Fig. 1From: Cavitation assisted endoplasmic reticulum targeted sonodynamic droplets to enhanced anti-PD-L1 immunotherapy in pancreatic cancerCharacterization of PMPS NDs. A The size of nanodroplet by DLS and TEM (Scale bar: 500 nm). BThe zeta potential of three NDs. C Digital picture of NDs in different temperature, D the infrared spectrum (D) and US-vis spectrum (E) of PMPS. F the contrast and B mode image by different acoustic parametersBack to article page