Fabrication of magnetic materials via a facile and environmentally favorable process with high self-heating performance is quite favored for biomedical applications. To tackle this challenge, magnetic ferrite nanoparticles were developed through an ultrasonic-assisted coprecipitation process. Magnetite (Fe3O4), magnetite doped with cobalt nanoparticles (Co0.4Fe2.6O4), and magnetite doped with cobalt/zinc nanoparticles (Zn0.15Co0.25Fe2.6O4) were synthesized using ultrasonic-assisted coprecipitation techniques. Specific loss power (SLP) was estimated to optimize the heating influence under varied magnetic fields, coating agents, and dispersing solvents. Magnetite doped with cobalt/zinc nanoparticles demonstrated elevated SLP 110 W/g with preferable hyperthermic performance, where AMF conditions did not surpass the safety border for human exposure. The self-heating performance of magnetite doped with cobalt/zinc nanoparticles increased with increasing strength at a constant frequency. The self-heating performance of magnetite nanoparticles increased with increasing frequency at constant strength. Hence, the prepared magnetite doped with cobalt/zinc nanoparticles by the ultrasonic-assisted coprecipitation process can be appropriate for biomedical applications.
Al-Harthy et al. (Mon,) studied this question.
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