Scheme 1.
Schematic illustration of B.bifidum-mediated PFH@CL-Fe3O4 targeted NPs for HIFU ablation and US/MR imaging.
Abbreviations: PFH, perfluorocarbon; Fe3O4, superparamagnetic iron oxide; PFH@CL-Fe3O4 NPs, PFH and Fe3O4 coloaded cationic lipid nanoparticles; B.Bifidum, Bifidobacterium bifidum strain ATCC29521; HIFU, High intensity focused ultrasound.