An RCL sensor for measuring dielectrically lossy materials in the MHz frequency range 1. Comparison of hydrogel model simulation with actual hydrogel impedance measurements

M. S. Talary; F. Dewarrat; A. Caduff; A. Puzenko; Y. Ryabov; Y. Feldman

doi:10.1109/TDEI.2006.1624269

An RCL sensor for measuring dielectrically lossy materials in the MHz frequency range 1. Comparison of hydrogel model simulation with actual hydrogel impedance measurements

M. S. Talary^*, F. Dewarrat, A. Caduff, A. Puzenko, Y. Ryabov, Y. Feldman

^*Corresponding author for this work

Department of Applied Physics

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

There is a requirement for the development of non-invasive continuous blood glucose monitoring devices to meet the clinical demands of the rapidly increasing number of people currently developing diabetes mellitus. Impedance Spectroscopy is a technology that meets the requirements of such devices. An NI CGMD is being developed as a device that couples a sensor to the skin to form an RCL sensor. The reliability of such an RCL sensor model has been investigated by comparing electrodynamical simulations to in-vitro measurements of dielectrically "lossy" materials. The sensor has been modeled and simulated in FEMLAB (Finite Element Modeling Laboratory). In-vitro measurements are performed on hydrogels, representing the lossy material, by the aid of a Rohde & Schwarz VNA (vector network analyzer). From the quantitative agreement of the results we conclude, that the proposed qualitative model is appropriate for the characterization of the RCL sensor and suggests that more detailed models can be used to elucidate the behavior of human skin tissue.

Original language	English
Pages (from-to)	247-256
Number of pages	10
Journal	IEEE Transactions on Dielectrics and Electrical Insulation
Volume	13
Issue number	2
DOIs	https://doi.org/10.1109/TDEI.2006.1624269
State	Published - Apr 2006

Keywords

Circuit simulation
Dielectric materials
Dielectric measurements
Equivalent circuits
Medical diagnosis
Skin
Transducers

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/TDEI.2006.1624269

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Talary, M. S., Dewarrat, F., Caduff, A., Puzenko, A., Ryabov, Y., & Feldman, Y. (2006). An RCL sensor for measuring dielectrically lossy materials in the MHz frequency range 1. Comparison of hydrogel model simulation with actual hydrogel impedance measurements. IEEE Transactions on Dielectrics and Electrical Insulation, 13(2), 247-256. https://doi.org/10.1109/TDEI.2006.1624269

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Talary, MS, Dewarrat, F, Caduff, A, Puzenko, A, Ryabov, Y & Feldman, Y 2006, 'An RCL sensor for measuring dielectrically lossy materials in the MHz frequency range 1. Comparison of hydrogel model simulation with actual hydrogel impedance measurements', IEEE Transactions on Dielectrics and Electrical Insulation, vol. 13, no. 2, pp. 247-256. https://doi.org/10.1109/TDEI.2006.1624269

An RCL sensor for measuring dielectrically lossy materials in the MHz frequency range 1. Comparison of hydrogel model simulation with actual hydrogel impedance measurements. / Talary, M. S.; Dewarrat, F.; Caduff, A. et al.
In: IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 13, No. 2, 04.2006, p. 247-256.

Research output: Contribution to journal › Article › peer-review

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AU - Feldman, Y.

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AB - There is a requirement for the development of non-invasive continuous blood glucose monitoring devices to meet the clinical demands of the rapidly increasing number of people currently developing diabetes mellitus. Impedance Spectroscopy is a technology that meets the requirements of such devices. An NI CGMD is being developed as a device that couples a sensor to the skin to form an RCL sensor. The reliability of such an RCL sensor model has been investigated by comparing electrodynamical simulations to in-vitro measurements of dielectrically "lossy" materials. The sensor has been modeled and simulated in FEMLAB (Finite Element Modeling Laboratory). In-vitro measurements are performed on hydrogels, representing the lossy material, by the aid of a Rohde & Schwarz VNA (vector network analyzer). From the quantitative agreement of the results we conclude, that the proposed qualitative model is appropriate for the characterization of the RCL sensor and suggests that more detailed models can be used to elucidate the behavior of human skin tissue.

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An RCL sensor for measuring dielectrically lossy materials in the MHz frequency range 1. Comparison of hydrogel model simulation with actual hydrogel impedance measurements

Abstract

Keywords

UN SDGs

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