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Terahertz time-domain spectroscopy for non-invasive assessment of water content in biological samples

机译:太赫兹时域光谱技术用于非侵入性评估生物样品中的水分

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摘要

We apply terahertz time-domain spectroscopy for the quantitative non-invasive assessment of the water content in biological samples, such as Carpinus caroliniana tree leaves and pork muscles. The developed experimental terahertz time-domain spectroscopy system operates both in transmission and reflection modes. The Landau-Looyenga-Lifshitz-based model is used for the calculation of the water concentration within the samples. The results of the water concentration measurements are compared with the results of the gravimetric measurements. The obtained results show that the water content in biological samples can be measured non-invasively, with a high accuracy, utilizing terahertz waves in transmission and reflection modes.
机译:我们将太赫兹时域光谱法用于定量定量分析生物样品中的含水量,例如Carpinus caroliniana树叶和猪肉肌肉。研发的实验性太赫兹时域光谱系统既可以透射模式也可以反射模式。基于Landau-Looyenga-Lifshitz的模型用于计算样品中的水浓度。将水浓度的测量结果与重量测量的结果进行比较。所获得的结果表明,利用太赫兹波以透射和反射方式,可以无创地高精度测量生物样品中的水分。

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