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Differential phase angle spectrum for liquid detection in functionalized surface roughness polymeric electrode

John Alexander Gomez-Sanchez

John Alexander Gomez-Sanchez

CalipYuk EnterprisesRio de Janeiro, Brazil
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Gomez-Sanchez, John Alexander
 et 
Luciano de Souza Ribero Bueno

Luciano de Souza Ribero Bueno

Joinville, Brazil
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Bueno, Luciano de Souza Ribero
  
23 déc. 2024
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Publié en ligne: 23 déc. 2024
Pages: 162 - 168
Reçu: 23 nov. 2024
DOI: https://doi.org/10.2478/joeb-1024-0019
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© 2024 John Alexander Gomez-Sanchez et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1:

Polymeric biosensor dimensions in millimeters. A: Distance between the steps, B: Height of one step, C: Overall depth of the stepped section, D: Internal step of the box.
Polymeric biosensor dimensions in millimeters. A: Distance between the steps, B: Height of one step, C: Overall depth of the stepped section, D: Internal step of the box.

Figure 2:

3D model for simulations in COMSOL 6.0
3D model for simulations in COMSOL 6.0

Figure 3:

Setup of impedance measurements using Zurich Instruments MFLI
Setup of impedance measurements using Zurich Instruments MFLI

Figure 4:

Differential angle phase spectrum for the functionalized electrode surface in the presence of acetic acid and CaCl2. Blue dashed line (WF + Acetic), blue triangle line (WF + CaCl2), orange dashed line (BF + Acetic), circle line (BF + CaCl2), green dashed line (WF + Acetic + Biotin), and green square line (WF + CaCl2 + Biotin + CaCl2).
Differential angle phase spectrum for the functionalized electrode surface in the presence of acetic acid and CaCl2. Blue dashed line (WF + Acetic), blue triangle line (WF + CaCl2), orange dashed line (BF + Acetic), circle line (BF + CaCl2), green dashed line (WF + Acetic + Biotin), and green square line (WF + CaCl2 + Biotin + CaCl2).

Figure 5:

Frequency-dependent impedance and phase response of dry polymeric electrodes: Analysis of dry sensors 1 (green), 2 (blue dashed), 3 (navy blue), and 4 (orange dashed-dot)
Frequency-dependent impedance and phase response of dry polymeric electrodes: Analysis of dry sensors 1 (green), 2 (blue dashed), 3 (navy blue), and 4 (orange dashed-dot)

Figure 6:

COMSOL simulation of surface polarization on the steps in the sample box. Blue line: Top surface, Red line: Bottom surface. Electric potential distribution (a) top step and (b) bottom step ;(c) Polarization dynamics as a function of position
COMSOL simulation of surface polarization on the steps in the sample box. Blue line: Top surface, Red line: Bottom surface. Electric potential distribution (a) top step and (b) bottom step ;(c) Polarization dynamics as a function of position
Langue:
Anglais
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Sujets de la revue:
Ingénierie, Génie biologique et génie biomédicale, Électronique biomédicale, Sciences de la vie, Biophysique, Médecine, Génie biomédical, Physique, Spectroscopie et métrologie
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