ArticleACS omega2026
Physicochemical Comparison of Hydroxyapatite Extracted from Adult and Young Duroc-Jersey Porcine Bones: Influence of Predominant Ionic Composition on Enhanced Potential Applications.
Article in ACS omega, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Biogenic hydroxyapatite (BHA) exhibits physicochemical variability associated with donor-dependent factors. BHA extracted from young and adult Duroc-Jersey porcine bones was systematically compared, with a focus on predominant substitutional ions and crystallite size. BHA powders were obtained by controlled thermal treatment. Thermal analysis by TGA and DSC revealed age-dependent differences in thermal stability and coalescence behavior related to variations in organic content and carbonate species. ICP-OES showed nonstoichiometric compositions with Ca/P ratios and trace-element concentrations, particularly silicon-containing species, which differed significantly between the samples investigated. FT-IR spectroscopy confirmed the formation of AB-type carbonated hydroxyapatite and silicate substitutions. HR-TEM revealed crystallite sizes within the transition range between nanometric and micrometric regimes (60-100 nm). XRD showed lattice distortions consistent with multi-ionic substitution. These results suggest that differences in ionic composition between the young- and adult-derived samples are associated with variations in structural organization and thermal behavior.
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