Journal of the Magnetics Society of Japan
Online ISSN : 1882-2932
Print ISSN : 1882-2924
ISSN-L : 1882-2924
Review: MSJ Awards 2022
Dynamic Magnetization Process of Magnetic Nanoparticles for Biomedical Applications
Y. TakemuraS. B. TrisnantoS. Ota
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2023 Volume 47 Issue 4 Pages 84-89


  Magnetic nanoparticles have been used in various biomedical applications. Among these, magnetic particle imaging and hyperthermia are considered clinically useful diagnostic and therapeutic methods, respectively. An alternating magnetic field is applied to the magnetic nanoparticles in these methods. The magnetization response of a magnetic nanoparticle is essential, and the dependence of its field intensity and frequency determines its diagnostic and therapeutic performance. This article reviews the fundamental issues of the magnetization process and magnetization relaxation of magnetic nanoparticles and presents our recent experimental results.

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