Table 1. Peak assignment in the Raman spectra from mouse embryos²⁹,³⁰,³¹,³².

Peak (cm−1)	DNA/RNA	Proteins	Lipids	Carbohydrates	Others
826	O-P-O str DNA/RNA	ring br Tyr
855		ring br Tyr
878		Try	C-C-N+ sym str	C-O-C ring
939		C-C BK str α-helix
958	sym str PO43−				hydroxyapatite
980		C-C BK str β-sheet
1004		sym ring br Phe
1034		Phe
1048	sym str PO43−
1076	sym str PO43−		C-C
1083		C-N str
1096	sym str PO2−
1128		C-N str		C-O str
1158		C-C/C-N str
1175	C, G	Tyr, Phe, C-H bend
1211		C-C6H5 str Tyr, Phe
1250–1275	A, T	Amide III	CH2 def
1300			CH2 twi
1309		CH3/CH2 twi, ben	CH3/CH2 twi, ben
1343	G	CH def		CH def
1450		CH def	CH def	CH def
1463		CH3/CH2 def	CH3/CH2 def
1544		Amide II
1586		C=C Phe
1617		C=C Phe, Tyr
1659		Amide I	C=C str
1750			C=O str