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Representative results of antibiofilm activities of the melanin mediated silver nanoparticles (a) Inhibition of Salmonella paratyphi biofilms by AgNPs in microtitre plates (control: black bars; test: gray bars). Fluorescent microscopy images of S. paratyphi biofilms (b) control, (c), (d), (e) with 2.5, 5.0, 10.0 mM AgNPs, respecively.
