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Effective Admittivity of Biological Tissues as a Coefficient of Elliptic PDE
المؤلفون المشاركون
Seo, Jin Keun
Bera, Tushar Kanti
Sadleir, Rosalind
Kwon, Hyeuknam
المصدر
Computational and Mathematical Methods in Medicine
العدد
المجلد 2013، العدد 2013 (31 ديسمبر/كانون الأول 2013)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2013-04-16
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
The electrical properties of biological tissues can be described by a complex tensor comprising a simple expression of the effective admittivity.
The effective admittivities of biological tissues depend on scale, applied frequency, proportions of extra- and intracellular fluids, and membrane structures.
The effective admittivity spectra of biological tissue can be used as a means of characterizing tissue structural information relating to the biological cell suspensions, and therefore measuring the frequency-dependent effective conductivity is important for understanding tissue’s physiological conditions and structure.
Although the concept of effective admittivity has been used widely, it seems that its precise definition has been overlooked.
We consider how we can determine the effective admittivity for a cube-shaped object with several different biologically relevant compositions.
These precise definitions of effective admittivity may suggest the ways of measuring it from boundary current and voltage data.
As in the homogenization theory, the effective admittivity can be computed from pointwise admittivity by solving Maxwell equations.
We compute the effective admittivity of simple models as a function of frequency to obtain Maxwell-Wagner interface effects and Debye relaxation starting from mathematical formulations.
Finally, layer potentials are used to obtain the Maxwell-Wagner-Fricke expression for a dilute suspension of ellipses and membrane-covered spheres.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Seo, Jin Keun& Bera, Tushar Kanti& Kwon, Hyeuknam& Sadleir, Rosalind. 2013. Effective Admittivity of Biological Tissues as a Coefficient of Elliptic PDE. Computational and Mathematical Methods in Medicine،Vol. 2013, no. 2013, pp.1-10.
https://search.emarefa.net/detail/BIM-465253
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Seo, Jin Keun…[et al.]. Effective Admittivity of Biological Tissues as a Coefficient of Elliptic PDE. Computational and Mathematical Methods in Medicine No. 2013 (2013), pp.1-10.
https://search.emarefa.net/detail/BIM-465253
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Seo, Jin Keun& Bera, Tushar Kanti& Kwon, Hyeuknam& Sadleir, Rosalind. Effective Admittivity of Biological Tissues as a Coefficient of Elliptic PDE. Computational and Mathematical Methods in Medicine. 2013. Vol. 2013, no. 2013, pp.1-10.
https://search.emarefa.net/detail/BIM-465253
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-465253
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