Abstract
Silver nanoparticles, thanks to their antiviral and antibacterial properties, have great potential in a variety of applications, such as drug-delivery carriers. The coating properties of silver nanoparticles (size range of 1.6 nm) with a well-known drug, Favipirair, were investigated in this study using quantum mechanical and classical atomistic molecular dynamics simulation in order to use as the drug delivery to treat COVID-19 disease. The drug molecule's optimized structure, frequencies, charge distribution, and electrostatic potential maps were simulated using density functional theory (DFT) at the B3LYP/6–311++g(d,p) level of theory. The coating of AgNP with each of these drugs was then studied using molecular dynamics simulation. The interaction affinity obtained from MD results agrees with the DFT results on drug adsorption on the Ag(111) slab.
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