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Terahertz pulsed spectroscopy of paraffin-embedded brain glioma.

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机构: [1]China Academy of Engineering Physics, Institute of Fluid Physics, Interdisciplinary Laboratory of Physics and Biomedicine, No. 64, Mianshan Road, Mianyang, Sichuan 621900, China [2]China Academy of Engineering Physics, Terahertz Research Center, Mianyang, Sichuan 621900, China [3]Third Military Medical University, Southwest Hospital, Department of Neurosurgery, No. 30, Gaotanyan Street, Shapingba, Chongqing 400038, China
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关键词: spectroscopy terahertz tissue diagnostics

摘要:
The refractive indices, absorption coefficients, and complex dielectric constants of paraffin-embedded brain glioma and normal brain tissues have been measured by a terahertz time-domain spectroscopy (THz-TDS) system in the 0.2- to 2.0-THz range. The spectral differences between gliomas and normal brain tissues were obtained. Compared with normal brain tissue, our results indicate that paraffin-embedded brain gliomas have a higher refractive index, absorption coefficient, and dielectric constant. Based on these results, the best THz frequencies for different methods of paraffin-embedded brain glioma imaging, such as intensity imaging, coherent imaging with continuum THz sources, and THz pulsed imaging with short-pulsed THz sources, are analyzed.

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出版当年[2014]版:
大类 | 3 区 医学
小类 | 2 区 光学 3 区 生化研究方法 3 区 核医学
最新[2023]版:
大类 | 3 区 医学
小类 | 2 区 生化研究方法 3 区 光学 3 区 核医学
第一作者:
第一作者机构: [1]China Academy of Engineering Physics, Institute of Fluid Physics, Interdisciplinary Laboratory of Physics and Biomedicine, No. 64, Mianshan Road, Mianyang, Sichuan 621900, China [2]China Academy of Engineering Physics, Terahertz Research Center, Mianyang, Sichuan 621900, China
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通讯作者:
通讯机构: [1]China Academy of Engineering Physics, Institute of Fluid Physics, Interdisciplinary Laboratory of Physics and Biomedicine, No. 64, Mianshan Road, Mianyang, Sichuan 621900, China [2]China Academy of Engineering Physics, Terahertz Research Center, Mianyang, Sichuan 621900, China
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