FTIR and Raman Characteristic Peak Frequencies in Biological Studies - Vibrational Spectroscopy for Tissue Analysis - page 252

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

Reference
Number Peak Assignment FT-IR Raman

1278 cm −1 Vibrational modes of collagen

proteins; Amide III

* 83

Proteins, including collagen I * 8

Structural proteins like collagen * 58

1278/9 cm −1 Deformation N-H * 48

1279 cm −1 Amide III (α-helix) * 9

1280 cm −1 Amide III and CH 2 wagging

vibrations from glycine
backbone and proline side
chains

* 24

Collagen * 66

Amide III * 50

Collagen * 69

Nucleic acids and phosphates * 69

1282 cm −1 Amide III band components of

proteins

* 66, 77

Collagen * 40

1283 cm −1 Differences in collagen content * 24

Collagen * 51

1283-1339 cm −1 Collagen * 51

1284 cm −1 Amide III band components of

proteins

* 70

1287 cm −1 Deformation N-H * 48

1287/8 cm −1 Cytosine * 21

1288 cm −1 Phosphodiester groups in nucleic

acids

* 24

N-H thymine * 48

1290 cm −1 Cytosine * 21

1290-400 cm −1 CH bending * 90

1290/1 cm −1 C-N-C and C-C stretch * 14

1291/2 cm −1 N-H thymine * 48

Cytosine * 21

1294/5/6 cm −1 Deformation N-H cytosine * 48

1296 cm −1 CH 2 deformation * 15

1298 cm −1 Palmitic acid * 2

Acyl chains * 2

Fatty acids * 2

1299/300 cm −1 CH 2 deformation (lipid) * 9

1300 cm −1 -(CH 2 )n- in-plane twist vibration

(lipid band)

* 29

Fatty acids * 24

Fatty acids * 25