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Inhibitory effect of synthesized AgNPs on A549 cell migration. (A–C) A scratch was made onto a monolayer of untreated A549 cells at 0 h. (D–F) Following treatment with different concentrations of AgNPs (2.5, 10 and 25 µg/mL) at 24 h, the migration patterns of A549 cells were recorded using inverted light microscopy.
