Fig. 1

Optical and physiochemical characterization of PEG-AgNPs. A UV–Vis spectrophotometer showing a smooth regular peak with maximum absorbance at 427 nm, which is in accordance with the nanoparticles’ size range of 50–60 nm. B Dynamic light scattering technique showing an average size of 49 ± 5.9 nm, indicating and confirming the UV–Vis results. C Zeta potential revealing the synthesis of a highly stabilized silver nano population. D TEM image demonstrating the difference in intensities between AgNPs and their pegylated corona