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VGU RESEARCH REPOSITORY


Please use this identifier to cite or link to this item: https://epub.vgu.edu.vn/handle/dlibvgu/79
Title: Non-invasive blood glucose monitoring using a curved goubau line
Authors: Louis WY Liu 
Abhishek Kandwal
Quingsha Cheng 
HongJian Shi 
Igbe Tobore and Zedong Nie 
Keywords: Goubau line;Non-invasive blood glucose measurement;Acu-check;Lancet;Leaky waves;Surface waves
Issue Date: 2019
Publisher: MDPI
Series/Report no.: Electronics;Vol. 8(6)
Abstract: 
Non-invasive blood glucose monitoring at microwave frequencies is generally thought to be unreliable in terms of reproducibility of measurements. The failure to reproduce a blood glucose measurement from one experiment to another is in major part due to the unwanted interaction of leaky waves between the ambient environment and the blood glucose measuring device. In this work, we have overcome this problem by simply eliminating the leaky modes through the use of surface electromagnetic waves from a curved Goubau line. In the proposed methodology, a fixed volume of blood-filled skin tissue was first formed by vacuum suction and partially wound with a curved Goubau line which was coated with a 3 mm thick layer of gelatin/glycerin composite. Blood glucose levels were non-invasively determined using a network analyzer. At 4.5 GHz, a near-linear correlation exists between the measured S12 parameters and the blood glucose levels. The measured correlation was highly reproducible and consistent with the measurements obtained using the conventional invasive lancing approach. The findings of this work suggest the feasibility of non-invasive detection of left and right imbalances in the body.
662-670
Index & Ranking: SCIE Q1
URI(1): http://epub.vgu.edu.vn/handle/dlibvgu/79
DOI: 10.3390/electronics8060662
Appears in Collections:ARTICLE/BOOK PUBLICATION

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