Patent application number | Description | Published |
20080251763 | Method For Preparing Phosphor and Phosphor - Disclosed is a method of preparing a phosphor which exhibits superior optical characteristics and improved resistance to deterioration, comprising the steps of subjecting a phosphor precursor obtained by a liquid phase process to a first calcination under an oxygen-containing atmosphere at a prescribed temperature and then subjecting the calcined phosphor precursor to a second calcination at a temperature lower than the temperature of the first calcination. | 10-16-2008 |
20090014688 | Semiconductor Nanoparticles and Manufacturing Method of The Same - A process for the production of semiconductor nanoparticles which realizes both uniform crystallite size and high crystallinity with the agglomeration thereof inhibited. This process is characterized by comprising the step (a) of generating nano-size particles from a semiconductor raw material and dispersing the particles in a gas phase, the step (b) of heat-treating the particles while keeping the particles in a state dispersed in the gas phase, and the step (c) of collecting the heat-treated particles immediately after the heat treatment with a solution of a surface modifier for modifying the surfaces of the particles. | 01-15-2009 |
20090060825 | PRODUCTION METHOD OF NANOPARTICLE - A production method of nano-sized silicon crystal particles comprising the step of allowing monosilane to be oxidized in a liquid phase. | 03-05-2009 |
20090239767 | BIOMOLECULE DETECTION REAGENT AND METHOD FOR DETECTING BIOMOLECULE USING REAGENT - A biomolecule detection reagent comprising semiconductor nanoparticles and magnetic nanoparticles, incorporated in a bead comprising an inorganic compound or an organic polymer, and a surface of the beads is modified with a biomolecule detection molecule. | 09-24-2009 |
20090325814 | BIOMOLECULE DETECTION REAGENT AND METHOD FOR DETECTING BIOMOLECULE USING THE SAME - A biomolecule detection reagent comprising a semiconductor nanoparticle aggregate, wherein each semiconductor nanoparticle, constituting the semiconductor nanoparticle aggregate, has detection molecules binding specifically with biomolecules on its surface, and a standard deviation of numbers of the detection molecules existing on each semiconductor nanoparticle, is 5% or less. | 12-31-2009 |
20100041017 | FLUORESCENT SEMICONDUCTOR MICROPARTICLE ASSEMBLY, FLUORESCENT LABELING AGENT ASSEMBLY FOR BIOLOGICAL SUBSTANCE, AND BIOIMAGING METHOD AND BIOLOGICAL SUBSTANCE ANALYSIS METHOD USING THE ASSEMBLIES - Disclosed is a fluorescent semiconductor microparticle assembly comprising at least three kinds of fluorescent semiconductor microparticles with an average particle size of from 1 to 10 nm, having the same chemical composition, a different average particle size and a different emission maximum wavelength in the emission spectra, wherein a standard deviation of emission intensity in each of the at least three kinds of fluorescent semiconductor microparticles is not more than 15%. | 02-18-2010 |
20100171076 | NEAR-INFRARED LIGHT-EMITTING PHOSPHOR NANOPARTICLES, METHOD FOR MANUFACTURING THE SAME, AND BIOLOGICAL SUBSTANCE LABELING AGENT EMPLOYING THE SAME - Disclosed are near-infrared light-emitting phosphor nanoparticles with an extremely small particle size, which emit light with a high intensity of emission and which are suitable for a biological substance labeling agent, a method for manufacturing the same, and a biological substance labeling agent employing the same. The near-infrared light-emitting phosphor nanoparticles of the invention are near-infrared light-emitting phosphor nanoparticles with an average particle size of from 2 to 50 nm, which when excited by a near-infrared light with a wavelength in the range of from 700 to 900 nm, emit a near-infrared light with a wavelength in the range of from 700 to 2000 nm, the nanoparticles being characterized in that at least a part of the composition is represented by a specific formula. | 07-08-2010 |
20100255462 | FLUORESCENT MARKER FOR LIVING ORGANISM AND FLUORESCENT MARKING METHOD FOR THE SAME - A fluorescent marker comprising inorganic fluorescent nanoparticles having on a surface of the nanoparticles a modifying group containing a reactive portion, wherein the reactive portion is located at a most remote site of the modifying group from the surface of the nanoparticles; the reactive portion comprises at least one selected from the group consisting of bases consisting of DNA or RNA, nucleotides, polynucleotides and intercalators; and the reactive portion is capable of specifically binding to a living organism. | 10-07-2010 |
20120252140 | FLUORESCENT SUBSTANCE-CONTAINING SILICA NANOPARTICLES AND BIOSUBSTANCE LABELING AGENT - Disclosed are fluorescent substance-containing silica nanoparticles containing a fluorescent substance therein featured in that the surface of the silica nanoparticles is coated with a material having a bulk refractive index of from 1.60 to 4.00. The invention can provide fluorescent substance-containing silica nanoparticles excellent in long term storage stability and a biosubstance labeling agent employing the same. | 10-04-2012 |