Abstract
Hybrid materials based on polyvinyl alcohol (PVA) and mercaptopropyltriethoxysilane (MPTES) with embedded silver nanoparticles (AgNps) have been synthesized via a sol–gel method. Silver nanoparticles were obtained via thermal reduction in the presence of PVA as a stabilizer and reducing agent. The formation of silver nanoparticles within the PVA/MPTES matrix was proven by FTIR, XRD, and TEM analysis. The antibacterial activity of PVA/AgNps/MPTES materials was determined against strains belonging to Gram-positive and Gram-negative bacteria by disk diffusion and growth curve methods. The hybrid materials showed high antibacterial activity, which depends on the concentration of the silver nanoparticles.
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