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. 2020 Jun 5;10(16):7273–7286. doi: 10.7150/thno.44668

Figure 4.

Figure 4

(A) CLSM images of the HepG-2 cancer cells after treatment with PDA@hm@ICG@GOx nanoparticles for 0.5 h, 2 h and 4 h. Cells were stained with Hoechst 33342 and LysoTracker Green, respectively (Scale bar: 50 μm). (B) Relative viabilities of HepG-2 cells after incubation with PDA or PDA@hm nanoparticles for 24 h or 48 h, respectively. (C) Apoptosis rates of HepG-2 cells treated with different formulations determined by flow cytometric analysis. (D) Relative apoptosis rates after different formulations treatments. ***p < 0.001.