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. 2020 May 13;12(5):1116. doi: 10.3390/polym12051116

Figure 3.

Figure 3

(a) Cell viability of CCRF-CEM cells after incubation with various concentrations of GO-PEG-NH2 for 24 h. (b) Biocidal activity toward E. coli and S. aureus. Relative survival of bacteria after different concentrations of GO-PEG-NH2 photothermal antibacterial experiments under 808 nm laser (1.5 W/cm2) for 5 min. (c) Relative survival rate of bacteria under four conditions when the concentration of GO-PEG-NH2 was 50 μg/mL. Additionally, the effects of 808 nm laser and GO-PEG-NH2 were determined.