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Measurements of Energetic States Resulting from Ion Exchanges in the Isomorphic Crystals of Apatites and Bioapatites

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dc.abstract.enDevelopments in the field of nanostructures open new ways for designing and manufacturing innovative materials. Here, we focused on new original ways of calculating energy changes during the substitution of foreign ions into the structure of apatites and bioapatites. Using these tools, the energetic costs of ion exchanges were calculated for the exemplary cases known from the literature. It was established that the most costly were ion exchanges of some cations inside apatites and of anions, and the least costly exchanges in tetrad channel positions. Real energy expenses for bioapatites are much smaller in comparison to mineral apatites due to the limited involvement of magnesium and carbonates in the structure of hard tissues. They are of the order of several electron volts per ion. The rigorous dependences of the energy changes and crystallographic cell volumes on the ionic radii of introduced cations were proved. The differentiation of the positioning of foreign ions in locations of Ca(I) and Ca(II) could be calculated in the case of a Ca-Pb reaction in hydroxyapatite. The energetic effects of tooth aging were indicated. The ability of energy change calculation during the ion exchange for isomorphic substances widens the advantages resulting from X-ray diffraction measurements.
dc.affiliationWydział Nauk o Żywności i Żywieniu
dc.affiliation.instituteKatedra Fizyki i Biofizyki
dc.contributor.authorKuczumow, Andrzej
dc.contributor.authorBlicharski, Tomasz
dc.contributor.authorGorzelak, Mieczysław
dc.contributor.authorKosiński, Jakub
dc.contributor.authorLasota, Agnieszka
dc.contributor.authorGągała, Jacek
dc.contributor.authorNowak, Jakub
dc.contributor.authorJarzębski, Maciej
dc.contributor.authorJabłoński, Mirosław
dc.date.access2026-03-11
dc.date.accessioned2026-03-23T12:36:38Z
dc.date.available2026-03-23T12:36:38Z
dc.date.copyright2022-12-15
dc.date.issued2022
dc.description.abstract<jats:p>Developments in the field of nanostructures open new ways for designing and manufacturing innovative materials. Here, we focused on new original ways of calculating energy changes during the substitution of foreign ions into the structure of apatites and bioapatites. Using these tools, the energetic costs of ion exchanges were calculated for the exemplary cases known from the literature. It was established that the most costly were ion exchanges of some cations inside apatites and of anions, and the least costly exchanges in tetrad channel positions. Real energy expenses for bioapatites are much smaller in comparison to mineral apatites due to the limited involvement of magnesium and carbonates in the structure of hard tissues. They are of the order of several electron volts per ion. The rigorous dependences of the energy changes and crystallographic cell volumes on the ionic radii of introduced cations were proved. The differentiation of the positioning of foreign ions in locations of Ca(I) and Ca(II) could be calculated in the case of a Ca-Pb reaction in hydroxyapatite. The energetic effects of tooth aging were indicated. The ability of energy change calculation during the ion exchange for isomorphic substances widens the advantages resulting from X-ray diffraction measurements.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if4,6
dc.description.number24
dc.description.points140
dc.description.versionfinal_published
dc.description.volume27
dc.identifier.doi10.3390/molecules27248913
dc.identifier.issn1420-3049
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/7877
dc.identifier.weblinkhttp://www.mdpi.com/1420-3049/27/24/8913
dc.languageen
dc.relation.ispartofMolecules
dc.relation.pagesart. 8913
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.enapatites
dc.subject.enbioapatite
dc.subject.enX-ray diffraction
dc.subject.enenergy changes
dc.subject.enion exchanges
dc.titleMeasurements of Energetic States Resulting from Ion Exchanges in the Isomorphic Crystals of Apatites and Bioapatites
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue24
oaire.citation.volume27