957913.fig.001
Figure 1: Dose-dependent inhibition of PDT on the proliferation of A549 cells. Comparisons among groups with 2.5, 5, 10, and 20 μg/mL four photosensitizer concentrations and 0.5, 1, 2, 4, 6, 8, and 10 J/cm2 six irradiation dosages .