. 2017 Oct 16;12(10):e0186375. doi: 10.1371/journal.pone.0186375

Table 2. Discriminatory frequencies (cm^-1) of the comparison between ethanol-treated and isopropanol-treated, with control groups of MRSA derived from PCA-LDA.

Ethanol-treated (cm^-1)	Isopropanol-treated (cm^-1)	Molecular Assignment
1683	1683	Proteins: Amide I/turns or antiparallel β-sheet structure
1660	1660	Proteins: Amide I/turns 3₁₀ helical structure
1597	1597	Proteins: Amide II
1548	1550	Proteins: Amide II/mainly N-H bending; α-helical structure
	1531	Proteins: Amide II/mainly N-H bending; β-sheet structure
1407	1407	Lipids: C-H deformation
	1346	Lipids: C-H deformation
1228	1228	Phosphates: ν_asym PO^2-
1085	1085	Phosphates: ν_sym PO^2-
1062	1062	Carbohydrates: C-O stretching; DNA/RNA

Table 2. Discriminatory frequencies (cm-1) of the comparison between ethanol-treated and isopropanol-treated, with control groups of MRSA derived from PCA-LDA.