Table 1.

Functional groups in AgNPs and their PEG and CIP nano-conjugates.

Bonding Types	Functional Groups	Products and Wavelengths (cm−1)
		AgNPs	AgNPs-PEG	AgNPs-CIP	AgNPs-PEG-CIP
O-H	Hydroxyl	3455.56	3428.65	3434.62	3413.61
C-H	Aryl	-	-	2919.39	2914.81
C=O	Carbonyl	1635.80	1634.21	1635.59	1634.15
N-H	Amine	1046.57	1096.94	1094.57	1098.04
C=C	Alkene	667.44	667.27	667.56	667.37