Abstract: Methods and devices relating to polymer-bioceramic composite implantable medical devices, such as stents are disclosed. A suspension solution is formed including a fluid, a biodegradable polymer, and bioceramic particles. The biodegradable polymer and particles are precipitated from the suspension to form a mixture. A composite is formed by combining the mixture with another polymer and a scaffolding is formed from the composite.

Abstract: A droplet generation system includes a first nozzle configuration structured to receive a liquid and a gas under pressure in a controllable feed ratio, and to merge the liquid and gas to form an intermediate stream that is a mixture of the gas and of a dispersed phase of the liquid. A second nozzle configuration is connected to receive the intermediate stream from the first nozzle configuration and has a valve mechanism with one or more controllable operating parameters to emit a stream of droplets of the liquid. The mean size of the droplets is dependent on the controllable feed ratio of the liquid and gas and the flow rate of the stream of droplets is dependent on the controllable operating parameter(s) of the valve mechanism. A corresponding method is disclosed, as is the application of the system and method to the production of nanoparticles in a thermochemical reactor.

Abstract: A method of making a sandwich of impact resistant material, the method comprising: providing a powder; performing a spark plasma sintering process on powder to form a tile; and coupling a ductile backing layer to the tile. In some embodiments, the powder comprises micron-sized particles. In some embodiments, the powder comprises nano-particles. In some embodiments, the powder comprises silicon carbide particles. In some embodiments, the powder comprises boron carbide particles. In some embodiments, the ductile backing layer comprises an adhesive layer. In some embodiments, the ductile backing layer comprises: a layer of polyethylene fibers; and an adhesive layer coupling the layer of polyethylene fibers to the tile, wherein the adhesive layer comprises a thickness of 1 to 3 millimeters.

Abstract: A quantum nanomaterial having a bandgap that may be tuned to enable the quantum nanomaterial to detect IR radiation in selected regions including throughout the MWIR region and into the LWIR region is provided. The quantum nanomaterials may include tin telluride (SnTe) nanomaterials and/or lead tin telluride (PbxSn1-xTe) nanomaterials. Additionally, a method of manufacturing nanomaterial that is tunable for detecting IR radiation in selected regions, such as throughout the MWIR region and into the LWIR region, is also provided.

Abstract: Provided is a process for producing satisfactory particles held in porous silica. The process comprises (a) the step of preparing porous silica, (b) the step of bringing the porous silica into contact with a liquid which contains either a metal or a compound that has the metal as a component element and infiltrating the liquid into the pores of the porous silica, and (c) the step of subjecting, after the step (b), the impregnated porous silica to a heat treatment to thereby form fine particles comprising the metal or the metal compound in the pores of the porous silica. When porous silica is synthesized by hydrolyzing an alkoxysilane in a solvent-free system, it is possible to synthesize porous silica having a fine pore diameter. Use of this porous silica as a template facilitates formation of particles (e.g., W, Cu, Cr, Mn, Fe, Co, or Ni or an oxide of any of these metals) that show peculiar properties not observed in the bulk material.

Abstract: A nanocomposite fluid includes a fluid medium; and a nanoparticle composition comprising nanoparticles which are electrically insulating and thermally conductive. A method of making the nanocomposite fluid includes forming boron nitride nanoparticles; dispersing the boron nitride nanoparticles in a solvent; combining the boron nitride nanoparticles and a fluid medium; and removing the solvent.

Abstract: Presently described are methods of inhibiting water vapor adsorption of a powder and methods of storing a powder at increased humidity level. The methods comprise providing adding discrete hydrophobic nanoparticles to a plurality of particles.

Abstract: A method of forming an oxide-dispersion strengthened alloy and a method for forming an oxide-alloy powder where the oxide-nanoparticles are evenly distributed throughout the powder. The method is comprised of the steps of forming an oxide-nanoparticles colloid, mixing the oxide-nanoparticles colloid with alloy-microparticles forming an oxide-alloy colloid, drying the oxide-alloy colloid solution to form an oxide-alloy powder, applying pressure to the oxide-alloy powder, and heating the oxide-alloy powder to a sintering temperature. The oxide-nanoparticles are sized to be between 1-10 nanometers in diameter. The ratio of oxide-nanoparticles to alloy-microparticles should be 1-5% by weight. Heating of the oxide-alloy powder can use a spark plasma sintering process.

Abstract: A photoluminescent or electroluminescent system and method of making a non-luminescent nanostructured material into such a luminescent system is presented. The method of preparing the luminescent system, generally, comprises the steps of modifying the surface of a nanostructured material to create isolated regions to act as luminescent centers and to create a charge imbalance on the surface; applying more than one polar molecule to the charged surface of the nanostructured material; and orienting the polar molecules to compensate for the charge imbalance on the surface of the nanostructured material. The compensation of the surface charge imbalance by the polar molecules allows the isolated regions to exhibit luminescence.

Abstract: Disclosed is a dental cement composition made up of ingredients comprising the nanoparticles of dicalcium and tricalcium silicate, bismuth oxide, gypsum, zeolite and strontium carbonate. The dental cement can also be used as bone cement, pulpotomy agent, pulp capping material, dental implant material, perforation repair material, and root-end filling material.

Abstract: Monodisperse metal oxide nanopowders are prepared by treating a dispersion of crude metal oxide nanopowder with ultrasonication, allowing the dispersion to settle, and subjecting the remaining suspended portion to centrifugation to obtain a supernatant comprising metal oxide nanopowder.

Abstract: The present invention relates to a method for forming a catalyst comprising catalytic nanoparticles and a catalyst support, wherein the catalytic nanoparticles are embedded in the catalyst support, comprising forming the catalytic nanoparticles on carbon particle, dispersing the carbon particle in a solution comprising precursors of the catalyst support to form a suspension, heating the suspension to form a gel, subjecting the gel to incineration to form a powder, and sintering the powder to form the catalyst.

Abstract: A series of binary and ternary Pt-alloys, that promote the important reactions for catalysis at an alloy surface; oxygen reduction, hydrogen oxidation, and hydrogen and oxygen evolution. The first two of these reactions are essential when applying the alloy for use in a PEMFC.

Abstract: A method of making ceramic articles includes compounding ceramic precursor batch components that include hydrous clay. The hydrous clay includes particle components having a platy geometry. The crystallite size of the platy hydrous clay particle components is less than a predetermined amount. Controlling such crystallite size can result in fired ceramic articles with a lower coefficient of thermal expansion and improved thermal shock resistance.

Abstract: Catalyst compositions include finely divided nanoscale particles of at least one supported oxide, based on a zirconium oxide, a titanium oxide or a mixed zirconium/titanium oxide deposited onto a silica based support, wherein, after calcination for 4 hours at 900° C., the supported oxide is in the form of nanoscale particles deposited onto the support, the size of the particles being at most 5 nm when the at least one supported oxide is based on a zirconium oxide, being at most 10 nm when the at least one supported oxide is based on a titanium oxide and being at most 8 nm when the at least one supported oxide is based on a mixed zirconium/titanium oxide; such catalyst compositions are especially useful for the selective reduction of NOx.

Abstract: The disclosed subject concerns nanometric-sized ceramic materials in the form of multiple crystalline structures, composites, or solid solutions, the process for their synthesis, and uses thereof. These materials are mainly obtained by detonation of two water-in-oil (W/O) emulsions, one of which is prepared with precursors in order to present a detonation regime with temperature lower than 2000° C., and they present a high chemical and crystalline phase homogeneity, individually for each particle, as well as a set of complementary properties adjustable according to the final applications, such as a homogeneous distribution of the primary particles, very high chemical purity level, crystallite size below 50 nm, surface areas by mass unit between 25 and 500 m2/g, and true particle densities higher than 98% of the theoretical density.

Abstract: The present invention provides a nanostructured composite material of ?-alumina-doped zirconia stabilised with cerium oxide and zirconia-doped ?-alumina, the process for obtaining it and the applications thereof, such as knee prostheses, hip prostheses, dental implants, mechanical components for pumps, alkaline batteries, ceramic components for stereotactic neurology, cutting tools, etc.

Abstract: A process for forming thermoelectric nanoparticles includes the steps of providing a core material and a bismuth containing compound in a reverse micelle; providing a tellurium containing compound either in or not in a reverse micelle; reacting the bismuth containing compound with the tellurium containing compound in the presence of a base, forming a composite thermoelectric nanoparticle having a core and shell structure.

Abstract: The present disclosure relates to a fluid purification device that has a deactivation resistant photocatalyst having nanocrystallites of less than 14 nanometers (nm) in diameter with at least 200 m2 surface area/cm3 of skeletal volume in cylindrical pores of 5 nm in diameter or larger, with the mode of the pore size distribution 10 nm or more.

Abstract: A process for the production of an aqueous dispersion of metal nano particles comprising palladium is provided. The process comprises the admixture of a water soluble organic polymer, a palladium salt and a first reducing agent to an aqueous liquid. The first reducing agent is a metal-containing polymer which has reducing properties or a saccharide which has reducing properties. The nano particles can include a second metal. The dispersions can be used as catalysts for electroless plating, to produce heterogeneous catalysts and in the production of anti-microbial devices and compositions.

Abstract: The present invention relates to a method for fabricating a thin film formed with a uniform single-size monolayer of spherical AZO nanoparticles. Because of its own advantages in cost and transparency, Al-doped ZnO (AZO) transparent conductive film is becoming the most commonly used transparent conducting oxide (TCO) replacement for solar cells. In this invention, a colloidal chemical means is adopted for enabling a chemical reaction between metal salts, water, and polyhydric alcohols at a room-temperature environment, and thereby, a process for fabricating spherical AZO nanoparticles in a diameter ranged between 100 nm to 400 nm according to different parameter configurations can be achieved while controlling the actual Al/Zn ratio to be ranged between 0.1% to 3%. In addition, a dip coating means is adopted for densely distributing the spherical AZO nanoparticles on a substrate into a monolayer close-packed structure.

Abstract: The present invention relates to a composite luminophore comprising an inorganic matrix and an organic fluorescent dye, wherein the inorganic matrix is formed from an inorganic compound, and wherein the organic fluorescent dye has one or more functional groups by means of which the fluorescent dye is incorporated into the inorganic matrix, or is bound chemically thereto. The present invention further relates to a process for preparing such a composite luminophore and to the use thereof.

Abstract: A new type of solid acid catalyst, which promises better catalytic performance than conventionally prepared supported metal oxides due to its precisely synthesized nanostructure has been described. The catalyst is nanoparticulate in form and is comprised of monolayers of tungstated zirconia of the formula, WOxZryO4-2y made by impregnating a support with zirconium and tungsten. The support catalyst is further characterized in having a tugsten monolayer between greater than 0001 W/nm2 to about 30 W/nm2.

Abstract: Improved mechanical properties of either clay or carbon nanotube (CNT)-reinforced polymer matrix nanocomposites are obtained by pre-treating nanoparticles and polymer pellets prior to a melt compounding process. The clay or CNTs are coated onto the surfaces of the polymer pellets by a milling process. The introduction of moisture into the mixture of the nanoparticles and the polymer pellets results in the nanoparticles more easily, firmly, and thoroughly coating onto the surfaces of the polymer pellets.

Abstract: A method of making ceramic articles includes compounding ceramic precursor batch components that include hydrous clay. The hydrous clay includes particle components having a platy geometry. The crystallite size of the platy hydrous clay particle components is greater than a predetermined amount. Controlling such crystallite size can result in reduced shrinkage of green ware during the clay dehydroxylation stage of firing.

Abstract: A component including a substrate, at least one layer including a color conversion material including quantum dots disposed over the substrate, and a layer including a conductive material (e.g., indium-tin-oxide) disposed over the at least one layer. (Embodiments of such component are also referred to herein as a QD light-enhancement substrate (QD-LES).) In certain preferred embodiments, the substrate is transparent to light, for example, visible light, ultraviolet light, and/or infrared radiation. In certain embodiments, the substrate is flexible. In certain embodiments, the substrate includes an outcoupling element (e.g., a microlens array). A film including a color conversion material including quantum dots and a conductive material is also provided. In certain embodiments, a component includes a film described herein. Lighting devices are also provided. In certain embodiments, a lighting device includes a film described herein.

Abstract: A method of preparing lithium titanate nanoparticles, the method including: feeding reactants including lithium and titanium into a reactor, followed by mixing the reactants in the reactor at a molecular level; and generating a crystal nucleus by chemically reacting the reactants in the reactor.

Abstract: Polyester nanocomposite compositions contain silica nanoparticles that have been subjected to surface treatment with novel trialkoxysilane compositions. The novel silane compositions are prepared by reacting a 3-isocyanatopropyl trialkoxysilane with 1,3-propanediol or certain polyether diols. The silica nanoparticles exhibit improved dispersion in the polyester. This leads to haze reduction and improvements in mechanical properties.

Abstract: A method for preparing yttrium barium copper oxide (“YBCO”; “Y-123”; YBa2Cu3O7-x) superconducting nanoparticles is disclosed. The YBCO superconducting nanoparticles are prepared via a solid-state reaction by a solid-state reaction of an yttrium precursor, a barium precursor, and a copper precursor. One or more of the precursors are metal chelate compounds having acetylacetone ligands, which are highly stable and have a high compatibility with the other precursors.

Abstract: Nanocomposites of multi-phase metal oxide ceramics have been produced from water soluble salts of the resulting metal oxides by a foaming esterification sol-gel method. The evolution of volatile gases at elevated temperature during the esterification reaction causes the formation of a foam product. Nanocomposites of multi-phase metal oxide ceramics have also been produced by a cation polymer precursor method. In this second method, the metal cations are chelated by the polymer and the resulting product is gelled and foamed. Calcination of the resulting foams gives nanocomposite powders with extremely fine, uniform grains and phase domains. These microstructures are remarkably stable both under post-calcination heat treatment and during consolidation by hot-pressing.

Abstract: A method for making a self-dispersing cerium oxide nanoparticles additive for lubricants, a lubricant composition containing the nanoparticles and a method for reducing boundary friction using the nanoparticles. The nanoparticles are made by an improved process of reacting a mixture of organo-cerium salt, fatty acid, and amine in the substantial absence of water and organic solvent at a temperature ranging from about 150° to about 250° C., the improvement comprising reacting the organo-cerium salt, fatty acid and amine in a molar ratio ranging from about 1:1:1 to about 1:2:2 in the reaction mixture to provide the reaction product comprising from about 20 to about 40% by weight of the nanoparticles in a substantially organic medium.

Abstract: A method for mitigating eutrophication in a water body includes: adding a treating agent that contains nanosilicate platelets to an eutrophic water body, such that algae and suspended substances in the eutrophic water body are adsorbed by the nanosilicate platelets.

Abstract: A method of synthesizing nanoparticles, comprising providing a precursor comprising a titanium alkoxide compound; forming a plasma from oxygen gas at a first location, wherein the plasma comprises plasma products that contain oxygen atoms; causing the plasma products to flow to a second location remote from the first location; contacting the precursor with the plasma products at the second location so as to oxidize the precursor and form nanoparticles; and collecting the nanoparticles with a collector.

Abstract: A transparent polycrystalline ceramic having scattering and absorption loss less than 0.2/cm over a region comprising more than 95% of the originally densified shape and a process for fabricating the same by hot pressing. The ceramic can be any suitable ceramic such as yttria (Y2O3) or scandia (Sc2O3) and can have a doping level of from 0 to 20% and a grain size of greater than 30 ?m, although the grains can also be smaller than 30 ?m. Ceramic nanoparticles can be coated with a sintering aid to minimize direct contact of adjacent ceramic powder particles and then baked at high temperatures to remove impurities from the coated particles. The thus-coated particles can then be densified by hot pressing into the final ceramic product. The invention further provides a transparent polycrystalline ceramic solid-state laser material and a laser using the hot pressed polycrystalline ceramic.

Abstract: There are provided a method of manufacturing a ceramic powder having a perovskite structure and a ceramic powder having a perovskite structure manufactured by the same. The method includes: mixing a compound of an element corresponding to site A in an ABO3 perovskite structure as well as a compound of an element corresponding to site B in the same structure, with supercritical water in a continuous mode to form seed crystals; and mixing the seed crystals in a batch mode to conduct grain growth thereof.

Abstract: The present invention is directed to a hybrid device comprising: an energy converting unit comprising a first electrode, a second electrode and an energy converting medium arranged between the first electrode and the second electrode, wherein the energy conversion takes place between the first electrode and the second electrode; an energy charge storing unit comprising a first electrode, a second electrode and an electrolyte medium; wherein the energy charge is stored between the first and the second electrode; the second electrode of the energy converting unit and the second electrode of the energy charge storing unit being a shared electrode electrically connecting the energy converting unit and the energy charge storing unit; and wherein the shared electrode comprises a metal and a nanostructured material. The present invention is also directed to a method of manufacturing such a hybrid device.

Abstract: A touch screen includes a substrate, and a coating attached to the substrate. The coating includes titanium dioxide and cadmium selenide in a relative weight ratio of about 3:1. The particle size of the titanium dioxide is about 2 nanometers. The particle size of the cadmium selenide ranges from about 2.3 to about 3.7 nanometers.

Abstract: Some or all of the needs above can be addressed by embodiments of the invention. According to embodiments of the invention, systems and methods for facilitating hydrogen storage using naturally occurring nanostructure assemblies can be implemented. In one embodiment, a method for storing hydrogen can be provided. The method can include providing diatoms comprising diatomaceous earth or diatoms from a predefined culture. In addition, the method can include heating the diatoms in a sealed environment in the presence of at least one of titanium, a transition metal, or a noble metal to provide a porous hydrogen storage medium. Furthermore, the method can include exposing the porous hydrogen storage medium to hydrogen. In addition, the method can include storing at least a portion of the hydrogen in the porous hydrogen storage medium.

Abstract: There are provided a conductive paste composition for a termination electrode, and a multilayer ceramic capacitor including the same and a manufacturing method thereof. The conductive paste composition includes 100 parts by weight of conductive metal powder and 0.1 to 10 parts by weight of ceramic powder having an average particle size of 50 to 500 nm. The conductive paste composition described above may achieve a high firing density even in the case that it is used in the manufacturing of a thin film, and inhibit the occurrence of blisters, a delamination failure of the termination electrode during calcination of the electrode, thereby producing a compact and thin film.

Abstract: The inventive method for forming nano-dimensional clusters consists in introducing a solution containing a cluster-forming material into nano-pores of natural or artificial origin contained in a substrate material and in subsequently exposing said solution to a laser radiation pulse in such a way that a low-temperature plasma producing a gaseous medium in the domain of the existence thereof, wherein a cluster material is returned to a pure material by the crystallization thereof on a liquid substrate while the plasma is cooling, occurs, thereby forming mono-crystal quantum dots spliced with the substrate material. Said method makes it possible to form two- or three-dimensional cluster lattices and clusters spliced with each other from different materials. The invention also makes it possible to produce wires from different materials in the substrate nano-cavities and the quantum dots from the solution micro-drops distributed through an organic material applied to a glass.

Abstract: Metal oxide nanoparticles, production method thereof, light-emitting element assembly, and an optical material are provided. A method of producing metal oxide nanoparticles includes the steps of (A) mixing a first metal alkoxide containing a first metal, a second metal alkoxide containing a second metal different from the first metal, and a surfactant under an inert atmosphere to prepare a reaction solution; and (B) mixing a reaction initiator prepared by mixing a catalyst with a solvent and the reaction solution, and then heating the mixture of the reaction initiator and the reaction solution under an inert atmosphere to produce metal oxide nanoparticles which have a rutile-type crystal structure based on an atom of the first metal, an atom of the second metal, and an oxygen atom, and the surfaces of which are coated with the surfactant.

Abstract: Titanium oxide particles having a particle having a decahedral box-shape and a particle size in a range of from 1 nm to 100 nm can be selectively and efficiently produced by carrying out a method in which in a case of oxidizing titanium tetrachloride in vapor at high temperatures, it is rapidly heated and cooled, and a method, in which water vapor is used as an oxidizing gas, in combination under certain conditions.

Abstract: A micro bead having a digitally coded structure that is partially transmissive and opaque to light. The pattern of transmitted light is determined by to decode the bead. The coded bead may be structured a series of alternating light transmissive and opaque sections, with relative positions, widths and spacing resembling a 1D or 2D bar code image. To decode the image, the alternating transmissive and opaque sections of the body are scanned in analogous fashion to bar code scanning. The coded bead may be coated or immobilized with a capture or probe to effect a desired bioassay. The coded bead may include a paramagnetic material. A bioanalysis system conducts high throughput bioanalysis using the coded bead, including a reaction detection zone and a decoding zone.

Abstract: Disclosed are a glass composition and a dielectric composition enabling low temperature sintering, and a high capacitance multilayer ceramic capacitor using the same. In the glass composition used for sintering, the glass composition may be formed of a formula, aR2O-bCaO-cZnO-dBaO-eB2O3-fAl2O3-gSiO2, and the formula may satisfy a+b+c+d+e+f+g=100, 0?a?7, 1?b?3, 1?c?15, 10?d?20, 3?e?10, 0?f?3, and 55?g?72. Through this, when manufacturing the high capacity multilayer ceramic capacitor, the dielectric substance may enable the lower temperature sintering, thereby enhancing a capacitance and a reliability of the high capacitance multilayer ceramic capacitor.

Abstract: A transparent polycrystalline ceramic having scattering and absorption loss less than 0.2/cm over a region comprising more than 95% of the originally densified shape and further provides a process for fabricating the same by hot pressing. The ceramic can be any suitable ceramic such as yttria (Y2O3) or scandia (Sc2O3) and can have a doping level of from 0 to 20% and a grain size of greater than 30 ?m, although the grains can also be smaller than 30 ?m. In a process for making a transparent polycrystalline ceramic in accordance with the present invention, ceramic nanoparticles can be coated with a sintering aid to minimize direct contact of adjacent ceramic powder particles and then baked at high temperatures to remove impurities from the coated particles. The thus-coated particles can then be densified by hot pressing into the final ceramic product. The invention further provides a transparent polycrystalline ceramic solid-state laser material and a laser using the hot pressed polycrystalline ceramic.

Abstract: This invention relates, in general, to a method of producing magnetic oxide nanoparticles or metal oxide nanoparticles and, more particularly, to a method of producing magnetic or metal oxide nanoparticles, which comprises (1) adding a magnetic or metal precursor to a surfactant or a solvent containing the surfactant to produce a mixed solution, (2) heating the mixed solution to 50-6001 C to decompose the magnetic or metal precursor by heating so as to form the magnetic or metal oxide nanoparticles, and (3) separating the magnetic or metal oxide nanoparticles. Since the method is achieved through a simple process without using an oxidizing agent or a reducing agent, it is possible to simply mass-produce uniform magnetic or metal oxide nanoparticles having desired sizes compared to the conventional method.

Abstract: A composite material for use in a sensing electrode. The composite material comprises a first phase and a second phase. The first phase consists essentially of Bi2Ru2O7+x wherein x is a value between 0 and 1 and the second phase consists essentially of RuO2.

Abstract: A composite material being excellent in heat conductivity is provided. In order to realize this, a fibrous carbon material made of fine tube form structures constituted with single-layer or multiple-layer graphene is present to form a plurality of layers within a substrate made from a spark plasma sintered body of a metal powder, a mixed powder of a metal and ceramics, or a ceramic powder. The fibrous carbon material constituting each layer is made of a mixture obtained by mixing a small amount of a small diameter fiber 2 having an average diameter of 100 nm or less with a large diameter fiber 1 having an average diameter of 500 nm to 100 ?m.

Abstract: The present invention relates to (1) hollow silica particles including an outer shell portion having a mesoporous structure with an average pore size of from 1 to 10 nm, wherein the silica particles have an average particle diameter of from 0.05 to 10 ?m, and 80% or more of the whole silica particles have a particle diameter falling within the range of ±30% of the average particle diameter; (2) composite silica particles including silica particles which include an outer shell portion having a mesoporous structure with an average pore size of from 1 to 10 nm, and have a BET specific surface area of 100 m2/g or more, and a hydrophobic organic compound or a polymeric organic compound incorporated inside of the silica particles; and a process for producing the hollow silica particles.

Abstract: The invention relates to a functionally graded material shape (1) where a first material (M1) is fused with a second material (M2) through sintering and a method of production of said functionally graded material shape (1). Said first material (M1) has a first coefficient of thermal expansion (?1) and said second material (M2) has a second coefficient of thermal expansion (?2), differing from the first coefficient of thermal expansion (?1). The invention is characterized in that the shape (1) further comprises a third material (M3) adapted to, together with M1 and M2, create an intermediate composite material phase intermixed between the first and the second materials (M1, M2). Said third material (M3) has a coefficient of thermal expansion (?3) intermediate between the first coefficient of thermal expansion (?1) of the first material (M1) and the second coefficient of thermal expansion (?2) of the second material (M2).