Figure 1
Architecture, morphology, size and zeta potential of the engineered MNPs. A) PEGylated FA-armed MTX-conjugated MNPs (not drawn to scale). B) TEM micrograph of PEGylated FA-MTX-MNPs. C) SEM micrograph of PEGylated FA-MTX-MNPs. D) DLS image of bare MNPs. E) DLS image of Fe3O4-DPA-PEG NPs. F) DLS image of Fe3O4-DPA-PEG-FA NPs. G) DLS image of PEGylated FA-MTX-MNPs. FA: folic acid. MTX: mitoxantrone. MNPs: magnetic nanoparticles. TEM: transmission electron microscopy. SEM: scanning electron microscopy. DLS: dynamic light scattering.