Fig. 4From: Hypoxia modulation by dual-drug nanoparticles for enhanced synergistic sonodynamic and starvation therapyCellular uptake behaviors of MG@P NPs. a CLSM images of 4T1 cells after incubation with DiI-stained MG@P NPs for elevated time (3 h, 6 h and 12 h). The scale bar is 50 μm. b Flow cytometry analysis of intracellular uptake of DiI-stained MG@P NPsBack to article page