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引用次数: 2

摘要

微波技术在生物医学上的应用,无论是通过成像还是光谱,都是很有前途的,目的是治疗或诊断癌症。它们的使用依赖于对组织介电特性的了解,特别是对恶性组织和正常组织之间可检测到的差异的了解。由于大多数研究都是研究离体组织的介电特性,因此有必要更好地了解人体组织在其生活状态下的生物物理学。本文研究了纯葡萄糖的介电性质,研究了葡萄糖在生物组织中像幽灵一样的溶液中的介电性质,并将重点放在微波对癌细胞的研究上。简单和众所周知的理论公式用于明确地确定复介电常数。给出了这些研究的实验结果,并对其进行了评价。
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Malignant tissue phantom dielectric properties investigation at microwave frequencies
Microwave techniques for biomedical applications aimed at cancer treatment or diagnosis, either by imaging or spectroscopy, are promising. Their use relies on knowledge of the dielectric properties of tissues, especially on a detectable difference between malignant and normal tissues. As most studies investigated the dielectric properties of ex vivo tissues, there is a need for better biophysical understanding of human tissues in their living state [1]. The paper deals with investigation of dielectric qualities of pure glucose, glucose in solutions like phantoms of biological tissues directing the attention at its manifestation at carcinoma cells investigation by means of microwaves. Simple and well-known theoretical formulas are used for unambiguous determination of complex permittivity. Experimental results from these investigations are given and their evaluation is presented.
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