Bactericidal activity of hydrogel beads based on N,N,N-trimethyl chitosan/alginate complexes loaded

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Polysaccharide-based composite materials(beads) containing silver nanoparticles(AgNPs) were successfully prepared.Hydrogel beads acted as an efficient vehicle for Ag* delivery.Beads promoted the AgNPs protection and inhibited their aggregation.Antimicrobial assays showed that the beads/AgNPs concentration can be modulated to deliver an amount of Ag* necessary for kill Escherichia coli cells. Polysaccharide-based composite materials (beads) containing silver nanoparticles (AgNPs) were successfully prepared. Hydrogel beads acted as an efficient vehicle for Ag * delivery.Beads promoted the AgNPs protection and inhibited their aggregation. Antimicrobial assays showed that the beads / AgNPs concentration can be modulated to deliver an amount of Ag * necessary for kill Escherichia coli cells.
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