Fabrication of an Original Transparent PVA/Gelatin Hydrogel: In Vitro Antimicrobial Activity against Skin Pathogens

Table 2

Main FTIR spectral assignments in the prepared hydrogels.

Hydrogel	Wave number (cm^-1)	Peak intensity	Nature of bond(s)	Spectral assignment #
HG	3615	Low	O—H	1
	3222	Low	H—H	2
	1730	Low	C=O	5
	1443	Medium	C—H	7
HE	3291	Low	—NH3^+	1
	1652	Strong	C=O and NH2	6
	1087	Low	C—O	11
	943	Strong	CH2	12