Measurements have been made of the permittivity and conductivity of normal and wounded human skin material over the frequency range 10 MHz-10 GHz. The permittivity of the wounded tissue was found to be about 12% higher than that of the normal tissue. A similar percentage increase was observed for the conductivity. These differences are attributed to the presence of a higher proportion of bulk water in the wounded material.
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Gabriel et al. (1987) studied this question.
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