Fig. 16

Growth curves of bacteria showing the effects of various concentrations of Ag-doped IONPs (0.5, 1, and 2 mg/ml). (a) E. coli, Ag-doped Fe₃O₄ NPs; (b) E. coli, Ag-doped Fe₂O₃ NPs; (c) K. pneumoniae, Ag-doped Fe₃O₄ NPs; (d) K. pneumoniae, Ag-doped Fe₂O₃ NPs.