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Quantitative evaluation of blood glucose concentration using impedance sensing devices Cover

Quantitative evaluation of blood glucose concentration using impedance sensing devices

Journal of Electrical Bioimpedance
Volume 4 (2013): Issue 1 (January 2013)
By: Rangadhar Pradhan,  Analava Mitra and  Soumen Das  
Open Access
|Dec 2013

Figures & Tables

Fig.1

Microphotograph of different three-electrode devices.
Microphotograph of different three-electrode devices.

Fig. 2

Test setup for impedance measurement.
Test setup for impedance measurement.

Fig. 3

Equivalent circuit of blood.
Equivalent circuit of blood.

Fig. 4

A typical representation of Bode plot for different glucose concentrations.
A typical representation of Bode plot for different glucose concentrations.

Fig. 5

A typical representation of Bode plot for different glucose concentrations with error bars.
A typical representation of Bode plot for different glucose concentrations with error bars.

Fig. 6

A typical representation of complex Admittance plot of different glucose concentrations.
A typical representation of complex Admittance plot of different glucose concentrations.

Fig. 7

Dependence plot of impedance with respect to scanning frequency and glucose concentration.
Dependence plot of impedance with respect to scanning frequency and glucose concentration.

Fig. 8

Dependence plot of impedance with respect to working electrode area and glucose concentration.
Dependence plot of impedance with respect to working electrode area and glucose concentration.

Fig. 9

Dependence plot of impedance with respect to glucose concentration.
Dependence plot of impedance with respect to glucose concentration.

Dimensions of different designs of three-electrode devices_

DevicesElectrode dimensions (μm2)Distance between electrodes ( μm)
Design 1WE- 50×50, RE- 500×500, CE- 500×500100
Design 2WE- 100×100, RE- 1000×1000, CE- 1000×1000100
Design 3WE- 150×150, RE- 1500×1500, CE- 1500×1500100
Design 4WE- 200×200, RE- 2000×2000, CE- 2000×2000100

Constant values for different designs of three- electrode devices_

DevicesABCD
Design 10.2786×1080.1002-0.94750.1824×104
Design 20.2478×1080.1002-0.99580.1706×104
Design 30.2478×1080.1002-0.95810.1706×104
Design 40.1478×1080.1002-0.95810.1014×104
DOI: https://doi.org/10.5617/jeb.657 | Journal eISSN: 1891-5469
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Language: English
Page range: 73 - 77
Submitted on: Jul 3, 2013
Published on: Dec 31, 2013
Published by: University of Oslo
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
Blood glucose,
impedance sensing devices,
microelectrodes,
microfabrication
Related subjects:
Engineering,
Bioengineering and biomedical engineering,
Biomedical electronics,
Physics,
Spectroscopy and metrology,
Life sciences,
Biophysics,
Medicine,
Biomedical engineering

© 2013 Rangadhar Pradhan, Analava Mitra, Soumen Das, published by University of Oslo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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