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Research on terahertz properties of rat brain tissue sections during dehydration
Author(s): Gangqiang Cui; Jianfeng Liang; Hongwei Zhao; Xianghui Zhao; Chao Chang
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Paper Abstract

Biological tissue sections are always kept in a system purged with dry nitrogen for the measurement of terahertz spectrum. However, the injected nitrogen will cause dehydration of tissue sections, which will affect the accuracy of spectrum measurement. In this paper, terahertz time-domain spectrometer is used to measure the terahertz spectra of rat brain tissue sections during dehydration. The changes of terahertz properties, including terahertz transmittance, refractive index and extinction coefficient during dehydration are also analyzed. The amplitudes of terahertz time-domain spectra increase gradually during the dehydration process. Besides, the terahertz properties show obvious changes during the dehydration process. All the results indicate that the injected dry nitrogen has a significant effect on the terahertz spectra and properties of tissue sections. This study contributes to further research and application of terahertz technology in biomedical field.

Paper Details

Date Published: 12 January 2018
PDF: 7 pages
Proc. SPIE 10623, 2017 International Conference on Optical Instruments and Technology: IRMMW-THz Technologies and Applications, 106230A (12 January 2018); doi: 10.1117/12.2286812
Show Author Affiliations
Gangqiang Cui, Northwest Institute of Nuclear Technology (China)
Jianfeng Liang, Northwest Institute of Nuclear Technology (China)
Hongwei Zhao, Shanghai Institute of Applied Physics (China)
Xianghui Zhao, Fourth Military Medical Univ. (China)
Chao Chang, Northwest Institute of Nuclear Technology (China)
Xi'an Jiaotong Univ. (China)


Published in SPIE Proceedings Vol. 10623:
2017 International Conference on Optical Instruments and Technology: IRMMW-THz Technologies and Applications
Cunlin Zhang; Xi-Cheng Zhang; Zhiming Huang; Liquan Dong, Editor(s)

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