In vivo heating of magnetic nanoparticles in alternating magnetic field

被引：62
|
作者：
Babincová, M [1 ]
Altanerová, V
Altaner, C
Cicmanec, P
Babinec, P
机构：
[1] Comenius Univ, Dept Biophys & Chem Phys, Bratislava, Slovakia
[2] Slovak Acad Sci, Canc Res Inst, Bratislava, Slovakia
[3] Catholic Univ, Fac Educ, Ruzomberok, Slovakia
[4] Comenius Univ, Dept Biophys & Chem Phys, Bratislava, Slovakia
来源：
MEDICAL PHYSICS | 2004年 / 31卷 / 08期
关键词：
magnetic nanoparticles; alternating magnetic field; hyperthermia; cancer therapy;
D O I：
10.1118/1.1767101
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
We have evaluated heating capabilities of new magnetic nanoparticles. In in vitro experiments they were exposed to an alternating magnetic field with frequency 3.5 MHz and induction 1.5 mT produced in three turn pancake coil. In in vivo experiments rats with injected magnetic nanoparticles were also exposed to an ac field. An optimal increase of temperature of the tumor to 44 degreesC was achieved after 10 minutes of exposure. Obtained results showed that magnetic nanoparticles may be easily heated in vitro as well as in vivo, and may be therefore useful for hyperthermic therapy of cancer. (C) 2004 American Association of Physicists in Medicine.
引用
收藏
页码：2219 / 2221
页数：3
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