生物组织介电特性测量研究进展

doi:10.3969/j.issn.1674-1633.2016.05.002

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摘要随着临床医学与电磁学研究的深入，生物组织介电特性被越来越多的学者所关注。一方面，生物组织介电特性是生物组织在电磁场作用下的固有属性，将决定电磁场在生物组织内的分布，且能够通过电磁技术手段进行测量。另一方面，当组织的生理或者病理状态发生改变时，其介电特性也将发生变化。大量基础研究早已证实组织癌变后其介电特性往往变化较大，甚至达到几倍，这一特点使生物组织介电特性在肿瘤早期发现等方面具有巨大的临床应用潜力。本文阐述了生物组织介电特性测量技术的发展，并在此基础上，介绍近几年来生物组织介电特性医学方面相关应用的研究。

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	曾海萍¹
	韩继钧²
	辛学刚²

关键词 ：生物组织介电特性, 细胞悬浮液, 开端同轴探头, 磁共振介电特性断层成像

Abstract：Recently the researches on electrical properties (EPs) of biological tissues has gained more attention with the development of new techniques in the medical and electromagnetic fields. The EPs of biological tissues are the inherent physical properties when exposed in the non-ionized electromagnetic fields. The EPs can be directly measured and will decide the distribution of the electromagnetic fields inside the biological tissues. On the other hand, the EPs vary with different pathological conditions of tissues. Lots of research has demonstrated that the EPs usually alter much even to several folds when compared them between benign and malignant tissues, indicating that EPs own great potential applications for the early detection of tumors at clinic. In this review, the progresses of biological EPs measurement technology were introduced, including several recent applications in medical research.

Key words： electrical properties of biological tissues cell suspension open ended coaxial probe magnetic resonance electrical properties tomography

收稿日期: 2016-02-01

R318

基金资助:国家自然科学基金（61172034，61528102）；广东省自然科学基金（2015A030313234）；广东省省级科技计划项目（2015B020214006）；广州市科技计划项目（2014J4100160）部分资助；上海科技计划项目（15441907500）。

通讯作者: 辛学刚 E-mail: xxg@smu.edu.cn

作者简介:

引用本文:

曾海萍¹，韩继钧²，辛学刚². 生物组织介电特性测量研究进展[J]. 中国医疗设备, 2016, 31(5): 5-11.
ZENG Hai-ping¹, HAN Ji-jun²,XIN Xue-gang². Measurement of Dielectric Properties of Biological Tissues: A Review. China Medical Devices, 2016, 31(5): 5-11.

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http://cs.china-cmd.org/zgylsb/CN/10.3969/j.issn.1674-1633.2016.05.002 或 http://cs.china-cmd.org/zgylsb/CN/Y2016/V31/I5/5

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