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 20 of 36 for “"simulated body fluid"”.
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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)
… 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 utilized as enhanced-biocompatibility bioactive glass (EBBG) with a …
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Synthesis and Properties of ordered Mesoporous SiO2-CaO Bioactive glasses
… a conventional so-gel route. Immersion tests in simulated body fluid (SBF) were conducted on both of the bioactive glasses to compare the bioactivities between these two glasses. As drug carriers, antibiotic gentamicin was incorporated into the ordered mesoporous bioactive glasses. The drug …
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In-vitro characterization of boronized titanium alloy by means of corrosion and electrochemical impedance spectroscopy methods in simulated body fluids
… Electrochemical Impedance Spectroscopy (ELS) in simulated body fluid. Using electrochemical methods the corrosion rate of boronized titanium decreased from 1.5 x 10^{-4} MPY to 8.67 x 10^{-5} MPY, while the corrosion rate of unboronized titanium decreased from 1.62 x 10^{-4}MPY to 3.42 x …
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A study of nanostructured materials toward coronary artery stenting and DNA-based biosensing
… under dry storage (25 [degrees]C) and in a simulated body fluid at 37 [degrees]C and 5% CO2. Plasma nanocoatings may be suitable in improving stent-vascular interactions. Group B Streptococcus (GBS) is a serious neonatal pathogen resulting in high infant mortalities. Current GBS detection …
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The effect of composition on the viscosity, crystallization and dissolution of simple borate glasses and compositional design of borate based bioactive glasses
… were determined, as were dissolution rates in simulated body fluid (SBF)"--Abstract, page iv.</p>
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Mechanical and Cellular Response to Biomineralization of Ovalbumin Scaffolds for Bone Tissue Engineering
… with cells, and ability to degrade in the body into safe byproducts to be ideal for such an application. However, weak mechanical properties cause hesitation in the use of OVA as a scaffolding material in much stronger native tissue. To enhance the mechanical strength of the OVA scaffolds …
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Indirect Tissue Scaffold Fabrication via Additive Manufacturing and Biomimetic Mineralization
… are surface treated, and then mineralized via simulated body fluid (SBF); forming a bone-like ceramic throughout the scaffold pattern. Finally, mineralized patterns are heat treated to pyrolyze the pattern and sinter the minerals. Two scaffold meso-structures are tested: "tube" and "backfill." …
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Avaliação dos efeitos da variação do teor de zinco nas propriedades das ligas metálicas biocompatíveis do sistema Mg-Zn-Mn-Ca
… em circuito aberto e polarização em SBF (Simulated Body Fluid). Os resultados obtidos evoluíram da liga L2 para liga L4R da seguinte forma: o tamanho de grão reduziu de 203 para 83 µm, a dureza incrementou de 39 para 67 HV, a taxa de degradação reduziu de 8,9 para 5,05 mg/cm² em 240 horas …
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Phosphate and Borophosphate Glasses for optical and Biomedical Applications
… affects the dissolution rates of the glass in simulated body fluid, the pH of the SBF, and the nature of the phosphate phases that precipitate on the glass surface. It remains to be seen if these bioactive responses could be used to design new biomedical devices"--Abstract, p. iv</p>
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Fatigue life modelling of anisotropic styrenic block copolymers for a prosthetic heart valve application
… The calcification test was conducted in a simulated body fluid solution. Calcium levels on the styrenic block copolymers were significantly lower than on bovine pericardium, which is one of the materials used in clinical prosthesis. Durability of the calcified valve was not affected, …
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Production of temporary bone scaffold reinforced with OPEFB-CMC from oil palm empty fruit bunch
… was extended to in-vitro test involving Simulated Body Fluid (SBF) solution to evaluate the biodegradation rate and vi the growing of apatite layer during immersion. The implant had exhibited biodegradation feature parallel to new bone formation. The ability in attracting Calcium (Ca) and …
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In vitro bioactivities of anodised titanium in mixtrue of B-Glycerophosphate and calcium acetate for biomedical application
… After soaked and irradiated with UV in simulated body fluid (SBF) for 7 days, highly crystallised bone-like apatite was fully covered on the anodised surface. Interestingly, the smooth and partially porous surface of the anodised titanium was observed to be fully covered by the bone-like …
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Study on the performance enhancement of biomedical implants: in vitro test under UV irradiation of titanium anodised in mixed electrolyte
… of the TiO2 coating was precipitated by using simulated body fluid (SBF) in the dark and under the ultraviolet (UV) irradiation to mimic the reactions that may occur with the human bone-like cells layer. The testing was done to evaluate the apatite’s microstructure, mineralogy, elements and …
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Resorption rate tunable bioceramic: Si,Zn-modified tricalcium phosphate
… The dissolution study was carried out in the simulated body fluid (SBF) at 37°C. The experimental results show that the dissolution rate decreased with increasing Si and Zn content in TCP. Zinc inhibits HAp precipitation from SBF, while Si induces HAp formation. The additives may modify the …
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Sviluppo e caratterizzazione di materiali innovativi a base di idrossiapatite e vetro bioattivo
… phenomena involved at the glass-physiological fluids interface, a bone-like hydroxycarbonate apatite (HCA) layer is formed on the biomaterial surface, so that a strong bond between the latter one and tissues can be established. It is well known that mechanical and biological properties of …
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Characterization and development of polycaprolactone (PCL)/montmorillonite (MMT)/hydroxapaptite (HA) nano-composites for fused deposition modelling (FDM) process
… (DSC) and thermogravimetry analyzer (TGA). Simulated body fluid (SBF) test was used to assess the bioactivity properties of the composites. The filament wire with the diameter of 1.75+0.05 were fabricated using a single screw extruder with die hole 1.6 mm in diameter. Design of experiment …
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Modulation of cell morphology and function using synthetic biodegradable polymers
… mum. In vitro degradation of these thin films in simulated body fluid was characterized in terms of mass loss, molecular weight loss, dimensional changes, and morphology over a time course of ten weeks. The PLGA films demonstrated a pattern typical of heterogeneous bulk degradation and exhibited …
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Design, Fabrication, and Characterization of Three Dimensional Complete Scaffolds for Bone Tissue Engineering
… the scaffolds when incubated in concentrated simulated body fluid (SBF)10XSBF. Mixture of 10% gelatin and PLLA resulted in the significantly higher degree of mineralization, increased mechanical properties, and scaffolds that supported cellular adhesion and proliferation. In the next step we …
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Bioactive Cellulose Nanocrystal Reinforced 3D Printable Poly(epsilon-caprolactone) Nanocomposite for Bone Tissue Engineering
… oxidized-CNCs (SO-CNCs) has been performed in simulated body fluid in order to evaluate the bioactivity of the surface functional groups, sulfate and carboxyl groups, respectively. PCL nanocomposites were prepared with different SO-CNC contents and the chemical/physical properties of the …
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Synthesis, Characterization and Performance of Gelatin Biopolymer based Nanoparticle Formulations for Molecule Encapsulations
… slow therapeutic release profiles determined in simulated body fluid.
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