Microwave and Impedance Spectroscopy as a Useful Tool for Testing Dielectric Properties of Glucose Solutions

  • Izabela Osiecka
  • Tadeusz PałkoEmail author
Conference paper
Part of the IFMBE Proceedings book series (IFMBE, volume 68/2)


Diabetes is one of the most common social disease in the world. Due to the patient discomfort associated with sample collection using a commercially available devices, there is a great need to design a more favorable and precise sensor of blood glucose level. Promising techniques are based on the correlation between glucose-induced variations and blood dielectric properties. This report presents two possible methods showing the variations of impedance modulus and relative permittivity values in glucose-sodium chloride (0.9%) and glucose-bovine plasma solutions at different concentrations, ranging from 50 to 500 mg/dl, occurring in human blood. It is worth noticing, that in each sample the dielectric properties depend on the glucose concentration of the sample over the whole studied range, that is 1 kHz–2 MHz for impedance measurements and 100 MHz–5.5 GHz for microwave spectroscopy. The experimental results as well as discussion of the results, are presented in this paper.


Permittivity Glucose Microwaves Impedance spectroscopy 



This work was partially supported by the Dean’s grant 504/02809/1142 in the years 2016–2017.

Conflict of Interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Institute of Metrology and Biomedical Engineering, Warsaw University of TechnologyWarsawPoland

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