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. 2020 Jul 4;53(4):61–72. doi: 10.1267/ahc.20-00002

Fig. 1.

Fig. 1.

Effect of Ptpp-PDT on cell viability. (A) Molecular structure of Ptpp. (B) Various cells were incubated with different concentrations of Ptpp (0–100 nM) for 24 hr, and then irradiated with LED for 30 min. After incubation for 24 hr, cell viability was analyzed by MTT assay. (C) NOZ cells were treated with different concentrations of Ptpp (0–100 nM) for 24 hr, and then irradiated with LED for 30 min. Cell viability was analyzed by MTT assay at different time points (0–24 hr) after Ptpp-PDT. *P < 0.05, **P < 0.01, ***P < 0.001 vs. 0 nM Ptpp. Data are shown as the mean ± standard deviation (SD) of three independent experiments.