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A Cell viability of the RAW 264.7 cell line incubated with the unloaded NPs or DXP-NPs at different concentrations. B Hemolysis induced by unloaded and DXP-NPs at a polymer concentration of 400 µg/mL, and approximately 30 µg/mL of DXP for the loaded NPs. TritonX-100 (TRX-100) was used as a positive control. C Internalization of the DXP-NPs at 100 µg/mL in the mouse macrophage cell line RAW 264.7 at different time points presented as mean fluorescence increase compared to untreated cells
