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dc.contributor.authorRoohani-Esfahani, S.en
dc.contributor.authorDunstan, C.en
dc.contributor.authorLi, J.en
dc.contributor.authorLu, Z.en
dc.contributor.authorDavies, B.en
dc.contributor.authorPearce, S.en
dc.contributor.authorField, J.en
dc.contributor.authorWilliams, R.en
dc.contributor.authorZreiqat, H.en
dc.identifier.citationActa Biomaterialia, 2013; 9(6):7014-7024en
dc.description.abstractDuring the past two decades, research on ceramic scaffolds for bone regeneration has progressed rapidly; however, currently available porous scaffolds remain unsuitable for load-bearing applications. The key to success is to apply microstructural design strategies to develop ceramic scaffolds with mechanical properties approaching those of bone. Here we report on the development of a unique microstructurally designed ceramic scaffold, strontium-hardystonite-gahnite (Sr-HT-gahnite), with 85% porosity, 500μm pore size, a competitive compressive strength of 4.1±0.3MPa and a compressive modulus of 170±20MPa. The in vitro biocompatibility of the scaffolds was studied using primary human bone-derived cells. The ability of Sr-HT-gahnite scaffolds to repair critical-sized bone defects was also investigated in a rabbit radius under normal load, with β-tricalcium phosphate/hydroxyapatite scaffolds used in the control group. Studies with primary human osteoblast cultures confirmed the bioactivity of these scaffolds, and regeneration of rabbit radial critical defects demonstrated that this material induces new bone defect bridging, with clear evidence of regeneration of original radial architecture and bone marrow environment.en
dc.description.statementofresponsibilityS.I. Roohani-Esfahani, C.R. Dunstan, J.J. Li, Zufu Lu, B. Davies, S. Pearce, J. Field, R. Williams, H. Zreiqaten
dc.publisherElsevier BVen
dc.rights© 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.en
dc.subjectBone regeneration; Scaffold; Osteoconduction; In vivo test; In vitro testen
dc.titleUnique microstructural design of ceramic scaffolds for bone regeneration under loaden
dc.typeJournal articleen
Appears in Collections:Adelaide Microscopy publications

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