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. 2020 Jul 7;15:4779–4791. doi: 10.2147/IJN.S256227

Figure 7.

Figure 7

Viability of A) MRSA and B) MSSA biofilm cells after exposure to vancomycin-loaded MSNs (0.25 mg mL-1), free vancomycin or water for 24 h as determined by MTT assay. Error bars represent standard error of the mean (n = 3). Letters (a, b, c, d) represent a significant difference in antibacterial activity between test conditions, p < 0.05.