FTIR and Raman Characteristic Peak Frequencies in Biological Studies - Vibrational Spectroscopy for Tissue Analysis - page 217

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

Reference
Number Peak Assignment FT-IR Raman

717 cm −1 CH 5',2' out-of-plane bend and ring

puckering

* * 6

717 cm −1 C-N (membrane phospholipids

head)/adenine

* 9

718 cm −1 Choline group * 2

C-N (membrane phospholipid
head)/nucleotide peak
symmetric choline stretch,
phospholipids, (H3C)N+ stretch
band

* 14

719 cm −1 C-N (membrane phospholipid

head)/nucleotide peak

* 10

Symmetric stretch vibration of
choline group N + (CH 3 ) 3 ,
characteristic for phospholipids

* 2

Phosphatidylcholine,
sphingomyelin

* 2

720 cm −1 DNA * 8

C-N stretching in lipids/adenine * 16

C-N (membrane phospholipid
head)/nucleotide peak
symmetric choline stretch,
phospholipids, (H3C)N+ stretch
band

* 17

722 cm −1 DNA * 8

724 cm −1 C-N (membrane phospholipid

head)/nucleotide peak
symmetric choline stretch,
phospholipids, (H3C)N+ stretch
band

* 17

725 cm −1 A (ring breathing mode of DNA/

RNA bases)

* 12

726 cm −1 C-S (protein), CH 2 rocking,

adenine

* 9

727 cm −1 Adenine (ring breathing modes of

DNA/RNA bases)

* 4

727/8 cm −1 C-C stretching, proline (collagen

assignment)

* 19

733 cm −1 Phosphatidylserine * 2

735 cm −1 C-S stretch (one of three

thiocyanate peaks, with 2095
and 445 cm −1 )

* 5

737 cm −1 C-O 4' bend * * 6

( Continued )