Abstract: Disclosed herein is a coil component that includes a plurality of conductor layers embedded in a magnetic element The plurality of conductor layers include a first body. conductor layer positioned at one end portion in a stacking direction, a second conductor layer positioned at another end portion in the stacking direction, and one or more third conductor layers positioned between the first and second conductor layers. The first conductor layer includes a first coil pattern and first and second connection patterns exposed from the mounting surface. The second and third conductor layers include second and third coil patterns, respectively, and third and fourth connection patterns, respectively, exposed from the mounting surface. The magnetic element body is disposed in an end area that overlaps the first connection pattern in a plan view as viewed in the stacking direction.

Abstract: An object of the present invention is to provide a gardenia blue pigment that can stably maintain the color tone even after heating under acidic conditions, and a method for producing the gardenia blue pigment. A gardenia blue pigment that can stably maintain the color tone even after heating under acidic conditions is obtained by carrying out the following first and second steps: the first step of reacting walnut peptide, bitter melon peptide, and/or soy peptide with genipin in a solvent without the supply of a gas containing oxygen; and the second step of treating the reaction solution obtained in the first step with the supply of a gas containing oxygen.

Abstract: The present invention provides a fluorescent diamond containing an MV center emitting fluorescence at a concentration of 1×1014/cm3 or higher, where M represents a metal or metalloid, and V represents a vacancy.

Abstract: An object of the present invention is to provide a gardenia blue pigment that exhibits a vivid blue tone that is bright and has reduced redness, and a method for producing the gardenia blue pigment. A gardenia blue pigment that exhibits a vivid blue tone that is bright and has reduced redness is obtained by carrying out the following first and second steps: the first step of reacting at least one peptide selected from the group consisting of soy peptide, sesame peptide, and rice peptide with genipin in a solvent without the supply of a gas containing oxygen; and the second step of treating the reaction solution obtained in the first step with the supply of a gas containing oxygen.

Abstract: The present invention provides heteroatom-doped nanodiamond particles having a fluorescence emission peak derived from heteroatom-vacancy (Heteroatom-V) centers and satisfying conditions consisting of: (i) when 1 ?L of a 1 mass % aqueous suspension of the heteroatom-doped nanodiamond particles is added dropwise onto a glass substrate, and fluorescence spectra are acquired for 101×101 spots using a microscopic Raman apparatus at a spatial resolution of 1 ?m and in a sample range of 100 ?m×100 ?m, the percentage of the number of bright spots emitting fluorescence with a ZPL peak at ZPL±X nm (0?X?5) of the Heteroatom-V centers is 50% or greater; and (ii) an average size of primary particles is from 2 to 70 nm.

Abstract: Provided is a nanodiamond aqueous dispersion in which nanodiamond particles can be present in water in a highly dispersed state. The nanodiamond aqueous dispersion includes water and nanodiamond particles dispersed in the water. A content of heavy metal is 1 part by mass or less with respect to 100 parts by mass of the nanodiamond particles. A horizontal projection area of the nanodiamond particles calculated from an analysis image obtained by low-temperature electron microscopy satisfies at least one condition selected from the group consisting of (a) to (d): (a) a percentage of 100 nm2 or more is 20% or less, (b) a percentage of 80 nm2 or more is 24% or less, (c) a percentage of 50 nm2 or more is 30% or less, (d) a percentage of 30 nm2 or more is 39% or less.

Abstract: The present invention provides a nanocluster in which a carbon nanomaterial modified with a higher alkyl group or a higher alkenyl group is self-assembled.

Abstract: Provided are a surface-modified nanoparticle that can be easily produced and can selectively deliver boron atoms into cancer cells and maintain the boron atoms, and a method for producing the surface-modified nanoparticle. The surface-modified nanoparticle of the present disclosure includes a nanocarbon material, and a surface-modifying group of the nanocarbon material, and has a group containing a boron atom as the surface-modifying group.

Abstract: A method of producing a fluorescent nanodiamond exhibiting a zero phonon line (ZPL) for NV0 and/or NV? on its fluorescence emission wavelength spectrum. The method includes a detonation step of exploding at least one type of explosive in an airtight container to obtain a nanodiamond raw material, a first annealing step of annealing, at a temperature from 1000° C. to 1600° C., the nanodiamond raw material or a nanodiamond which is obtained by removing sp2 carbon through strong acid treatment, ozone treatment, or gas-phase oxidation of the nanodiamond raw material, a vacancy forming step of creating vacancies on the nanodiamond by irradiating the nanodiamond with an ion beam or an electron beam after the first annealing step, and a second annealing step of annealing, at a temperature from 600° C. to 900° C., the nanodiamond containing vacancies to form Nitrogen-Vacancy (NV) centers.

Abstract: The present invention provides a temperature-sensitive probe containing a group 14 element-doped nanodiamond having an average particle size of 1 to 100 nm and including SiV centers.

Abstract: Provided is a method for producing a nanodiamond dispersion composition, the method capable of easily producing a nanodiamond dispersion composition having the reduced number of coarse particles mixed therein. Another object of the present disclosure is to provide a nanodiamond dispersion composition having the reduced number of coarse particles mixed therein, and containing nanodiamond particles having an organic part.

Abstract: An ink includes a boron-doped nanodiamond having a specific surface area of 110 m2/g or greater, and electrical conductivity at 20° C. of 5.0×10?3 S/cm or greater.

Abstract: Provided is an explosive composition for diamond synthesis by which diamond particles having a relatively large diameter can be produced. The explosive composition for diamond synthesis contains an explosive component, a carbon raw material that may be included as the explosive component, and diamond particles. Furthermore, the total proportion of the explosive component, the carbon raw material, and the diamond particles relative to the total amount of the explosive composition for diamond synthesis is 99 mass% or greater. The crystallite diameter of primary particles of the diamond particles as determined by the XRD method is preferably 100 nm or less.

Abstract: The purpose of the present invention is to provide: a gardenia blue pigment which contains a product of a reaction between genipin and a compound having a primary amino group, and which offers a bright, fresh blue color tone having reduced redness; and a method for producing same. This gardenia blue pigment, which offers a bright, fresh blue color tone having reduced redness, is obtained by carrying out a first step in which genipin and at least one peptide selected from the group consisting of soybean peptides, sesame peptides, and rice peptides are reacted in a solvent without supplying an oxygen-containing gas, and a second step in which a reaction liquid obtained in the first step is processed under an oxygen-containing gas supply.

Abstract: Provided is an electrode-forming material for an electrochemical capacitor useful for forming an electrode of an electrochemical capacitor having a high storage capacity and a high energy density. The electrode-forming material for an electrochemical capacitor according to an embodiment of the present invention includes boron-doped nanodiamond (A) having a specific surface area of 110 m2/g or greater and an electrical conductivity at 20° C. of 5.0×10?3 S/cm or greater; and a metal oxide (B), and the content of the (B) is from 20 to 95 mass % with respect to the total content of the (A) and (B).

Abstract: The present invention is to provide a method for producing nanodiamonds doped with a Group 14 element, the method comprising: detonating by exploding an explosive composition containing at least one explosive and at least one Group 14 element compound in a sealed container to obtain nanodiamonds doped with at least one Group 14 element selected from the group consisting of Si, Ge, Sn, and Pb, and removing the Group 14 element and/or oxide thereof by subjecting the nanodiamonds doped with a Group 14 element to an alkali treatment.

Abstract: Provided are: a catalyst that is used in a reaction for producing hydrogen from an alkane without emitting CO2; a method of producing hydrogen without emitting CO2 by using the catalyst; and a method of producing ammonia using, as a reducing agent, hydrogen produced using the catalyst. The alkane dehydrogenation catalyst according to the present disclosure contains a graphene having at least one type of structure selected from an atomic vacancy structure, a singly hydrogenated vacancy structure, a doubly hydrogenated vacancy structure, a triply hydrogenated vacancy structure, and a nitrogen-substituted vacancy structure. The graphene preferably has from 2 to 200 of the structure approximately per 100 nm2 of the atomic film of the graphene. In addition, the hydrogen production method according to the present disclosure includes extracting hydrogen from an alkane by using the alkane dehydrogenation catalyst.

Abstract: An object of the present invention is to provide a gardenia blue pigment that exhibits a vivid blue tone that is bright and has reduced redness, and a method for producing the gardenia blue pigment. A gardenia blue pigment that exhibits a vivid blue tone that is bright and has reduced redness is obtained by carrying out the following first and second steps: the first step of reacting at least one peptide selected from the group consisting of soy peptide, sesame peptide, and rice peptide with genipin in a solvent without the supply of a gas containing oxygen; and the second step of treating the reaction solution obtained in the first step with the supply of a gas containing oxygen.

Abstract: An object of the present invention is to provide a gardenia blue pigment that can stably maintain the color tone even after heating under acidic conditions, and a method for producing the gardenia blue pigment. A gardenia blue pigment that can stably maintain the color tone even after heating under acidic conditions is obtained by carrying out the following first and second steps: the first step of reacting walnut peptide, bitter melon peptide, and/or soy peptide with genipin in a solvent without the supply of a gas containing oxygen; and the second step of treating the reaction solution obtained in the first step with the supply of a gas containing oxygen.

Abstract: The present invention is to provide a heteroatom-doped nanodiamond, the heteroatom-doped nanodiamond being doped with at least one heteroatom, the heteroatom-doped nanodiamond satisfying criteria (i) and/or (ii) below: (i) a BET specific surface area being from 20 to 900 m2/g, and (ii) an average size of primary particles being from 2 to 70 nm.