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. 2023 Jun 29;28(13):5095. doi: 10.3390/molecules28135095

Figure 9.

Figure 9

Antimicrobial activity of sPS staple fibers: (●) γ form; (●) CC δ form; (●) CC disordered δ form against E. coli (A) and S. aureus (B). SA (●) (2 mg/mL) was used as a positive control. Untreated bacteria (Ctrl, ●) and amorphous sPS staple fibers (○) were used as negative controls. The test was conducted through the exposure of sPS staple fibers in LB at 37 °C for 24 h measuring the bacterial density spectrophotometrically at 0, 4, 8, 16, 24 h. Data were compared using an analysis of variance test, and multiple comparisons were made with the Bonferroni’s test (* p < 0.05; ** p < 0.01; *** p < 0.001 vs. Ctrl).