Abstract: An organic electroluminescent device having a structure of at least an anode 2, a light-emitting layer 3 and a cathode 4 layered in that order, wherein the light-emitting layer 3 contains a first host material, a second host material and a light-emitting material of a dopant, and both the first host material and the second host material have a lowest excited triplet energy level higher than the lowest excited triplet energy level of the light-emitting material. The device is protected from performance deterioration with time in driving and has a long lifetime.

Abstract: Disclosed are a current excitation type organic semiconductor laser containing a pair of electrodes, an organic laser active layer and an optical resonator structure between the pair of electrodes and a laser having an organic layer on a distributed feedback grating structure. The lasers include a continuous-wave laser, a quasi-continuous-wave laser and an electrically driven semiconductor laser diode.

Abstract: A method of easily producing an immunogenic pupa for oral administration and a pupa for oral administration produced by the method are provided. The method is a method of producing a pupa for oral administration, including a step of infecting a larva or pupa of an insect capable of being baculovirus-infected with a recombinant baculovirus having DNA encoding an antigen protein introduced therein and freeze-drying a pupa having pupated from the infected larva or the infected pupa.

Abstract: [OBJECT] The object of the present invention is to provide an ingredient for inhibiting wrinkle with excellent safety. [MEANS FOR SOLUTION] The problem can be solved by a composition for inhibiting wrinkle, comprising ?-alanine or a salt thereof as an active ingredient, of the present invention.

Abstract: A membrane protein analysis substrate including an electron microscope grid having a plurality of through-holes; a lipid bilayer membrane that is provided to cover at least one of the plurality of through-holes; and membrane proteins that are retained in a part planarly overlapping the through-holes of the lipid bilayer membrane, wherein the lipid bilayer membrane has a lipid monolayer, and wherein the lipid monolayer is larger than the through hole in a plan view, adheres to the grid, and constitutes a part of the lipid bilayer membrane.

Abstract: Provided is a medical composition capable of imparting biocompatibility to the surface of a medical instrument etc. and application of the medical composition. In an embodiment of the present invention, the medical composition contains a urethane resin, and the urethane resin has urethane bonds in the main chain and a polyoxyethylene structure in the main chain and/or side chains. In another embodiment of the present invention, the urethane resin has a structural unit derived from a polycarbonate polyol and a structural unit derived from an aliphatic isocyanate and also has at least one urea bond.

Abstract: [OBJECT] The purpose of this invention is to provide a muscle-increasing ingredient with excellent safety. [MEANS FOR SOLUTION] The problem can be solved by a composition for increasing muscle, comprising ?-alanine or a salt thereof as an active ingredient of the present invention of the present invention.

Abstract: A diamond smoothing method of irradiating a laser light onto a raised and recessed surface of a diamond, so as to smooth the raised and recessed surface, by ablation that is caused to occur in the diamond by irradiation of the laser light onto the raised and recessed surface. The method includes: a threshold-energy-density detecting step of irradiating the laser light onto the raised and recessed surface, and changing an irradiation energy density of the laser light, so as to detect a threshold energy density as a lower threshold value of the irradiation energy density that causes the ablation to occur; and a smoothing processing step of executing a smoothing processing by irradiating the laser light onto the raised and recessed surface with a smoothing irradiation energy density that is set to be within a range from 1 to 15 times as large as the threshold energy density.

Abstract: A method for inducing conversion from non-hepatic stem cells or non-hepatic progenitor cells into hepatic stem cells or hepatic progenitor cells, which comprises introducing any of the following combinations into the non-hepatic stem cells or non-hepatic progenitor cells: (a) a combination of HNF1, HNF6 and FOXA; (b) a combination of HNF1 gene, HNF6 gene and FOXA gene; (c) a combination of HNF1, MYC and FOXA; or (d) a combination of HNF1 gene, MYC gene and FOXA gene.

Abstract: A resin composition for inorganic molded article production use, which is provided with inorganic particles each containing amorphous SiO2 and a photocurable resin composition, in which the photocurable resin composition contains a photocurable resin precursor and a photopolymerization initiator, the content of the inorganic particles is 60% by mass or more with respect to the total amount of the photocurable resin composition and the inorganic particles and is 60% by mass or more with respect to the entire amount of the resin composition for inorganic molded article production use, and the viscosity of the composition for inorganic molded article production use is 10000 mPa·s or less.

Abstract: This invention provides an interleukin-31 (IL-31) production inhibitor and a pharmaceutical composition comprising the inhibitor. The invention also provides a novel compound useful as an active ingredient for an IL-31 production inhibitor. These comprise a compound represented by the following formula (1) or a salt thereof as an active ingredient: wherein A is a —NH—N?C(R1)— group, a divalent N-containing 5-membered heterocyclic group, or a —NH—CO— group, wherein R1 is a hydrogen atom or a C1-4 alkyl group, B is the same or different and is a C1-6 alkyl group optionally having one hydroxyl group, a mono or di(C1-6 alkyl)amino group optionally having one hydroxyl group, a halogen atom, a halo C1-6 alkyl group, a C2-6 alkynylene group, or a carboxy group, wherein at least one C1-6 alkyl group in the mono or di(C1-6 alkyl)amino group is optionally attached to a carbon atom adjacent to a carbon atom in the phenyl group to which it is attached, to form a 5- to 6-membered ring, and n is an integer of 1 to 5.

Abstract: A blood pressure controlling apparatus includes an acquiring part configured to acquire biological information indicating blood pressure of a subject, a producing part configured to produce a frequency modulated pulse train on the basis of the biological information, and a supplying part configured to supply an electrical current on the basis of the frequency modulated pulse train, to an electrode attached on the subject. The electrical current stimulates baroreceptor afferent nerves of the subject.

Abstract: Disclosed is a current-injection organic semiconductor laser diode comprising a pair of electrodes, an optical resonator structure, and one or more organic layers including a light amplification layer composed of an organic semiconductor, which has a sufficient overlap between the distribution of exciton density and the electric field intensity distribution of the resonant optical mode during current injection to emit laser light.

Abstract: A semiconductor light emitting element includes an optical waveguide having a first and second waveguide provided with a width that allows propagation of light in a second-order mode or higher and a multimode optical interference waveguide provided with a wider width than the first and second waveguide and arranged at a position therebetween. The semiconductor light emitting element further includes a first optical loss layer facing the first waveguide in an active-layer crossing direction for causing a loss of light that is propagating in the first waveguide in the second-order mode or higher and a second optical loss layer facing the second waveguide in an active-layer crossing direction for causing a loss of light that is propagating in the second waveguide in the second-order mode or higher, the active-layer crossing direction being orthogonal to a surface of an active layer.

Abstract: An organic material represented by General Formula (1): where, in General Formula (1), R1 is an alkyl group having 6 carbon atoms or more but 20 carbon atoms or less; n is an integer of from 1 through 3; X1 to X4 are each a hydrogen atom or a fluorine atom; and Z is a compound represented by General Formula (2), (3), or (4) below: where, in General Formulae (2) to (4), R2, R3, and R4 are each an alkyl group having 6 carbon atoms or more but 20 carbon atoms or less; and Y is an oxygen atom or a sulfur atom.

Abstract: An organic light-emitting device containing both a compound represented by the following general formula (1) and a compound represented by the following general formula (2) has a high light emission efficiency. The rings a to c each are a benzene ring that can be optionally condensed, R1 and R2 each represent a substituted or unsubstituted aryl group, etc., four of R31 to R35 each are a substituted or unsubstituted carbazol-9-yl group, but all of these four are not the same, and the remaining one is a hydrogen atom, a cyano group, etc.

Abstract: Provided is a method for enabling recovery of metal element leaching capacity of a deep eutectic solvent used for leaching a metal element from an ore containing the metal element. A method for recycling a hydrophobic deep eutectic solvent disclosed here includes: preparing a hydrophobic deep eutectic solvent used for leaching a metal element from an ore containing the metal element; and bringing the hydrophobic deep eutectic solvent and hydrochloric acid into contact with each other. In the hydrophobic deep eutectic solvent, a hydrogen bond donor is a carboxy group-containing compound, and a hydrogen bond acceptor is chloride salt. The amount of use of the hydrochloric acid is such that hydrogen chloride is 1 mole or more with respect to 1 mole of the hydrogen bond acceptor.

Abstract: Provided is a light-emitting device including an organic light-emitting element and a control unit that controls the organic light-emitting element. The organic light-emitting element includes a first electrode, a second electrode, and an organic light-emitting layer which is disposed between the first electrode and the second electrode and in which separation of charges occurs due to incidence of excited light. The control unit changes a potential difference between the first electrode and the second electrode so that recoupling of the charges occurs, in a second period after passage of a delay period from a first period in which the excited light is incident to the organic light-emitting layer.

Abstract: A medicament for preventive and/or therapeutic treatment of multiple sclerosis, especially a pain accompanying multiple sclerosis such as neuropathic pain, which contains a compound having a P2X4 receptor antagonist activity such as a compound represented by the general formula (IH), or a salt thereof or a hydrate or solvate thereof as an active ingredient.

Abstract: An object of the present invention is to provide an apparatus for injecting carbon dioxide into underground capable of capturing carbon dioxide from the atmosphere and injecting it into underground in a harmless state and at a low cost, the apparatus including: a capturing unit configured to concentrate carbon dioxide directly from the atmosphere and capture concentrated carbon dioxide as a mixture gas; and an injection well connected to the capturing unit for pressurizing the mixture gas and injecting the mixture gas into an underground reservoir, in which the capturing unit adjusts a proportion of carbon dioxide in the mixture gas to 25% by volume or more.