Geodesic
Real-time sensing the glucose concentration by quadratic-shaped microwave sensor
Proceedings of the Yerevan State University. Physical and mathematical sciences, Tome 53 (2019) no. 2, pp. 132-137

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In this study we present a microwave sensor based on the quadratic-shape designed for detecting glucose concentration in aqueous solutions by using a microwave near-field electromagnetic interaction technique. We derived linear relationship between microwave $\mathrm{S}_{11}$ reflection coefficient of our suggested system and concentration of glucose in solution. Due to that linear relationship we could determine the glucose concentration in the $0$–$250\,mg/dL$ concentration range at an operating frequency near $3.6\, GHz$. The measured minimum detectable signal was $0.0044\,dB/(mg/dL)$ and the measured minimum detectable concentration was $6.8\, mg/dL$. These results suggest that our proposed system has a high accuracy for non-contact glucose monitoring and has good basis for the development of a non-invasive glucometer.
Keywords: Quadratic resonator, microwave sensor
Mots-clés : glucose concentration. 
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     author = {B. A. Hovhannisyan and D. S. Hambaryan and L. A. Odabashyan and A. Zh. Babajanyan},
     title = {Real-time sensing the glucose concentration by quadratic-shaped microwave sensor},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
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     volume = {53},
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     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2019_53_2_a7/}
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B. A. Hovhannisyan; D. S. Hambaryan; L. A. Odabashyan; A. Zh. Babajanyan. Real-time sensing the glucose concentration by quadratic-shaped microwave sensor. Proceedings of the Yerevan State University. Physical and mathematical sciences, Tome 53 (2019) no. 2, pp. 132-137. http://geodesic.mathdoc.fr/item/UZERU_2019_53_2_a7/