Fig. 1From: Noninvasive targeting delivery and in vivo magnetic resonance tracking method for live apoptotic cells in cerebral ischemia with functional Fe2O3 magnetic nanoparticlesA schematic illustration of the proposed formation mechanism of the core Fe2O3 MNP at SiO2 shell with −NH2 group-fictionalization to form FMNP and conjugation to SR-FLIVO to form SR-FLIVO-FMNP probe that is selectively interacting with activated caspasesBack to article page