Table 1.

Physicochemical Characteristics of Argovit.

Properties	Mean
Metallic silver content (% wt.)	1.2
PVP content (% wt.)	18.8
Silver nanoparticle morphology	Spheroid
Average diameter of metallic silver particles by TEM data (nm)	35
Size interval of metallic silver particles by TEM data (nm)	1 to 90
Hydrodynamic diameter: metallic Ag with PVP (nm)	70
Zeta potential (mV)	−15
Surface plasmon resonance	420 nm
PVP structure by FTIR	Confirmed

Abbreviations: Ag, silver; FTIR, Fourier transform infrared; PVP, polyvinylpyrrolidone; TEM, transmission electron microscopic.