Comparison of some magnetic multicomponent nanoparticles for biomedical applications

Abstract

Magnetic nanoparticles (NPs) are increasingly important in many biomedical applications, such as drug delivery, hyperthermia, and magnetic resonance imaging (MRI) contrast enhancement. To build the most effective magnetic nanoparticle systems for various biomedical applications, characteristics of particle, including size, surface chemistry, magnetic properties, and toxicity have to be fully investigated. In this work, comparison of some magnetic multicomponent nanoparticles for bio-medical applications is discussed. In this investigation, multi-component ferrite nanoparticles were prepared by the hydrothermal synthesis, sol-gel, and solid state methods. In addition, x-ray powder diffractometry (XRD), scanning electron microscopy (SEM), and Quantum Design Physical Properties System (PPMS) were used to characterize the structural, morphological and magnetic properties of the nanoparticles. The size and crystal structure of the nanoparticles were characterized by using XRD results. The magnetic properties of the samples were performed for each sample at ± 1.5 T by PPMS.