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Agar well diffusion method pictures after 24 h culture showing the inhibition growth of Escherichia Coli bacteria (a) of (b) PLA/SiO2 (1.0 wt.%), (c) PLA/SiO2 (2.0 wt.%), (d) PLA/SiO2 (4.0 wt.%) and Staphylococcus aureus (e) for (f) PLA/SiO2 (1.0 wt.%), (g) PLA/SiO2 (2.0 wt.%), (h) PLA/SiO2 (4.0 wt.%).
