The nanoparticles have several potential biomedical application like they facilitate laboratory diagnostics or in the medical drug targeting along with as a contrast agent for magnetic resonance imaging (MRI) for tumor therapy or in the case of cardiovascular disease. The emerging advance in the nanoparticles for such application is the superparamagnetic nanoparticles consist of a core of iron oxides (SPION) which get targeted via external magnets. These nanopartilces usually coated with some of biocompatible materials and functionalized with drugs, proteins or plasmids.
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