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- W3136133427 abstract "Mesoporous hydroxyapatite (HA) and iron(III)-doped HA (Fe-HA) are attractive materials for biomedical, catalytic, and environmental applications. In the present study, the nanopowders of HA and Fe-HA with a specific surface area up to 194.5 m2/g were synthesized by a simple precipitation route using iron oxalate as a source of Fe3+ cations. The influence of Fe3+ amount on the phase composition, powders morphology, Brunauer–Emmett–Teller (BET) specific surface area (S), and pore size distribution were investigated, as well as electron paramagnetic resonance and Mössbauer spectroscopy analysis were performed. According to obtained data, the Fe3+ ions were incorporated in the HA lattice, and also amorphous Fe oxides were formed contributed to the gradual increase in the S and pore volume of the powders. The Density Functional Theory calculations supported these findings and revealed Fe3+ inclusion in the crystalline region with the hybridization among Fe-3d and O-2p orbitals and a partly covalent bond formation, whilst the inclusion of Fe oxides assumed crystallinity damage and rather occurred in amorphous regions of HA nanomaterial. In vitro tests based on the MG-63 cell line demonstrated that the introduction of Fe3+ does not cause cytotoxicity and led to the enhanced cytocompatibility of HA." @default.
- W3136133427 created "2021-03-29" @default.
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- W3136133427 date "2021-03-22" @default.
- W3136133427 modified "2023-10-01" @default.
- W3136133427 title "Mesoporous Iron(III)-Doped Hydroxyapatite Nanopowders Obtained via Iron Oxalate" @default.
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- W3136133427 doi "https://doi.org/10.3390/nano11030811" @default.
- W3136133427 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8005114" @default.
- W3136133427 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33809993" @default.
- W3136133427 hasPublicationYear "2021" @default.
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