cm −1
ν(C-S) trans (amino acid
methionine)
*
7
700-1000 cm −1
Out-of-plane bending vibrations
*
6
702 cm −1
Cholesterol, cholesterol ester
*
2
702/3 cm −1
Ring, C-NR 2 , cyclic stretch with
C-H rock
*
14
702/04/17 cm −1
CH 5',2' out-of-plane bend and ring
puckering
*
*
6
710-50 cm −1
A weak signal due to in-plane
chain deformation modes
(C-O-C) of the ester moiety
*
1
 
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