Fig. 5From: Low-Intensity Focused Ultrasound-Augmented Multifunctional Nanoparticles for Integrating Ultrasound Imaging and Synergistic Therapy of Metastatic Breast Cancera Relative cell viability with or without LIFU irradiation under different CPDP NPs concentrations. b 4T1 tumor cell apoptosis and necrosis by flow cytometry assay and c the data of corresponding necrosis and apoptosis rate analysis (****p < 0.0001, ***p < 0.001, n = 3)Back to article page