Figure 1From: 5-Aminolevulinic acid enhances cancer radiotherapy in a mouse tumor model Kinetics of total porphyrin levels in B16-BL6 mouse melanoma cells in vitro . A, Cells were incubated with 10 μg/mL ALA. B, Cells were incubated with different concentrations of ALA for 24 h. Data are given as mean ± SD (n = 4).Back to article page