Fig. 5. Evaluation of intracellular reactive oxygen species generation. (A) Representative micrographs of Staphylococcus epidermidis cells stained with CellROX green after a 5 min incubation with GOQD, rGOQD, water (− control), and 1% H2O2 (+ control). (B) Bar charts summarizing average fluorescence intensity of cells after exposure. Statistical significance is evaluated by two-tailed t-tests where p > 0.05 is defined as not significant (n.s.), *p < 0.05, **p < 0.01, and ***p < 0.001.
