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. 2018 Jan 2;115(3):501–506. doi: 10.1073/pnas.1714421115

Fig. 4.

Fig. 4.

In vitro cell viability experiment. (A) Photograph of MDA-MB-231 cell culture dish with BP@Hydrogel loaded with DOX. (B) Fluorescent images of acridine orange (green, live cells) and propidium iodide (red, dead cells) costained MDA-MB-231 cells after addition of BP@Hydrogel and exposure to laser irradiation for 0 min, 5 min, 10 min, and 20 min. (Scale bars: 100 μm.) (C) Relative cell viabilities of MDA-MB-231 cells treated with different laser irradiation times. (D) Relative cell viabilities of MDA-MB-231, A549, HeLa, and B16 cells with different BP concentrations (10 μg/mL, 50 μg/mL, 100 μg/mL, and 200 μg/mL). (E) Representative annexin V-FITC/PI scatter plots of 1 × 104 MDA-MB-231 cells after 24 h of treatment.