Fig. 4From: Biomimetic oxygen delivery nanoparticles for enhancing photodynamic therapy in triple-negative breast cancerFluorescence imaging. a In vivo fluorescence images of TNBC xenografts after the injection of the CCm–HSA–ICG–PFTBA, HSA–ICG–PFTBA, HSA–ICG, and saline at different time points. Red circles indicated the tumor site. b Ex vivo fluorescence images of major organs and tumors at 48 h post-injectionBack to article page