Electron Paramagnetic Resonance Characterization of Sodium- and Carbonate-Containing Hydroxyapatite Cement.

ABSTRACT: Ionizing radiation-induced paramagnetic defects in calcified tissues like tooth enamel are indicators of irradiation dose. Hydroxyapatite (HA), the principal constituent in these materials, incorporates a variety of anions (CO₃^2-, F^-, Cl^-, and SiO₄^4-) and cations (Mn²⁺, Li⁺, Cu²⁺, Fe³⁺, Mg²⁺, and Na⁺) that directly or indirectly contribute to the formation of stable paramagnetic centers upon irradiation. Here, we used an underexploited synthesis method based on the ambient temperature setting reaction of a self-hardening calcium phosphate cement (CPC) to create carbonate-containing hydroxyapatite (CHA) and investigate its paramagnetic properties following γ-ir

SUBMITTER: Karim ET 

PROVIDER: S-EPMC9400659 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature