Synthesis and characterization of polymer encapsulated Cu-Ni magnetic nanoparticles for hyperthermia applications

Copper nickel alloy nanoparticles were synthesized by polyol reduction method and by physical melting process. The particles were further coated with a biodegradable polymer, polyethylene glycol. The particles have a curie temperature in the range of 43-46 degrees C and are designed to be used for hyperthermia applications. Morphology of these encapsulated particles was determined by electron microscopy. The curie temperature for alloy particles and encapsulated particles was also measured. (c) 2005 Elsevier B.V. All rights reserved.