Fig. 6. Phototoxicity of GOQDs and rGOQDs towards Staphylococcus epidermidis. (A) Change in viability after irradiation of cell suspensions in GOQD, and rGOQD solutions for 3 min by 400 nm LED. (B) Photographs of LB agar plates after incubation with cell suspensions after irradiation. Statistical significance was evaluated by two-tailed t-tests where *p < 0.05.
