Abstract: Crystals of the compound represented by formula (1), a method for the production thereof, and a method for producing an antibody-drug conjugate using the crystals.

Abstract: A quantum dot surface treatment method including continuously supplying a solution containing a silicone compound and a quantum dot having a surface to which a ligand having a coordinating substituent and a reactive substituent is coordinated by virtue of the coordinating substituent, to a reaction flow path made of a material that transmits light, and emitting light to the reaction flow path, so that the silicone compound and the reactive substituent undergo a photopolymerization reaction, thereby coating the surface of the quantum dot with the silicone compound. Thus, the quantum dot surface treatment method is provided that enables to, even in the case of performing surface treatment using a large amount of solution, obtain a quantum dot having excellent stability with high productivity by stably coating the surface of the quantum dot with the silicone compound, and provide a wavelength conversion material with high reliability.

Abstract: A quantum dot including fluorescent crystalline nanoparticle, wherein surface of the quantum dot is modified with a ligand containing fluorine. The quantum dots include fluorescent crystalline nanoparticles which have high stability and are less likely to agglomerate when added to a fluororesin.

Abstract: The present invention is a method for producing perovskite type quantum dots, wherein, using a plurality of precursor solutions each containing a different element, each of the plurality of precursor solutions is heated and sprayed as an aerosol of the precursor solution, and the plurality of aerosols are collided to cause a gas phase reaction, dropping in a solvent to synthesize core particles containing the different elements. This provides a method for producing quantum dots that enables control of the particle size and yields nanoparticles with a uniform particle size even in large-scale synthesis.

Abstract: A resin composition containing a base resin and quantum dots that are crystalline nanoparticle phosphors, the base resin containing a fluorine-containing resin. This provides a resin composition capable of enhancing the stability of quantum dots.

Abstract: A quantum dot-containing polymer contains quantum dots that emit fluorescence by excitation light, wherein the quantum dot-containing polymer is a combined polymer of the quantum dots in which a ligand having a reactive substituent is coordinated to the outermost surface and a silicone compound having a polymerizable substituent. The quantum dot-containing polymer is stabilized by mild conditions.

Abstract: A liquid droplet-forming device is provided, including: a liquid chamber; a discharge hole configured to discharge a raw material liquid in the liquid chamber in a form of liquid droplets; sealed space-forming means; and at least two flow paths, in which the sealed space-forming means is capable of forming a sealed space communicating with the liquid chamber through the discharge hole on a side opposite to the liquid chamber of the discharge hole, and the at least two flow paths communicate with each other through the sealed space.

Abstract: A particle production apparatus includes a liquid droplet formation unit configured to discharge a liquid from a discharging hole to form a liquid droplet, and a particle formation unit configured to solidify the liquid droplet to form a particle. The particle formation unit includes a conveyance gas flow, and the liquid droplet formation unit is configured to discharge the liquid to satisfy Formula 1 below: P = Vj Pd ? 0 ? ? ? Vx 2 ? A ? cos 2 ( ? - 65 ) > 1 Formula ? 1 In the Formula 1, Vj represents a velocity (m/s) of the liquid droplet to be discharged, F represents a discharging drive frequency (kHz), d0 represents a diameter (?m) of the liquid droplet, ? represents a density (kg/m) of the liquid, Vx represents a velocity (m/s) of the conveyance gas flow, A represents shortest distance (m) from the liquid droplet formation unit to a center of the conveyance gas flow, and ? represents an angle (deg.) at which the liquid droplet is to be discharged.

Abstract: A method for producing coated semiconductor nanoparticles, comprising a step of coating the surface of semiconductor nanoparticles with a metal oxide, wherein the surface of the semiconductor nanoparticles is coated with the metal oxide by treating a metal oxide precursor with microwave irradiation treatment.

Abstract: A method for producing a quantum dot including crystalline nanoparticle fluorescent material, wherein, using a first precursor solution and a second precursor solution containing different elements each other, the second precursor solution is sprayed as an aerosol on the heated first precursor solution, or both the first precursor solution and the second precursor solution are sprayed on a heated solvent as aerosols, and the first precursor solution and the second precursor solution are reacted with each other to synthesize a core particle containing the different elements. The method for producing quantum dots, can suppress the non-uniformity of the particle size of the quantum dots and accompany increase in the distribution of emission wavelengths in large scale synthesis.

Abstract: The present invention includes a reference parallel line creation step of creating a pair of parallel lines that are respectively in contact with outer edges of a workpiece cross-section without traversing the workpiece cross-section and that are located on an extension plane of the workpiece cross-section, a first determination step of comparing a width between the pair of parallel lines that have been created in the reference parallel line creation step with a maximum separation threshold of the welding electrodes, and determining whether the maximum separation threshold is larger than the width between the parallel lines, and a pull-out direction determination step of determining a direction of the parallel lines as a pull-out direction, in a case where the maximum separation threshold is larger than the width between the parallel lines in the first determination step.

Abstract: A quantum dot includes crystalline nanoparticle, wherein the quantum dot has a multi-layer structure including core particle and a plurality of layers on the core particle, and has Zn, S, Se, and Te as constituent elements, and the quantum dot has at least one quantum well structure in a radial direction from the center of the quantum dot. Therefore, quantum dots, which are crystalline nanoparticles, which do not contain harmful substances such as Cd and Pb, have excellent light emission characteristics such as half-value width at half maximum, and have high quantum efficiency.

Abstract: A core-shell type quantum dot comprising, a semiconductor nanocrystal core including at least In and P, and having group III-V elements as constituent elements and a single or a plurality of semiconductor nanocrystal shells having group II-VI elements as constituent elements covering the semiconductor nanocrystal core, wherein a buffer layer comprising semiconductor nanocrystals having group II-V elements as constituent elements is included between the semiconductor nanocrystal core and the semiconductor nanocrystal shell. As a result, quantum dots using group II-V semiconductor nanocrystals as a core and having improved fluorescence emission efficiency are provided.

Abstract: The present invention relates to a hydraulic fluid composition containing a base oil (A), an antioxidant (B) including an amine-based antioxidant (B1) and a phenol-based antioxidant (B2), and a succinimide-based compound (C), wherein the hydraulic fluid composition satisfies the following requirement (I); and is to be used for hydraulic equipment which is equipped with at least one of a wet type brake and a wet type clutch and which is selected from a construction machinery, a general industrial machinery, and a power generator, and in which a working pressure is 30 MPa or more. The hydraulic fluid composition is not only excellent in wear resistance and an effect for suppressing the sludge formation but also excellent in a braking performance or a clutch performance, even when used under a high-pressure condition. Requirement (I): A static friction coefficient (?s) after 1,000 cycles, as measured in conformity with the SAE No. 2 test described in JCMAS P 047:2004, is 0.100 to 0.162.

Abstract: A discharge device is provided. The discharge device includes a liquid feed-discharger, and the liquid feed-discharger includes a feed unit configured to feed a liquid and a discharge unit having discharge holes configured to discharge the liquid fed by the feed unit. A ratio (X/Y) of a maximum cross-sectional area X (mm2) to a minimum cross-sectional area Y (mm2) of the liquid feed-discharger in a direction orthogonal to an axial direction of the liquid feed-discharger is from 1 to 5.

Abstract: A quantum dot including fluorescent crystalline nanoparticle, wherein surface of the quantum dot is modified with a ligand containing fluorine. The quantum dots include fluorescent crystalline nanoparticles which have high stability and are less likely to agglomerate when added to a fluororesin.

Abstract: A quantum dot has a fluorescent crystalline nanoparticle, wherein the quantum dot has a core-shell structure including a core particle containing a first metal element and a shell layer containing a second metal element, at an interface between the core particle and the shell layer, a third metal element different from the first metal element and the second metal element is present, and an amount of the third metal element with respect to an amount of the first metal element contained in the core particle is 10% or less in terms of molar ratio. As a result the quantum dot has excellent controllability of the emission wavelength and high luminous properties and luminous efficiency.

Abstract: Provided is a lubricating oil composition comprising a base oil (A) containing a polyalkylene glycol (A1) and a polyol ester (A2), a phosphorus-based rust inhibitor (B), and an antioxidant (C) containing an amine-based antioxidant (C1). The lubricating oil composition exhibits a strong effect for suppressing sludge sedimentation even when used for an extended period of time in a high-temperature environment, and has excellent demulsibility and rust preventive properties, and therefore, can be suitably used in turbomachinery, compressors, hydraulic equipment, and machine tools.

Abstract: A particulate poly(lactic-co-glycolic) acid (PLGA) is provided. The particulate PLGA comprises a poly(lactic-co-glycolic) acid (PLGA), and has an average volume-based particle diameter of 80 nm or less and a relative span factor (R.S.F.) satisfying the following formula (1): 0 < R . S . F . ? 1.20 Formula ? ? ( 1 ) where R.S.F, is defined by (D90?D10)/D50, where D90, D50, and D10 respectively represent particle diameters at cumulative rates of 90%, 50%, and 10% by volume based on a cumulative particle size distribution counted from a small-particle side.

Abstract: A transparent complex oxide sintered body is manufactured by sintering a compact in an inert atmosphere or vacuum, and HIP treating the sintered compact, provided that the compact is molded from a source powder based on a rare earth oxide: (TbxY1-x)2O3 wherein 0.4?x?0.6, and the compact, when heated in air from room temperature at a heating rate of 15° C./min, exhibits a weight gain of at least y % due to oxidative reaction, y being determined by the formula: y=2x+0.3. The sintered body has a long luminescent lifetime as a result of controlling the valence of Tb ion.