Nano-magnetic particles used in biomedicine: Core and coating materials

► Magnetic nanoparticles are very important for medical applications. ► Ceramic cores have advantages such as ease of synthesis and chemical stability. ► They must be coated by a suitable biocompatible material. ► Different coatings like organic materials, inorganic metals or metal oxides are used. ► Important factors are low toxicity, functionality and high remanence time.