期刊
JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES
卷 39, 期 4, 页码 399-408出版社
SPRINGER
DOI: 10.1007/s10762-017-0462-2
关键词
THz-TDS; Absorption coefficients; Human blood; Glucose level
资金
- Southeast University
- Nanjing Medical University [3207027381]
- China Postdoctoral Science Foundation [2016M601692]
We demonstrate the capability of terahertz (THz) time-domain spectroscopy (TDS) to quantify glucose level in ex vivo freshly diabetic's blood. By investigating the THz spectra of different human blood, we find out THz absorption coefficients reflect a high sensitivity to the glucose level in blood. With a quantitative analysis of 70 patients, we demonstrate that the THz absorption coefficients and the blood glucose levels perform a linear relationship. A comparative experiment between THz measurement and glucometers is also conducted with another 20 blood samples, and the results confirm that the relative error is as less as 15%. Our ex vivo human blood study indicates that THz technique has great potential application to diagnose blood glucose level in clinical practice.
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