Spectroscopy and Molecular Changes in Cancer Cells - Vibrational Spectroscopy for Tissue Analysis - page 24

Table 2.2 ( Continued )
Assignment for the Most Characteristic Raman and IR Bands
Chemical Groups

Representatives FT-Raman (cm -1 ) Assignment ATR-IR (cm -1 ) Assignment

1419 ν s (COO - )

1368 δ(CH 2 ),

ν(CC)

1335 δ(CH), ring

1745 ν(C=O) 1150 ν(C-O-C),

ring

854 ν(C-O-C) skeletal

mode of α-anomers

1107 ν(CO),

ν(CC), ring

1055 ν(CO),

ν(CC),
δ(OCH)

1033

ν(CO),
ν(CC),
ν(CCO)

1018

ν(CO),
ν(CC),
δ(OCH),
ring

1008

ν(CO),
ν(CC),
δ(OCH),
ring

972 OCH 3

963 δ(C=O)

Source: P. G. Andrus, Cancer monitoring by FTIR spectroscopy. Technol. Cancer. Res. Treat . 5(2006): 157-167. With permission.
Note: Amide I: ν(C=O) + ω(N-H), Amide III: δ(N-H) + ν(C-N), Amide II: δ(N-H) + ν(C-N).