Table 1. Raman bands assignments of the culture medium with embryos (SOFaaE).
Experimental (cm−1) | Literature (cm−1) | Assigment |
---|---|---|
845 | 844 [24] | Proteins (v (C-C)) |
891 | 865-942 [25] | Threonine (δ(CO2H)) |
952 | 955 [26] | v (PO4) |
1001 | 1001 [26] | Phenylalanine (Symmetric CC aromatic ring breathing) |
1062 | 1063–1295 [25] | Ɣt (CH2) (Weak, couples with adjacent CH2 groups) |
1076 | 1082 [17] | Lipids (C─C or C─O stretching mode) |
1152 | 1156 [27] | β-carotene (C═C stretch) |
1300 | 1301 [27] | Amide III (δ (N─H)-30%, α-helix,ν (C─N)-40% & δ(CH3)) |
1346 | 1342 [17] | Collagen (CH3CH2 wagging mode) |
1442 | 1428–1471[27]/1442 [28] | Lipid, protein (δ (CN) bending, δ(CH3))/ β-carotene |
1455 | 1451 [29] | Lipids, proteins- Kerantin (CH2 bending) |
2719 | 2727 [27] | T, A, G of DNA in bend overtone(CH3 in phase deformation) |
2892 | 2891 [27] | Poly methylene chain (v (CH2, FR)) |
2957 | 2960 [30] | υ(C−Η) |
Different vibration types: δ: deformation vibration; ρ: rocking vibration; Ɣt: twisting vibration; v: stretching vibration; δ: bending vibration; FR: Fermi resonance