Abstract
Determination of temperature dependencies of electric conductivity and thermal properties by differential scanning calorimetry (DSC) allow to analyse the processes of charge and heat transport in the bone being a complex collagen–hydroxyapatite (HAP)–water system. Modification of the bone structure by high doses of γ-radiation changes the electrical and thermal properties of the bone. Electrical conductivity ( σ) of the bone decreases with consecutive heating runs. The decrease in σ observed for irradiated samples was explained by the scission of the main chain of collagen macromolecule. Irradiation decreased the hydration level in the bone, its denaturation temperature and increased both enthalpy and entropy of the denaturation process.
Published Version
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