Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 16 of 16 for “"Bioactive glass"”.
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Innovative Apatite/Bioactive Glass-based materials for biomedical applications
… phosphates (in particular hydroxyapatite) and bioactive glasses, recently gained much attention due to their characteristics as promising materials for the treatment of non-self-healing bone defects. Indeed, they display biocompatibility, good bioactivity and non-toxicity. Despite these, …
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Borate based bioactive glass scaffolds for hard and soft tissue engineering
… objectives of this dissertation were to evaluate bioactive borate glass scaffolds for hard and soft tissue applications and determine the potential toxicity of the borate glasses on the adjacent and systemic tissues. Porous randomly oriented fiber scaffolds composed of bioactive borate glass were …
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Development and characterization of sintered porous bioactive glass scaffolds for medical application
… function. This study focuses on researching bioactive glass scaffolds resembling natural trabecular bone tissues that are widely used in medical applications. The research investigates the relationship between processing parameters and the resulting microstructures of borosilicate, …
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Freeze casting of bioactive glass and ceramic scaffolds for bone tissue engineering
… dissertation were to explore the production of bioactive ceramic and glass scaffolds with oriented pore architectures by unidirectional freezing of suspensions, and to characterize the mechanical and biological performance of the scaffolds. Freezing of aqueous suspensions of hydroxyapatite (HA) …
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Selective laser sintering of bioactive glass scaffolds and their biological assessment for bone repair
… objectives of this dissertation were to develop bioactive glass (BG) scaffolds using the SLS process and evaluate the scaffolds for their effectiveness in bone repair both <em>in vitro</em> and <em>in vivo</em>. 13-93 glass, a silicate based BG, and 13-93B3 glass, a borate based BG, are designed …
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Study of Calcium Phosphate Formation Driven by the Dissolution of a 45S5 Bioactive Glass
… taken to study CaP mineralisation driven by bioglass dissolution, mainly examining the solid-liquid interface and the BG after-reaction surface. Electron microscopy techniques were used, including liquid phase transmission electron microscopy (LP-TEM), scanning electron microscopy, and FIB …
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Investigation of PCL/Bioactive Glass and PCL/Alumina-Toughened Zirconia Composites for Bone Tissue Engineering
L'abstract è presente nell'allegato / the abstract is in the attachment
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Enhancement of bioactive glass biocompatibility by deposition of titanium nanofibres generated by the High Intensity Laser Induced Reverse Transfer Method (HILIRT)
… the structure and properties of the surface of bioactive glass and how to make this structure biocompatible with the human body. In this research, glass biocompatibility was increased using a deposition method called high intensity laser induced reverse transfer (HILIRT), and the samples were …
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Produção, caracterização e avaliação in vitro de filmes finos de vidro niobo-fosfato por deposição a laser pulsado
… properties. Among the different treatments, bioactive materials coatings stand out. In this work, thin niobo-phosphate bioactive glass (CaF2-CaONb2O5-P2O5) films were deposited by pulsed laser deposition (PLD) on Ti substrates aiming to enhance its bioactivity and osseointegration. Samples …
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Biosynthesis of polyhydroxyalkanoates and their medical applications
… these polymers are combined with inorganic bioactive materials, such as bioactive glass, to increase their applicability in bone TE. Also, there is a growing need to apply these scaffolds for applications such as drug delivery. For the first part of this study, a solid-in-oil-water (s/o/w) …
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Assessment of Injection Behavior of Commercially-available Bone BSMS for Subchondroplasty Procedures
… with different weight percentage ratios of bioactive glass fibers and beads. Overall, adding bioactive components to AccuFill did not affect injection force and delivery of material (p<0.05). Adding 10% wt glass fibers increased compressive strength of the new BSM by 15%. This study is the …
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The Degradation of Resin Materials Bonded to Dentine in the Root Canal by the Activation of Matrix Metalloproteinases
… on this enzymatic activity is well established. Bioactive glass materials can also reduce the resin-dentine interface leakage through biomimetic remineralisation of the dentine.<br/><br/>In this study the commercially available self-adhesive self-cure resin cement RelyX<sup>TM</sup> Unicem …
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Hybridisation of dental hard tissues with modified adhesive systems: therapeutic impact of bioactive silicate compounds on bonding to dentine
… phosphosilicates, such as commercially available bioactive glass, and calcium-silicate Portland-derived cements are known to promote the formation of apatite in aqueous environments that contain calcium and phosphate (e.g. saliva); thus, we have raised questions about whether their presence at the …
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Mineralized Bionanoparticle Pickering Emulsions
… mineralization. A pre-incubation step on bioactive glass particles was necessary to induce HAP growth with SBF at physiological concentrations. Further, 1.5-fold concentrated SBF solution (1.5 SBF/cit) and an oversaturated calcium phosphate solution (Ca/P/cit), both containing citrate, …
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Biomaterials for bone regeneration
… bone repair: calcium phosphate microspheres and bioactive silicate glass scaffolds. These biomaterials were prepared with modified compositions and microstructures and then were evaluated for bone regeneration.</p> <p>The open HA microspheres with dense convex surfaces and rough and porous …