期刊
INTERNATIONAL JOURNAL OF HYPERTHERMIA
卷 25, 期 7, 页码 512-516出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/02656730903183445
关键词
thermotherapy; magnetic fluid hyperthermia; nanoparticles; nanotechnology
In order to increase the specific power absorption (SAR) in deep seated tumors, the idea was born to use AC magnetic fields in combination with magnetic particles instead of conventional E-field dominant systems. It was found, that nanoscaled particles were superior to micron-sized, multi-domain particles in terms of SAR due to different mechanisms how the field energy is converted into heat. Crucial parameters were identified for the human application of the method, such as the AC magnetic field amplitude and frequency, the nanoparticle composition and size distribution. Based on these physical and chemical relationships, a new thermotherapy method has been developed to heat up deep regional tumors using aqueous dispersions of iron oxide nanoparticles (magnetic fluids). Several clinical studies were initiated using this new heating technology. The results of the most advanced efficacy study for recurrent glioblastoma multiforme patients in combination with conventional radiation therapy are expected at the end of this year, 16 years after publication of this fundamental paper.
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