Memristive model of electro-osmosis in skin

We show that some of the nonlinear conductance properties of electro-osmosis in sweat-duct capillaries may be modeled by a memristive circuit. This includes both the observed phase shift and amplitude modulation of the electrical current response to a simple harmonic driving potential. Memristive sy...

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Bibliographic Details
Published in:Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2011-03, Vol.83 (3 Pt 1), p.031916-031916, Article 031916
Main Authors: Johnsen, G K, Lütken, C A, Martinsen, O G, Grimnes, S
Format: Article
Language:English
Subjects:
Biophysics - methods
Capillaries - physiology
Electric Conductivity
Electric Impedance
Electrochemistry - methods
Electrodes
Epithelium - blood supply
Epithelium - physiology
Equipment Design
Humans
Models, Statistical
Models, Theoretical
Osmosis - physiology
Skin - metabolism
Skin Physiological Phenomena
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Summary:We show that some of the nonlinear conductance properties of electro-osmosis in sweat-duct capillaries may be modeled by a memristive circuit. This includes both the observed phase shift and amplitude modulation of the electrical current response to a simple harmonic driving potential. Memristive sytems may therefore be expected to play a role in modeling the electrical properties of skin, and perhaps also in other systems where nonlinearities are observed in their bioimpedance.
ISSN:1539-3755
1550-2376
DOI:10.1103/PhysRevE.83.031916