Patent application number | Description | Published |
20090071848 | CERIUM OXIDE NANOPARTICLE REGENERATIVE FREE RADICAL SENSOR - An electrochemical sensor system for sensing free radicals or materials which generate free radicals in solution includes a working electrode coated with a plurality of cerium oxide nanoparticles and a counter electrode. A solution to be analyzed provides electrolytes to electrically couple the working electrode to the counter electrode. Electronics are connected to at least one of the working and counter electrodes for measuring and amplifying an electrical current signal generated by reduction or oxidation occurring at the working electrode, wherein in a presence of free radicals an electrical current signal flows between the working electrode and the counter electrode. The system can be used to sense the presence of hydrogen peroxide. | 03-19-2009 |
20090072192 | Synthesis of carbon nanotubes filled with palladium nanoparticles using arc discharge in solution - A novel method for simultaneously forming and filling and decorating carbon nanotubes with palladium nanoparticles is disclosed. Synthesis involves preparing a palladium chloride (PdCl | 03-19-2009 |
20090127505 | Surfactant incorporated nanostructure for pressure drop reduction in oil and gas lines - Nano-sized rare earth metal oxide particles are prepared from aqueous reverse micelles. The engineered nanoparticles have large surface area to volume ratios, and uniformly incorporate a surfactant in each particle, so that when applied to the inner surface of a pipeline or sprayed onto a fluid stream in a pipeline, the particles reduce the roughness of the inside surface of pipe being used to transport fluid. The application of a nanolayer of this novel nanoceria mixture causes a significant reduction in pressure drops, friction, and better recovery and yield of fluid flowing through a pipeline. | 05-21-2009 |
20090252669 | SYNTHESIS OF TETRAGONAL PHASE STABILIZED NANO AND SUBMICRON SIZED NANOPARTICLES - Novel, monodispersed, spherical ZrO | 10-08-2009 |
20100212403 | Room Temperature Hydrogen Sensor - A sensor for selectively determining the presence and measuring the amount of hydrogen in the vicinity of the sensor. The sensor comprises a MEMS device coated with a nanostructured thin film of indium oxide doped tin oxide with an over layer of nanostructured barium cerate with platinum catalyst nanoparticles. Initial exposure to a UV light source, at room temperature, causes burning of organic residues present on the sensor surface and provides a clean surface for sensing hydrogen at room temperature. A giant room temperature hydrogen sensitivity is observed after making the UV source off. The hydrogen sensor of the invention can be usefully employed for the detection of hydrogen in an environment susceptible to the incursion or generation of hydrogen and may be conveniently used at room temperature. | 08-26-2010 |
20100221344 | Functionalized Nanoceria Composition For Ophthalmic Treatment - The invention provides a composition comprising a plurality of nanoceria particles, a sufficient amount of at least one inhibitor of human carbonic anhydrase II associated with said plurality of nanoceria particles, and a pharmaceutically acceptable carrier containing said plurality of nanoceria particles with associated inhibitor. One preferred inhibitor of human carbonic anhydrase II comprises 4-carboxybenzene sulfonamide. The disclosed composition is useful in treatment of glaucoma. | 09-02-2010 |
20100263774 | Burn Rate Sensitization of Solid Propellants Using a Nano-Titania Additive - Adding nanoparticles as a catalyst to solid propellant fuel to increase and enhance burn rates of the fuel by up to 10 times or more and/or modifying the pressure index. A preferred embodiment uses TiO | 10-21-2010 |
20110112272 | STRUCTURAL MATERIALS WITH NEARLY ZERO CARBON EMISSIONS - Processes and methods of making and preparing, compositions and structural products therefrom are provided, whereby the surface area of alumino-silicate based powders is greatly increased and rendered chemically active so that when the functionalized powders are mixed with water poly-condensation reactions occur between the surfaces binding the powders together to form a structural material with negligible emission of carbon compounds. In another embodiment, the surface functionalized powders can be mixed with an additive; a dry aggregate, such as sand and water to make a slurry that can be poured or cast into any desired shape and rapidly cured to a hardened shape suitable for use as a structural material with the mechanical strength equivalent to Portland-cement based concrete products. In additional embodiments, the alumino-silicate based powders are nano-functionalized and foam functionalized to provide light weight and structurally strong materials that can also be used in combination with or as replacement for Portland-cement. | 05-12-2011 |
20110135740 | TISSUE SUBSTITUTES COMPRISING STEM CELLS AND REDUCED CERIA - A biocompatible composite includes a solid biocompatible material and a plurality of living human progenitor or living stem cells attached thereto. The composition resulting in accelerated repair to damaged bones and tissues. | 06-09-2011 |
20110159056 | METHODS AND MATERIALS FOR STIMULATING PROLIFERATION OF STEM CELLS - Disclosed herein are methods and materials for influencing proliferation of stem cells. Specifically exemplified herein are compositions comprising cerium oxide nanoparticles which can be used to stimulate proliferation of stem cells under common culture conditions, or which can be utilized to improve therapeutic outcomes. | 06-30-2011 |
20110268662 | FUNCTIONALIZED NANOCERIA COMPOSITION FOR OPHTHALMIC TREATMENT - The invention provides a composition comprising a plurality of nanoceria particles, a sufficient amount of at least one inhibitor of human carbonic anhydrase II associated with said plurality of nanoceria particles, and a pharmaceutically acceptable carrier containing said plurality of nanoceria particles with associated inhibitor. One preferred inhibitor of human carbonic anhydrase II comprises 4-carboxybenzene sulfonamide. The disclosed composition is useful in treatment of glaucoma. | 11-03-2011 |
20110319259 | Advanced catalyst system prepared from a whiskered aluminum-containing metallic alloy substrate - A method for whisker formation on the surface of aluminum-containing metallic alloy fibers and substrates provides a support structure for many technical, medical and pharmaceutical applications. The novel surface modification of metallic alloy fibers and other metallic substrates involves heating the fiber or substrate in air at temperatures ranging from approximately 800° C. to approximately 1000° C. for a period of time ranging from approximately 10 hours to approximately 100 hours to form whiskers. The use of a metal oxide coating with large ions, such as zirconium oxide, allows the formation of alumina whiskers while preserving the structural integrity of the metallic alloy substrate. Uses of the present invention include, but are not limited to an advanced catalyst support, a highly efficient filter medium, a support for implants and the like. | 12-29-2011 |
20130123515 | FUNCTIONALIZED NANOCERIA COMPOSITION FOR OPHTHALMIC TREATMENT - The invention provides a composition comprising a plurality of nanoceria particles, a sufficient amount of at least one inhibitor of human carbonic anhydrase II associated with said plurality of nanoceria particles, and a pharmaceutically acceptable carrier containing said plurality of nanoceria particles with associated inhibitor. One preferred inhibitor of human carbonic anhydrase II comprises 4-carboxybenzene sulfonamide. The disclosed composition is useful in treatment of glaucoma. | 05-16-2013 |
20150056283 | METHODS OF USING CERIUM OXIDE NANOPARTICLES TO MITIGATE OR PROTECT AGAINST RADIATION INJURY - Methods of mitigating the effects of radiation exposure or providing a radioprotective effect in a subject are provided herein. The methods include administering a therapeutically effective amount of cerium oxide nanoparticles to the subject to mitigate the effects of radiation exposure or to offer a radioprotective effect to the subject. The cerium oxide nanoparticles are suitably less than 20 nm in diameter and have over 50% of the cerium in the 3+ oxidation state. | 02-26-2015 |