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. 2020 Aug 7;10(8):1545. doi: 10.3390/nano10081545

Figure 3.

Figure 3

In vitro antibacterial activity test. (A) Cell survival rate of Salmonella cells treated or untreated with MnO2 nanosheets (31.5–500 μg/mL). (B) Photographs of the agar plates of Salmonella treated or untreated with MnO2 nanosheets, with a–f corresponding to the concentrations of MnO2 nanosheets in Figure 3A (a–f: 0, 31.3, 62.5, 125, 250, 500 μg/mL). ** p < 0.01.