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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 14 of 14 for “"glass microspheres"”.
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Glass microspheres for medical applications
"Radioactive dysprosium lithium borate glass microspheres have been developed as biodegradable radiation delivery vehicles for the radiation synovectomy treatment of rheumatoid arthritis. Once injected into a diseased joint, the microspheres deliver a potent dose of radiation to the diseased …
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Crush Strength Analysis of Hollow Glass Microspheres
Porous Wall Hollow Glass Microspheres (PWHGMs) were developed by the Savannah River National Laboratory. What makes these microspheres unique is the interconnected porosity spread throughout their wall allowing various materials to travel from the surface to the hollow interior. With their …
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Integration of glass microspheres and planar waveguides for microsphere lasers
… and etc. In this work, the integration of microspheres with planar waveguides is the main focus. High quality neodymium-doped BK7 microspheres are fabricated and characterised to observe laser oscillation at 1.06 µm from the <sup>4</sup>F<sub>3/2</sub> - <sup>4</sup>I<sub>11/2</sub> …
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Curing Characteristics of Photopolymer Resin With Dispersed Glass Microspheres in Vat Polymerization 3D Printing
… photopolymer resin with dispersed glass microspheres. The experiments show that the curing depth, degree-of-cure, and surface roughness depend on both the light exposure dose and the filler fraction. We determine that the degree-of-cure increases with increasing filler fraction for …
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Mechanical And Computational Evaluation Of Cementitious Materials With Hollow Glass Microsphere Inclusions
… materials by an inert filler known as hollow glass microspheres on elastic properties is evaluated in this study through a combined computational and experimental approach. This approach considered the variation in properties of type I Portland cement for 0, 5, 10, and 15% volume fractions of …
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DOSIMETRIC STUDY OF BETA-MINUS EMITTER PRASEODYMIUM-142 : APPLICATIONS IN MICROSPHERE BRACHYTHERAPY FOR HEPATOCELLULAR CARCINOMA AND BRACHYTHERAPY FOR OCULAR SQUAMOUS CELL CARCINOMA
… emitters are studied in this work: (i) ¹⁴²Pr glass microspheres, as a possible choice of radionuclide for microsphere brachytherapy of nonresectable hepatocellular carcinoma (HCC) and metastasis of the liver, and (ii) ¹⁴²Pr glass rods for brachytherapy of ocular squamous cell carcinoma (OSCC), …
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Development of a light force accelerometer
… uses focused laser light to levitate and trap glass microspheres as proof masses. Acceleration is measured by force rebalancing, which is exerted by radiation pressure from two counter-propagating laser beams. Proof mass displacements are measured by focusing light scattered by the proof mass …
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Improvements in Powder Rheometry Through Novel 3D Printed Tools
… frictional rheology flow curve of noncohesive glass microspheres for shear rates ranging from 0.53s⁻¹ to 5300s⁻¹, or inertial number I ranging from 6.9×10⁻⁵ to 0.95. We also demonstrate that this form of tool is robust against perturbations from aeration, and that data still collapse to the …
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Effects of Electric Fields on Forces between Dielectric Particles in Air
… fields on the forces between two dielectric microspheres. In this work we measured the DC and AC electric field-induced forces and adhesion force between two barium titanate (BaTiO?) glass microspheres in a low humidity environment by this technique. The objective here is to find out the …
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Fabrication and characterization of sintered porous glass emitters for electrospray propulsion
… wafer to produce molds. Soda-lime glass microspheres with a median diameter of about 4[mu]m are then deposited into these molds and sintered to form porous columns with a diameter of 25[mu]mt, 50[mu]rm, or 75[mu]m. These columns become emitters when the device layer is etched with …
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The benefit of precise chemical shift and concentration referencing in NMR applications
… small molecules from loaded porous-wall hollow glass microspheres”--Abstract, page iii.</p>
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Advanced analytical strategies to determine biomedical parameters for medical diagnostics, drug delivery, and therapy
… resonance (NMR) studies of porous wall hollow glass microspheres (PWHGMs) that have the potential to be used as drug delivery carriers. Firstly, a dual-core fiber-optic pH micro-probe was developed which can be used within the biologically relevant pH range from 6.20 - 7.92 (R<sup>2</sup> = …
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Synthesis and Characterisation of new materials formed from metal-organic frameworks and glasses
… exhibited by several MOFs: the ability to form a glass. The hybrid glasses derived from MOFs are markedly different from other glass categories such as organic, inorganic and metallic glasses. A significant proportion of MOF glasses are derived from zeolitic imidazolate frameworks (ZIFs). A ZIF …
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Microcapsule-based techniques for improving the safety of lithium-ion batteries
… by depositing thermoresponsive polymer microspheres onto battery anodes. When the internal temperature of the cell reaches a critical value, the microspheres melt and conformally coat the anode and/or separator with an ion insulating barrier, halting Li-ion transport and shutting down …