Fig. 3From: Purification and biofabrication of 5-aminolevulinic acid for photodynamic therapy against pathogens and cancer cellsCell viability with purified 5-ALA treatment among different incubated time. Killing rate of (a) 0.5% and (b) 1% 5-ALA treatment to A549 human lung cancer cells. Killing rate of (c) 0.5% and (d) 1% 5-ALA treatment to A375 melanoma skin cancer cellsBack to article page