FTIR and Raman Characteristic Peak Frequencies in Biological Studies - Vibrational Spectroscopy for Tissue Analysis - page 257

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

Reference
Number Peak Assignment FT-IR Raman

CH 2 /CH 3 wagging and twisting
mode in collagen, nucleic acid
and tryptophan

* 3

1339 cm −1 Collagen * 51

In-plane C-O stretching vibration
combined with the ring stretch
of phenyl

* 6

C-C stretch of phenyl (1) and
C 3 -C 3 stretch and C 5 -O 5 stretch
CH α in-plane bend

* 6

1340 cm −1 Nucleic acid mode * 45

Differences in collagen content * 24

CH 2 wagging * 66, 77

Collagen * 66

Nucleic acid modes indicating the
nucleic acid content in tissues

* 93

DNA *

Nucleic acid vibrational mode * 37

Polynucleotide chain (DNA bases) * 4

* 16

1342 cm −1 CH 2 twisting and wagging * 60

1343 cm −1 CH 3 , CH 2 wagging (collagen

assignment)

* 19

Glucose * 2

1343/4 cm −1 δ(CH), residual vibrations * 43

1344 cm −1 A and G of DNA/RNA and CH

deformation of proteins

* 17

1347 cm −1 An unassigned mode * 5

1350 cm −1 Carbon particle * 94

1354 cm −1 Ring and C-N stretch * 14

1355/7 cm −1 Guanine (N 7 , B, Z-marker * 21

1358 cm −1 Stretching C-O, deformation

C-H, deformation N-H

* 48

1359 cm −1 Tryptophan * 3

1360 cm −1 Tryptophan * 7, 60

1361/2/3/5 cm −1 Guanine (N 7 , B, Z-marker) * 21

1365 cm −1 Tryptophan * 3

ω(CH 2 ) + δ(OH) * 1

1366 cm −1 Guanine, protein, lipids * 17

1367 cm −1 Stretching C-O, deformation

C-H, deformation N-H

* 48

( Continued )