期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 321, 期 10, 页码 1525-1528出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2009.02.079
关键词
Hyperthermia; Cancer treatment; Tumor cell; Magnetic fluid; Nanoparticles; Core-shell; Specific absorption rate; Physical vapor deposition; High-moment; Au shell
A great deal of attention has been paid to the use of magnetite nanoparticles as heating elements in the research of magnetic fluid hyperthermia. However, these particles have a relatively low magnetization and as a result, have low heating efficiency as well as difficulties in detection applications. To maximize heating efficiency we propose and show the use of high-moment Fe(Co)-Au core-shell nanoparticles. Using a physical vapor nanoparticle-deposition technique the high-moment nanoparticles were synthesized. The water-soluble particles were placed in an AC magnetic field of variable magnetic field frequencies. The temperature rise was measured and compared to theory. (c) 2009 Published by Elsevier B.V.
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