Figure 5

Assessment of % survival within different human melanoma cell lines at different plasma doses of 10 sec, 60 sec, 180 sec and 300 sec using softjet plasma (air and N2 gas) at 24 h, 48 h, and 72 h incubation time-intervals. (a,b) G-361 human melanoma cells; (c,d) SK-MEL-31 human melanoma cells and (e,f) WM-266-4 human melanoma cells. Student’s t-tests were performed, and the levels of significance are indicated as follows: *p < 0.05; **p < 0.01; and ***p < 0.001.