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. 2020 May 4;10:7491. doi: 10.1038/s41598-020-64545-9

Figure 4.

Figure 4

Effect of glycolic acid treatment on bacterial cell membrane integrity. The concentration of extracellular ATP released from C. acnes cells was measured by bioluminescence assay. The C. acnes cell concentration was 2 × 108 CFU mL−1. Mean ± standard deviation values are reported from n = 3 experiments.