An idea is to check possibilities of an ultra-wideband (UWB) dipole antenna for self-monitoring the blood glucose level with high accuracy readings.
The primary motivation for this technique is that dielectric spectroscopy provides information about the dielectric response of materials to electromagnetic field.
Changes in dielectric properties of blood are those electrical properties which measure the interaction of blood with electromagnetic fields. Therefore, relative permittivity, dielectric loss factor, loss tangent and the alternate current conductivity are parameters of sensing. There are different ways to determine the dielectric permittivity of fluids. In dielectric spectroscopy, an alternating electric field is applied across two capacitor plates with the fluid under investigation as dielectric. Measuring the impedance of the system as a function of frequency gives the dielectric permittivity, loss tangent, as well as their frequency dependence. The fact is that, permittivity of blood is related to its chemical composition.
The possibility of measuring the complex dielectric permittivity of homogeneous and non-homogeneous media by means of dipole antenna sensors has been demonstrated in [2,3]
However, in order to develop an advanced model and algorithm but also to generate a strong correlations between system inputs and outputs for this type of monitoring the impact of different variables in the sensor system performance should be investigated in details.
1.N.A. Hoog (Antonyuk) Stub resonators: transmission-line-based water sensors, Thesis, 2014.
2.N.A. Antonyk, I.S. Kruglov, L.P. Ligthart, V.V. Zagoskin, A.S. Shostak, V.N. Iljushenko: Measurement of the complex dielectric permittivity of stratified media with dipole antenna sensors. Radar Conference, 2004. EURAD. First European; 02/2004
3.N.A. Antonyk, I.S. Kruglov, V.V. Zagoskin, L.P. Ligthart, A.S. Shostak, V.N. Iljushenko, B.I. Avdochenko: Measurement of the complex dielectric permittivity of homogeneous media with dipole antenna sensors. Radar Conference, 2004. EURAD. First European; 02/2004
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