Abstract: To provide a component built-in wiring board and a manufacturing method thereof capable of further improving component mounting density without deteriorating-reliability.

Abstract: A magnetic composite body comprising magnetic nanoparticles having a number average particle diameter of 1 to 50 nm and having a compound represented by formula (I) fixed on their surfaces, and a method comprising bringing the magnetic composite body into contact with a test piece followed by magnetic separation: R1O—(CH(R2)CH2O)n-L-X ??Formula (I) wherein R1 represents a hydrogen atom, an alkyl or alkenyl group having a carbon chain length of 1 to 20, or a substituted or unsubstituted, aryl or heterocyclic group; R2 represents a hydrogen atom or a methyl group; L may be present or not present, and, when L is present, L represents an alkylene or alkenylene group having a carbon chain length of 1 to 10 which may have a branched chain or a substituent; X represents a hydrogen atom, a carboxylic acid group, a phosphoric acid group, or a sulfonic acid group; and n represents an integer of 1 to 10

Abstract: To provide a component built-in wiring board and a manufacturing method thereof capable of further improving component mounting density without deteriorating reliability.

Abstract: A doped-type metal sulfide phosphor nanoparticle dispersion, comprising a doped-type metal sulfide phosphor nanoparticle dispersed in a hydrophobic organic solvent, wherein the doped-type metal sulfide phosphor nanoparticle comprises a surface that is modified with a surface modifier, the surface modifier being a compound represented by formula [I]: HS-L-WFormula [I] wherein L represents a divalent linking group; and W represents COOM or NH2, in which M represents a hydrogen atom, an alkali metal atom, or NX4, in which X represents a hydrogen atom or an alkyl group.

Abstract: Two or more target substances are simply and efficiently detected using one type of nanoparticle. Two or more target substances contained in one sample are labeled with two or more fluorescent dyes each capable of binding to the respective target substance and each of which emit light at wavelengths different from each other, combination is made with a phosphor nano-particle capable of binding to each of the two or more fluorescent dyes, subsequently irradiation is undertaken with an excitation light which excites the phosphor nano-particle to emit light, and the two or more fluorescent dyes are caused to emit fluorescence using the light from the phosphor nano-particle as an excitation light.

Abstract: The invention provides a fluorescence detecting method, comprising irradiating an excitation light in the UV range on a sample containing a nanoparticle fluorescent material having an emission half-value width of 50 nm to 200 nm as the fluorescent material and detecting the fluorescence emitted from the sample in the visible range.

Abstract: The present invention provides a method for producing metallic nanoparticles, which includes reacting a copper compound with a hydrazine reducing agent in an organic solvent in the presence of a precious metal compound, wherein the precious metal compound is a compound containing at least one precious metal selected from the group consisting of platinum, gold, silver, and palladium, and the total number of precious metal atoms in the precious metal compound is in the range of 1 to 10 at. % of the total copper atoms in the copper compound.

Abstract: According to an aspect of the invention, there is provided a method for detecting a target compound including: injecting a test liquid containing a target compound into a colloid solution of magnetic nano-particles having an average particle diameter of 50 nm or less to allow the target compound to bind to the magnetic nano-particles, thereby forming bound magnetic nano-particles having a diameter of 100 nm or more; and bringing a dispersion liquid containing the bound magnetic nano-particles in proximity to a magnetic sensor including at least a magnetoresistive (MR) element and a permanent magnet while measuring the change in magnetic resistance to selectively detect the bound magnetic nano-particles, thereby indirectly detecting the target compound.

Abstract: To provide a component built-in wiring board and a manufacturing method thereof capable of further improving component mounting density without deteriorating reliability.

Abstract: To provide a component built-in wiring board and a manufacturing method thereof capable of further improving component mounting density without deteriorating reliability.

Abstract: A doped-type metal sulfide phosphor nanoparticle dispersion, comprising a doped-type metal sulfide phosphor nanoparticle dispersed in water and/or a hydrophilic solvent, wherein the doped-type metal sulfide phosphor nanoparticle comprises a surface that is modified with a surface modifier, the surface modifier being a compound represented by formula [I]: HS-L-W ??Formula [I] wherein L represents a divalent linking group; and W represents COOM or NH2, in which M represents a hydrogen atom, an alkali metal atom, or NX4, in which X represents a hydrogen atom or an alkyl group.

Abstract: A doped-type metal sulfide phosphor nanoparticle dispersion, comprising a doped-type metal sulfide phosphor nanoparticle dispersed in a hydrophobic organic solvent, wherein the doped-type metal sulfide phosphor nanoparticle comprises a surface that is modified with a surface modifier, the surface modifier being a compound represented by formula [I]: HS-L-W??Formula [I] wherein L represents a divalent linking group; and W represents COOM or NH2, in which M represents a hydrogen atom, an alkali metal atom, or NX4, in which X represents a hydrogen atom or an alkyl group.

Abstract: A fluorescent probe having a base sequence complementary to a specific sequence in a target nucleic acid, wherein the fluorescent probe has one end labeled with a nano particle fluorescent material, and the other end labeled with a fluorescent dye capable of fluorescence resonance energy transfer from the nano particle fluorescent material.

Abstract: It is an object of the present invention to provide a nanoparticle fluorescent material for detecting cancer with which cancer can be detected with high sensitivity, using highly safe and broad light emission on a simple device. The present invention provides a nanoparticle fluorescent material which comprises a metal-oxide or metal-sulfide nanoparticle fluorescent material whose surface is modified by a surface modifying agent and whose half bandwidth of light emission is between 50 and 200 nm, wherein an antibody that recognizes cancer antigen is bound to the surface modifying agent.

Abstract: The fluorescent complexes of the invention each comprise a magnetic nano-particle; an inorganic phosphor nano-particle; and a linker, wherein the magnetic nano-particles have an average particle diameter of 2 to 100 nm, the inorganic phosphor nano-particles have an average particle diameter of 1 to 50 nm, and the linker links the magnetic nano-particles with the inorganic phosphor nano-particles. The fluorescence detection method of the present invention comprises detecting a target substance in a sample by using the fluorescent complex of the present invention.

Abstract: A fabricating method of a wiring board provided with passive elements is disclosed. The fabricating method includes coating one or both of resistive paste and dielectric paste on at least any one of first surfaces of a first metal foil and a second metal foil each of which has a first surface and a second surface; arranging an insulating board having thermo-plasticity and thermo-setting properties so as to face the first surface of the first metal foil, and arranging the first surface side of the second metal foil so as to face a surface different from a surface to which the first metal foil faces of the insulating board; forming a double-sided wiring board by stacking, pressurizing and heating the arranged first metal foil, insulating board, and second metal foil, and thereby integrating these; and patterning the first metal foil and/or the second metal foil.

Abstract: A fabricating method of a wiring board provided with passive elements is disclosed. The fabricating method includes coating one or both of resistive paste and dielectric paste on at least any one of first surfaces of a first metal foil and a second metal foil each of which has a first surface and a second surface; arranging an insulating board having thermo-plasticity and thermo-setting properties so as to face the first surface of the first metal foil, and arranging the first surface side of the second metal foil so as to face a surface different from a surface to which the first metal foil faces of the insulating board; forming a double-sided wiring board by stacking, pressurizing and heating the arranged first metal foil, insulating board, and second metal foil, and thereby integrating these; and patterning the first metal foil and/or the second metal foil.

Abstract: The present invention provides a method of controlling aggregation and dispersion of magnetic nano particles, the method including changing, in a sample liquid containing independently dispersed magnetic nano particles having a particle size of 1 to 50 nm, at least one condition selected from the type of a salt present as a medium, the concentration of the salt, and the pH of the sample liquid to thereby control aggregation and dispersion of the magnetic nano particles.

Abstract: To provide a component built-in wiring board and a manufacturing method thereof capable of further improving component mounting density without deteriorating reliability.

Abstract: A nanoparticle fluorescent material of metal oxide or metal sulfide which is surface modified by a surface modification agent, wherein a half width of emission spectrum is 50 to 200 nm, and the surface modification agent is a compound represented by formula (I) or a degradation product thereof, and a dispersion of the same. M-(R)4??formula (I) In formula (I), M is an Si or Ti atom, and R is an organic group. The R groups may be the same or different from each other, but at least one R group is a group having reactivity with an affinity molecule.