Fig. 9From: Hierarchical drug release designed Au @PDA-PEG-MTX NPs for targeted delivery to breast cancer with combined photothermal-chemotherapyReal-time fluorescence imaging in vivo. In vivo bioluminescence imaging of the mice was examined at 0, 2, 4, 6, 12, 24 and 48Â h after injection of Au @PDA/Cy7-PEG-MTX NPs into the body through the tail veinBack to article page