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Fig. 4 | Journal of Nanobiotechnology

Fig. 4

From: A novel macrophage-mediated biomimetic delivery system with NIR-triggered release for prostate cancer therapy

Fig. 4

a Effects of drug concentration and incubation time on drug loading of macrophages. Data are expressed as mean ± SD (n = 3). b Cytotoxicity of DOX and DOX/PEG-BPEI-rGO towards RAW264.7 cells for 12 h. Data are expressed as mean ± SD (n = 3). **p < 0.01, ***p < 0.001. c Flow cytometry profiles of DOX fluorescence from DOX/PEG-BPEI-rGO and free DOX in RAW264.7 cells under different NIR irradiation conditions

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