Four-electrode measurements on microporous membranes related to dielectric properties of human skin
- 1 October 1992
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 6, 2384-2385
- https://doi.org/10.1109/iembs.1992.5761415
Abstract
A new complementary theory on the mechanisms behind the low-frequency permittivity dispersion measured on human skin, is presented. Displacement of counterions in the electrical double layer of the sweat ducts is proposed as a possible source of α-dispersion. Some measurements have been done on pure and modified microporous membranes, using a four-electrode system and a lock-in amplifier. No significant capacitance has been measured so far in these experiments.Keywords
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