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

Biomedical Optics Express
Mariia BorovkovaIgor Meglinski

Abstract

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.

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Citations

Jul 25, 2019·Scientific Reports·Takayasu KawasakiAkinori Irizawa
Jul 8, 2020·Scientific Reports·Wanvisa TalataisongGilberto Brambilla
Sep 3, 2020·The Review of Scientific Instruments·S SchewaM Roessle
Feb 12, 2021·Sensors·Hochong Park, Joo-Hiuk Son
Mar 10, 2021·Advanced Materials·Qinxi Qiu, Zhiming Huang
Jul 20, 2021·Critical Reviews in Food Science and Nutrition·Yuqiao RenDa-Wen Sun
Nov 14, 2020·Optics Express·Yannick AbautretClaude Amra

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