Biological cell in the external AC electric field
QuickField simulation example
Engineering question
How to find external electric field effect on biological cells
Engineering answer
Set up an axisymmetric QuickField AC Conduction problem for a biological cell exposed to an external electric field and evaluate field influence from computed field results.
Typical applications
biological tissue exposure systems, electroporation setups, biomedical electrode environments
- Download simulation files (files may be viewed using any QuickField Edition).
Problem Type
Axisymmetric problem of AC conduction.
Geometry
Given
External voltage: V+ = 0.1 mV, V- = -0.1 mV.
Frequency f - variable.
| Electric conductivity | Relative permittivity | |
Cytoplasm | 1 S/m | 50 |
Solution | 1 S/m | 78 |
Membrane | 0.001 mS/m | 12.1 |
Task
Determine the electric field penetration inside the cell at different frequencies.
Result
| Frequency | External field | Internal field |
|---|---|---|
| 100 Hz | 1.13 V/m | 0.00009 V/m |
| 100 kHz | 1.13 V/m | 0.006 V/m |
| 100 MHz | 1.13 V/m | 1.09 V/m |
Electric field inside the biological cell at frequency 100 kHz and 100 MHz is shown in the pictures below:
- Video: Biological cell in the external AC electric field
- View simulation report in PDF
- Download simulation files (files may be viewed using any QuickField Edition).