β-Cyclodextrin conjugated magnetic, fluorescent silica core-shell nanoparticles for biomedical applications

► Synthesis of β-CD conjugated magnetic, fluorescent silica core-shell nanoparticles. ► Multiple functionalities: magnetism, fluorescence, cell-targeting and drug delivery. ► β-CD moiety grafted on particle surface can act as a water-insoluble drug carrier. ► Applications in simultaneous bioimaging, cell-targeting and hydrophobic drug delivery. ► These NPs has shown potentials as a theranostic candidate in biomedical fields.