微纳米磁性材料在肿瘤磁感应热疗中的应用  

Application of Micro-nanometer Magnetic Materials in Magnetic Inductive Oncotherapy

作　　者：张晓冬[1] 王晓文[1] 高福平[1] 赵凌云[1] 唐劲天[1] 

机构地区：[1]清华大学粒子技术与辐射成像教育部重点实验室,北京100084

出　　处：《磁性材料及器件》2009年第4期1-5,22,共6页Journal of Magnetic Materials and Devices

基　　金：国家自然科学基金资助项目(10775085;30571799);北京市科委重大项目(Z07000200540704);清华大学裕元基金项目

摘　　要：磁感应加热肿瘤治疗与超声、微波、容性射频等其它热疗手段相比具有靶向性强、可自动控温、生物相容性好等优点。它是利用铁磁性物质在交变磁场中升温的物理特性,将磁性物质作为热介质引入肿瘤组织,将肿瘤组织加热到治疗温度。本文主要阐述了微纳米级磁性材料在交变磁场下的产热原理和应用特点,简要介绍了微纳米磁性材料在磁感应治疗技术中的研究现状,并提出尚需解决的问题和发展方向。Magnetic inductive oncotherapy provides strong targeting, self-regulating, and good biocompatibility compared with ultrasound hyperthermia, microwave heating, radiofrequency capacitive heating method, etc.. In this method, ferromagnetic material was implanted into the tumor tissue. When applied alternating magnetic field, ferromagnetic materials produce heat, and kill the tumor tissue without damaging normal tissue. In this paper, the heating mechanism and characteristic of micrometer and nanometer ferromagnetic materials were discussed. The researching status of ferromagnetic materials used in magnetic inductive therapy was described, and the problems and prospect along the direction were proposed.

关 键 词：微纳米磁性材料 感应热疗 肿瘤 

分 类 号：TB383[一般工业技术—材料科学与工程] R456.1[医药卫生—治疗学]