Table 6.

Peak position and mode assignment of demineralized areas of benign mixed tumor (sample #1).

Peaks (cm−1)		Major Assignment
This Work	Literature [22,28,34,39,40]
560	558, 646	Silica dioxide
785	785	U, T, C (ring breathing modes in the DNA/RNA bases); Backbone O-P-O
1096	1096	Phosphodioxy (${\mathrm{PO}}_2^{-}$) groups
1250	1250	Phosphate associated amide III
1455	1455	Deoxyribose; δ(CH2)
1673	1673	Amide I
2421	-	No reference found
2850	2850	νs CH2, lipids, fatty acids; CH2 symmetric
2883	2883	CH2 asymmetric stretch of lipids and proteins
2942	2940	C-H vibrations in lipids & proteins; νas CH2, lipids, fatty acids