TABLE 1.

List of Gaussian oscillators used to fit the experimental absorbance curve with the individual assignments [10, 23] based on a majority absorbance contribution

Oscillator number	Wave number (cm−1)	Assignment
1	1735	Lipids: Symmetric vibration C=O
2	1680	β (antiparallel + turn): Amide I of proteins
3	1653	α-helix structures: Amide I of proteins
4	1632	β-pleated sheet structures: Amide I of proteins
5	1618	Side chain: Amide I of proteins
6	1588	C—C stretching of phenyl rings: Amide II of proteins
7	1555	β-pleated sheet structures: Amide II of proteins
8	1529	C=N adenine, cytosine, guanine: Amide II of proteins
9	1500	C—H bending of phenyl rings
10	1450	Lipids: CH2 symmetric, proteins: CH3 asymmetric deformation
11	1395	Amino acid: Symmetric stretching of COO-, proteins: CH3
12	1350	Adenine: Stretch carboxyl group COO
13	1300	Amide III: C—H/N—H deformation vibrational modes methyl group
14	1245	Lipid phosphates, DNA, RNA: Asymmetric (PO2−) stretching
15	1155	C—O stretching vibrations
16	1116	Symmetrical stretching P—O—C, C—O(H) stretching bands of RNA
17	1076	Mannose: C—O stretching (carbohydrate α-anomer)
18	1033	Glucose: C—O stretching (carbohydrate, β-anomer)