Abstract

The use of non-invasive alternating magnetic field (AMF) on biocompatible, small sized iron oxide nanoparticles can be used for heat generation in magnetic hyperthermia or for contrast enhancement of biological tissue. However, the behavior of magnetic nanoparticle in the presence of magnetic field is restricted by their size, shape, surface defects, and coatings. Hence, it becomes imperative to closely monitor the magnetic properties of the nanoparticles as current novel formulations of nanoparticles being developed for tissue targeting involves conjugating a magnetic nanoparticle with a site specific ligand or a peptide. Thus, in this review article we have reviewed the effect of size, shape, doping, and surface coating on the magnetic properties of the nanoparticle. Finally we have concluded with the clinical status of magnetic nanoparticle in the field of magnetic fluid hyperthermia.

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