title: The influence of storage time on the temperature dependence of the dc electrical conductivity of horn keratin.
abstract: The direct current electrical conductivity of horn keratin was measured as a function of temperature, in the temperature range 290-480 K, with a constant heating rate, for samples stored for periods of 2-3 weeks and 5 months. The activation energy of charge conducting process was calculated. The longer storage time reduced the water content, and the electrical conductivity, but increased the activation energy at 290-320 K.
authors.affiliation: Department of Biophysics, Karol Marcinkowski University of Medical Sciences in Poznan, Poland. kubisz@main.amu.edu.pl
authors.forename: L
authors.initials: L
authors.lastname: Kubisz
mesh_terms: D000818:Animals; D002417:Cattle; D003080:Cold Temperature; D004553:Electric Conductivity; D006733:Horns / Q000737:chemistry*; D007633:Keratins / Q000502:physiology*
chemical_list: D007633:Keratins