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Sensitivity study of a locally developed six electrode focused impedance method

Trilochan Khanal

Trilochan Khanal

Department of Physics, Tribhuvan UniversityKirtipur, Nepal
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Khanal, Trilochan
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K Siddique-e Rabbani

K Siddique-e Rabbani

Department of Biomedical Physics & Technology, University of DhakaDhaka, Bangladesh
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Rabbani, K Siddique-e
  
Apr 24, 2024
Sensitivity study of a locally developed six electrode focused impedance method's Cover Image
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Published Online: Apr 24, 2024
Page range: 33 - 40
Received: Mar 13, 2024
DOI: https://doi.org/10.2478/joeb-2024-0005
Keywords
© 2024 Trilochan Khanal et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1:

Tetra-polar impedance measurement scheme [3].
Tetra-polar impedance measurement scheme [3].

Figure 2:

Basic concept of FIM-6 [3].
Basic concept of FIM-6 [3].

Figure 3:

Photograph of the phantom used in the study. Tap water of about 1cm height covers the base made with a cork sheet (foam plastic). The plastic pipe shown is an insulating object which was placed at different points to measure the sensitivity of the system.
Photograph of the phantom used in the study. Tap water of about 1cm height covers the base made with a cork sheet (foam plastic). The plastic pipe shown is an insulating object which was placed at different points to measure the sensitivity of the system.

Figure 4:

A laboratory set up for Phantom study.
A laboratory set up for Phantom study.

Figure 5:

Placement of electrodes for FIM-6 phantom study.
Placement of electrodes for FIM-6 phantom study.

Figure 6:

Positions for object placement for TPIM and FIM-6 phantom study.
Positions for object placement for TPIM and FIM-6 phantom study.

Figure 7:

Transfer Impedance against distance for linear TPIM for the measurement along horizontal and vertical directions.
Transfer Impedance against distance for linear TPIM for the measurement along horizontal and vertical directions.

Figure 8:

Percentage change in Transfer Impedance against distance for linear TPIM along and perpendicular direction of electrode arrangement.
Percentage change in Transfer Impedance against distance for linear TPIM along and perpendicular direction of electrode arrangement.

Figure 9:

Matrix Representations of Normalized Changes of Transfer Impedance for Linear TPIM.
Matrix Representations of Normalized Changes of Transfer Impedance for Linear TPIM.

Figure 10:

Focused Transfer Impedance against a distance measured along both horizontal and vertical directions.
Focused Transfer Impedance against a distance measured along both horizontal and vertical directions.

Figure 11:

Percentage Change in FTZ against distance for Horizontal and vertical direction of measurement
Percentage Change in FTZ against distance for Horizontal and vertical direction of measurement

Figure 12:

Matrix Representation of Normalized Values for FIM-6 arrangements measured along chosen positions.
Matrix Representation of Normalized Values for FIM-6 arrangements measured along chosen positions.

Figure 13:

Percentage change in Impedance against distance for the Horizontal measurement of TPIM and FIM-6 configuration.
Percentage change in Impedance against distance for the Horizontal measurement of TPIM and FIM-6 configuration.

Figure 14:

Percentage change in Impedance against a distance measured for the perpendicular direction of the electrode arrangement of TPIM and FIM-6 configuration.
Percentage change in Impedance against a distance measured for the perpendicular direction of the electrode arrangement of TPIM and FIM-6 configuration.
Language:
English
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1 times per year
Journal Subjects:
Engineering, Bioengineering and Biomedical Engineering, Biomedical Electronics, Life Sciences, Biophysics, Medicine, Biomedical Engineering, Physics, Spectroscopy and Metrology
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