Figure 2. Kinetics of the phosphorylation of ERKs upon mobile phone irradiation.

(A) Serum-starved Rat1 cells were irradiated with a frequency generator at 875 MHz with intensities of 0.005, 0.03, 0.110 and 0.310 mW/cm² for the indicated times. The phosphorylation of ERKs was analysed as described in the legend to Figure 1, and shown for 0.005, 0.030 and 0.110 mW/cm². The results were quantified by densitometry, and the means±S.E.M. of three experiments are shown in the right-hand panel. (B) Serum-starved HeLa cells were irradiated with at 875 MHz at intensities of 0.005, 0.03, 0.11 and 0.310 mW/cm². The phosphorylation of ERKs was followed as described in (A). (C) Serum-starved Rat1 cells were irradiated at 800, 875 and 950 MHz with an intensity of 0.070 mW/cm² for the indicated times. The phosphorylation of ERKs was followed as described in (A).