Yu Dongyan, Cui Xiangping, Ma Qing
Department of Physiology, Medical School of Ningbo University, Ningbo 315211, China.
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi. 2006 Dec;23(6):1198-201.
The dielectric spectroscopy of human blood cells was measured within the frequency range of 0.01-100 MHz, and the dielectric numerical characters were determined as response to AC electric field. we measured the AC impedance of normal human blood cells with the impedance technique in the frequency domain, then the experimental data were drawn a relationship curve between the frequency of electric field and conductivity. The dielectric spectrum and the Cole-Cole plots of human blood cells were established. The characteristics of dielectric response of human blood cells were also established. The permittivity and the conductivity of human blood cells were frequency dependent, and dielectric dispersion of human blood cells had two characteristic frequencies: i.e. fc1, is 1.42 MHz, and fc2 is 3. 32 MHz.
在0.01 - 100 MHz频率范围内测量了人体血细胞的介电谱,并确定了介电数值特征作为对交流电场的响应。我们用阻抗技术在频域中测量了正常人血细胞的交流阻抗,然后绘制了电场频率与电导率之间的关系曲线。建立了人体血细胞的介电谱和Cole - Cole图。还确定了人体血细胞介电响应的特征。人体血细胞的介电常数和电导率与频率有关,人体血细胞的介电色散有两个特征频率:即fc1为1.42 MHz,fc2为3.32 MHz。