Magnetic nanoparticles (MNPs), including those of transition metals, such as iron oxide nanoparticles, cobalt oxide
nanoparticles, and ferrite nanoparticles with diameters between 3 nm and 34 nm have been developed by a wet chemical
method. These MNPs were modified with the functional groups, and introduced into cancer cells. SiO2-shelled ferrite
nanoparticles have been discussed for the use in hyperthermia treatments on the basis of measurements of their AC
magnetic susceptibilities.
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