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A 3-D Microdosimetric Study on Blood Cells: A Permittivity Model of Cell Membrane and Stochastic Electromagnetic Analysis

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5 Author(s)
Merla, C. ; Italian Inter-Univ. Centre for the Study of Electromagn. Fields & BioSystems (ICEmB), Univ. of Rome "La Sapienza", Rome, Italy ; Liberti, M. ; Apollonio, F. ; Nervi, C.
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This paper describes a microdosimetric study on erythrocytes in two parts: an assessment of the membrane dielectric model from permittivity measurements of erythrocyte solutions and its uncertainty, and a quasi-static electromagnetic (EM) analysis solving the Laplace equation, both analytically and numerically. To evaluate the role of the estimated uncertainty, a stochastic EM solution has been conducted; our results highlight the fundamental role of the dielectric modeling on the reliability of electric field values in the cell membrane. Numerical data, from 3-D cell models, confirm the dependence of the electric field distribution on the extra-cellular field polarization.

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:58 ,  Issue: 3 )