The role of cobalt ferrite magnetic nanoparticles in medical science

The nanotechnology industry is rapidly growing and promises that the substantial changes that will have significant economic and scientific impacts be applicable to a wide range of areas, such as aerospace engineering, nano-electronics, environmental remediation and medical healthcare. In this area, cobalt ferrite nanoparticles have been regarded as one of the competitive candidates because of their suitable physical, chemical and magnetic properties like the high anisotropy constant, high coercivity and high Curie temperature, moderate saturation magnetization and ease of synthesis. This paper introduces the magnetic properties, synthesis methods and some medical applications, including the hyperthermia, magnetic resonance imaging (MRI), magnetic separation and drug delivery of cobalt ferrite nanoparticles.

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► Cobalt ferrite nanoparticles are one of the most important materials for nanomedicine.
► They have high coercivity and moderate saturation magnetization.
► Cobalt ferrite nanoparticles are synthesized easily.
► They are a good candidate for hyperthermia and magnetic resonance imaging.