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The uptake of free curcumin and curcumin loaded CS-BSA NPs in RAW 264.7 cells (M1) for 6 h. Curcumin showed green fluorescent color and indicated the intracellular location of free curcumin and curcumin loaded CS-BSA NPs. The nucleus was stained with Hoechst (blue) for 15 min at 37 °C. The scale bar is 50 μm and applies to all figure parts
