Table 1 The peak positions and assignment of Raman spectra.
From: Preliminary study on the optical diagnosis of orbital rhabdomyosarcoma by Raman spectroscopy
Raman peaks (cm−1) | Assignment |
|---|---|
721 | C-N band in nucleic acid |
758 | aromatic ring of tryptophan |
831 | DNA (PO2 asymmetric stretching), tyrosine |
853 | ν(C–C) of proline |
936 | ν(C–C) in α-conformation of proline |
960 | sterol ring stretch of cholesterol |
1002 | νs(C–C) ring breathing of phenylalanine |
1032 | ν(C–C) of phenylalanine |
1088 | nucleic acids backbone (PO2 symmetric stretching) |
1127 | ν(C–C) skeletal of acyl backbone in lipid |
1156 | ν(C=C) stretching mode in carotenoid |
1173 | C–C stretching of cholesterol, fatty acids—HO |
1206 | ν(C–C6H5) of tryptophan and phenylalanine |
1340 | δ(CH2CH3) of proteins and nucleic acids |
1450 | δ(CH2) of phospholipids and collagen |
1526 | ν(–C=C–) of carotenoid |
1655 | C=C stretching of lipids (unsaturated fatty acids) |