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. 2020 Apr 3;13(7):1676. doi: 10.3390/ma13071676

Figure 8.

Figure 8

Antimicrobial activity of MWCNTs and DWCNTs on microbial cells based on concentration and treatment time. Microbial viability assay was carried out after incubation of microbial cells (~107–108 CFU/mL) with desired concentration (A,B) and treatment time at 100 μg/mL (C,D) of MWCNTs and DWCNTs for 24 h in case of Staphylococcus aureus, Pseudomonas aeruginosa, and Klebsiella pneumoniae and 48 h for Candida albicans. The survival of cells was examined by a colony counting method and stated as a percentage with respect to microbial cells (untreated) incubated with DW. The control was microbial cells treated with distilled water.