Table 2. . Fourier transform infrared spectroscopy characterization study of molybdenum and signature peak analysis.

Assignments	Peak positions (cm-1)
	Mo	Mo + EDC–NHS	Mo + EDC–NHS + α-IL-6	Mo + EDC–NHS + α-CRP
Moly oxide	900 – 1100	N/A	N/A	N/A
v (C=O)	N/A	1650	1647	1656
vas (N–O)	N/A	1566	N/A	N/A
vas (C–N, C–C)	N/A	N/A	1082	1047

CRP: C-reactive protein; EDC: 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride; Mo: Molybdenum; NHS: N-hydroxysuccinimide.