In this Letter, we explore how cell electro-deformation and electro-poration are connected. We build a time-domain model of layered concentric shells (a model of biological cells) including their dielectric and elastic properties. We simulate delivery of one trapezoidal voltage pulse to either a single spherical cell or an assembly of three neighboring cells in a specific configuration and calculate cell deformation and pore formation. We describe the qualitative features of the electric field, surface charge density, transmembrane voltage, cell elongation, and pore density distribution at specific times i.e., before, during and after the application of the electric pulse and explore the correlations between them. Our results show that (1) the polarization charge redistribution plays a significant role in the spatial distribution of electrical stresses at μs time scales and (2) the cell deformation and pore density can be correlated with regions of high surface charge density. In future work, our model could be used for understanding basic mechanisms of electro-deformation and electro-poration with high-frequency short bipolar pulses of biological cells in suspension or tissues.
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11 February 2019
Research Article|
February 11 2019
Assessing the electro-deformation and electro-poration of biological cells using a three-dimensional finite element model
D. Shamoon
;
D. Shamoon
1
Univ Brest, CNRS, Lab-STICC, CS 93837
, 6 Avenue Le Gorgeu, 29238 Brest Cedex 3, France
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J. Dermol-Černe
;
J. Dermol-Černe
2
University of Ljubljana, Faculty of Electrical Engineering
, Tržaška 25, 1000 Ljubljana, Slovenia
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L. Rems
;
L. Rems
2
University of Ljubljana, Faculty of Electrical Engineering
, Tržaška 25, 1000 Ljubljana, Slovenia
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M. Reberšek
;
M. Reberšek
2
University of Ljubljana, Faculty of Electrical Engineering
, Tržaška 25, 1000 Ljubljana, Slovenia
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T. Kotnik
;
T. Kotnik
2
University of Ljubljana, Faculty of Electrical Engineering
, Tržaška 25, 1000 Ljubljana, Slovenia
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S. Lasquellec;
S. Lasquellec
1
Univ Brest, CNRS, Lab-STICC, CS 93837
, 6 Avenue Le Gorgeu, 29238 Brest Cedex 3, France
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C. Brosseau
;
C. Brosseau
a)
1
Univ Brest, CNRS, Lab-STICC, CS 93837
, 6 Avenue Le Gorgeu, 29238 Brest Cedex 3, France
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D. Miklavčič
D. Miklavčič
2
University of Ljubljana, Faculty of Electrical Engineering
, Tržaška 25, 1000 Ljubljana, Slovenia
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Appl. Phys. Lett. 114, 063701 (2019)
Article history
Received:
October 30 2018
Accepted:
January 18 2019
Citation
D. Shamoon, J. Dermol-Černe, L. Rems, M. Reberšek, T. Kotnik, S. Lasquellec, C. Brosseau, D. Miklavčič; Assessing the electro-deformation and electro-poration of biological cells using a three-dimensional finite element model. Appl. Phys. Lett. 11 February 2019; 114 (6): 063701. https://doi.org/10.1063/1.5079292
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