Table 1.

Characteristic bands of platelets.

CCD	Healthy	Vibrational modes	Component	Reference	P-value
544 w	544 w	S–S str vibrations	Cys	[1]	P < 0.05
643 w	643 mw	C–C twist	Tyr	[1]	P < 0.05
757 w	757 mw	Phosphate diester str	Phosphatidilethanolamine	[1]	P < 0.05
829 mw	829 m	Ring br aromatic mode	Trp	[4]	P < 0.05
851 mw	851 m	Ring br aromatic mode in Tyr/phosphate groups	Proteins, phospholipids	[1]	P < 0.05
941 mw	941 m	C–C backbone vibration	Lipids, proteins	[1]	P < 0.05
955 mw	955 m	C–C backbone vibration	Lipids, proteins	[1]	P < 0.05
1004 s	1004 vs	Aromatic δ ring mode	Phe	[1]	P < 0.05
1130 m	1130 m	ν(Cβ–methyl)	proteins	[2]	P < 0.05
1154 vs	1154 vs	Bond stretching (v) C–C	proteins	[1]	P < 0.05
1275 m	1275 m	= C–H in plane deformation vibrations	Unsaturated fatty acids	[1]	P < 0.05
–	1341 m	Aromatic ring mode	Trp	[3]	P < 0.05
1450 m	1450 s	CH2 bend	Lipids	[1]	P < 0.05
1519 vs	1519 vs	NH3-sym bend	proteins	[4]	P < 0.05
1581 m	1581 m	Aromatic ring mode	Trp	[1]	P < 0.05
–	1614 m	Aromatic ring mode	Tyr	[1]	P < 0.05
1666 mw	1666 s	Amide I, C C str	Proteins, cholesterol	[1]	P < 0.05