Fig. 4From: Antimicrobial activities of graphene oxide against biofilm and intracellular Staphylococcus aureus isolated from bovine mastitisGO activity against biofilms of S. aureus a) F03B b) F41B, and c) F53D. Error bars represent standard deviation of triplicates. *p ≤ 0.05; *** p ≤ 0.001; **** p ≤ 0.000; and NS, not significantBack to article page