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. 2017 Jul 20;7:6085. doi: 10.1038/s41598-017-05620-6

Figure 1.

Figure 1

Plasma-activated medium (PAM) inhibits the viability of ovarian cancer cells, depending on the cell type, cell number and PAM dilution ratio. (A) The generation system of PAM and the experimental workflow. (B) H2O2 concentrations in each diluted PAM were measured using Amplex red reagent. (C) The sensitivities of ES2 and SKOV3 cells to PAM were analysed according to the LD50 value. (D) Cell viability using the MTS assay at different cell numbers and the corresponding PAM dilution ratio. (E) Morphological changes in ES2 cells after PAM treatment at each dilution ratio. A safe range of PAM with weak cell toxicity is confirmed. (F) After treatment with PAM at the safe range of the dilution ratio for 24 h, ES2 cells were collected for analysis of cell apoptosis markers using western blotting. GAPDH is used as an internal reference. The original full-length blots are presented in Supplementary Figure 3. Data from the MTS assay and H2O2 mesurement are presented as mean ± SD. Three replicates were performed.