人体血液的弛豫特性。
Electrical properties with relaxation through human blood.
机构信息
Department of Physics, Faculty of Science, KAU, P.O. Box 80203, Jeddah 21589, Saudi Arabia.
出版信息
Biomicrofluidics. 2010 Jul 8;4(3):34101. doi: 10.1063/1.3458908.
Abstract
The present work aims to study the effects of the blood-microstructure on the electrical conduction from two different but correlated properties: Electrical and mechanical (viscosity), and to derive useful parameters for the evaluation of electrical conduction as a function of the blood viscosity. ac-conductivity and dielectric constant of normal and diabetic blood are measured in the frequency range 10 kHz-1 MHz at the room temperature. An empirical relation relating the resistivity and viscosity of the blood has been presented. The results show that a microfluidic device is a viable and simple solution for determination of electrical and rheological behaviors of blood samples.
摘要
本工作旨在研究血液微观结构对电传导的影响，从两个不同但相关的特性入手：电学和力学（粘度），并推导出有用的参数，用于评估血液粘度对电传导的影响。在室温下，测量了正常和糖尿病血液在 10 kHz-1 MHz 频率范围内的交流电导率和介电常数。提出了一种将血液电阻率和粘度相关联的经验关系。结果表明，微流控装置是一种可行且简单的方法，可用于确定血液样本的电学和流变学特性。
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