表征(材料科学)
度量(数据仓库)
生物材料
宽带
计算机科学
电介质
生物组织
体内
材料科学
生物系统
医学物理学
医学
电子工程
生物医学工程
工程类
纳米技术
数据挖掘
物理
光电子学
生物
生物技术
作者
Flavia Liporace,Marta Cavagnaro
标识
DOI:10.1142/s0219519423400316
摘要
Nowadays, many medical techniques are based on the application of electromagnetic fields (EMF) on human body. For the optimization of these techniques, it is necessary to understand the mechanisms of interaction between the biological system under exposure and the applied EMF. Since this interaction is described by the dielectric properties of the biological system, an accurate dielectric characterization of human body is necessary. Biological tissues are complex and heterogeneous, and their dielectric properties can vary significantly from the ex-vivo to the in vivo condition. For this reason, there is the need to measure these properties for a specific subject. Unfortunately, traditional techniques used to measure dielectric properties of tissues are not able to reach this aim and an alternative method must be devised. In this work, a model is proposed for the reconstruction of dielectric properties of biological tissues from MR acquisitions. This model is wideband, specific, applicable in vivo and useful for those medical techniques that need a precise dielectric characterization of the patients.
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