Impact of pyrocatechol on the structural, spectroscopic, thermal characteristics, and in vitro bioactivity of gadolinium-enhanced hydroxyapatites

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dc.contributor.authorKeser, Serhat
dc.contributor.authorDemirbilek, Fatos
dc.contributor.authorBarzinjy, Azeez A.
dc.contributor.authorKareem, Rebaz Obaid
dc.contributor.authorMahmood, Bahroz Kareem
dc.contributor.authorAtes, Tankut
dc.contributor.authorAtes, Burhan
dc.date.accessioned2026-04-04T13:35:02Z
dc.date.available2026-04-04T13:35:02Z
dc.date.issued2025
dc.departmentİnönü Üniversitesi
dc.description.abstractIn this study, the effects of pyrocatechol content on the structural, thermal, spectroscopic, and biocompatibility properties of gadolinium (Gd) based hydroxyapatites (HAs) were investigated using X-ray diffraction, Fourier transform infrared spectroscopy, differential thermal analysis, thermogravimetric analysis, and scanning electron microscopy. The results, of this study, show that the energy bandgap (Egap) of Gd-doped HAs decreases to 4.1978 eV, indicating a narrowing of the electronic energy levels compared to pure HAs. The doping of Gd3+ further enhances these effects, as confirmed by enhanced photoluminescence intensity attributed to cooperative energy transfer mechanisms between the dopants. The two most biocompatible materials in the HAs series were determined as 0.42Gd-HA (94%) and P16-0.42Gd-HA (91%). These results demonstrate that even small concentrations of dopant like Gd can meaningfully impact the material's electronic and optical properties, offering potential for its application in areas where a higher bandgap and insulating properties are essential, such as in biomedical implants, coatings, or electronic insulators.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) 2209A University Students Research Projects Support Program [1919B012208824]; Management Unit of Scientific Research Projects of Firat University (FUBAP) [ADEP.24.01]
dc.description.sponsorshipThis work was supported by Scientific and Technological Research Council of Turkey (TUBITAK) 2209A University Students Research Projects Support Program under grant number 1919B012208824. This work was supported by the Management Unit of Scientific Research Projects of Firat University (FUBAP) (Project Number: ADEP.24.01) .
dc.identifier.doi10.1016/j.inoche.2025.114495
dc.identifier.issn1387-7003
dc.identifier.issn1879-0259
dc.identifier.orcid0000-0002-2321-1455
dc.identifier.orcid0000-0002-4519-2953
dc.identifier.scopus2-s2.0-105002494330
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1016/j.inoche.2025.114495
dc.identifier.urihttps://hdl.handle.net/11616/109569
dc.identifier.volume178
dc.identifier.wosWOS:001472920900001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofInorganic Chemistry Communications
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250329
dc.subjectHydroxyapatites (HAs)
dc.subjectGadolinium (Gd)
dc.subjectPyrocatechol
dc.subjectIn vitro bioactivity
dc.subjectBiocompatibility
dc.subjectBiomaterials
dc.titleImpact of pyrocatechol on the structural, spectroscopic, thermal characteristics, and in vitro bioactivity of gadolinium-enhanced hydroxyapatites
dc.typeArticle

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