Fig. 3
Survival of A172 glioblastoma cells irradiated by (a) 190.6 MeV proton beams in their Bragg peak position, (b) in plateau region, (c) by 6 MV or (d) 18 MV photons, in the absence (black) or presence of natBSH (red) or 10BSH (green) at a concentration corresponding to 40 ppm natB or 10B, respectively. Symbols depict mean survival values from 3 independent experiments, error bars show standard errors of the mean, and lines are linear-quadratic fits to the data. None of the differences between survival curves without and with boron was found statistically significant (all p > 0.05).
