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Table 2 Raman shifts of peaks and the characteristic assignments

From: Surface-enhanced Raman spectroscopy of blood serum based on gold nanoparticles for the diagnosis of the oral squamous cell carcinoma

Raman shift (cm−1) Peak assignment
294 Au-S band
446–476 Cholesterol
548 S-S disulfide stretching in Proteins
726 Hypoxanthine
745 Thymine in DNA
933 C-C stretching mode, C-C αhelix in proteins
1136–1139 C-N stretch in D-mannons
1263 CH bending in lipids
1328 CH vibration in DNA/RNA, CH2 twisting in lipids
1371 Guanine in DNA, Tryptophan in proteins
1445 CH2, CH3 bending in proteins and lipids
1491 CH2 bending
1541–1542 C-N stretching, Amide II
1602–1607 C = C band in Phenylalanine or Tyrosine