Scheme 1From: Multi-mode biodegradable tumour-microenvironment sensitive nanoparticles for targeted breast cancer imaginga Schematic diagrams of the function in Fe3O4/Na2CO3 @PLGA/Cy5.5/cRGD NPs via targeted accumulation into the tumor and generating CO2 bubbles in acid tumor tissues, followed by triple-modal MR/US/FI imaging of breast cancer. b Schematic illustration of the preparation of the Fe3O4/ Na2CO3 @PLGA/Cy5.5/cRGD NPs.Back to article page