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. 2020 Mar 29;10(4):638. doi: 10.3390/nano10040638

Figure 4.

Figure 4

Antibacterial activities of biosynthesized AgCl-NPs against Escherichia coli. (A) Disk diffusion assay. Different disc numbers showed various concentrations of AgCl-NPs and amoxicillin, as explained in the Material and Methods section (1: control, 2: 20 µg/mL of AgCl-NPs, 3: 40 µg/mL of AgCl-NPs, 4: 20 µg/mL of amoxicillin, 5: 20 µg/mL of AgCl-NPs + 20 µg/mL of amoxicillin, 6: 40 µg/mL of AgCl-NPs + 20 µg/mL of amoxicillin, 7: 40 µg/mL of amoxicillin, 8: 20 µg/mL of AgCl-NPs + 40 µg/mL of amoxicillin, 9: 40 µg/mL of AgCl-NPs + 40 µg/mL of amoxicillin). (B) Inhibition zone diameter. Different letters indicate significant differences (p < 0.05) among various treatments.