Abstract: The present invention provides a semiconductor nanoparticle assembly having improved luminous efficiency, heat resistance, and oxidation resistance, and a method for manufacturing the same. The present invention relates to a semiconductor nanoparticle assembly which includes an aggregate having a plurality of coated semiconductor nanoparticles aggregated, said coated semiconductor nanoparticles each containing a semiconductor nanoparticle having a core/shell structure and a translucent coating layer having a thickness of 3 nm or more and 15 nm or less for coating the semiconductor nanoparticle.

Abstract: The present invention provides a semiconductor nanoparticle assembly having improved luminous efficiency, heat resistance, and oxidation resistance, and a method for manufacturing the same. The present invention relates to a semiconductor nanoparticle assembly which includes an aggregate having a plurality of coated semiconductor nanoparticles aggregated, said coated semiconductor nanoparticles each containing a semiconductor nanoparticle having a core/shell structure and a translucent coating layer having a thickness of 3 nm or more and 15 nm or less for coating the semiconductor nanoparticle.

Abstract: An object is to provide a coated semiconductor nanoparticle having sufficient fluorescence intensity. A method for manufacturing a coated semiconductor nanoparticle according to the present invention relates to a method for manufacturing a coated semiconductor nanoparticle containing a semiconductor nanoparticle having a core/shell structure and a translucent coating layer containing silicon coating the semiconductor nanoparticle. The method includes a step of bringing the semiconductor nanoparticle into contact with a silane compound in the presence of an antioxidant and that the antioxidant contains at least one kind selected from the group consisting of compounds containing at least one of a phosphor atom and a sulfur atom and no hydroxy group.

Abstract: Provided is a toner for developing an electrostatic image wherein an environment variation difference in a charging ability can be controlled to be small while having sufficient low temperature fixability. The toner includes toner particles that contain at least a binder resin. The binder resin contains a polymer prepared by polymerizing a polymerizable monomer represented by a following general formula (1). In the general formula (1), R1 and R2 each independently represent a hydrogen atom, or a substituted or unsubstituted alkyl group having 1 to 2 carbon atoms; and R3 represents a hydrogen atom, or a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms. X represents an oxygen atom or a single bond; Y represents a substituted or unsubstituted alkylene group having 1 to 4 carbon atoms, or a single bond; and Ar represents a substituted or unsubstituted aryl group.

Abstract: A liquid developer includes an insulating liquid and toner particles which are dispersed in the insulating liquid and contain a resin and a coloring agent. The coloring agent contains nigrosine and a pigment derivative, and preferably further contains carbon black. Preferably, Wn and Ws satisfy relation of 0.15?Ws/Wn?0.80, where Wn represents a ratio of content (mass %) of nigrosine in the toner particles and Ws represents a ratio of content (mass %) of the pigment derivative in the toner particles.

Abstract: The present invention provides a toner for electrostatic image development that suppresses the fluctuation of electrostatic charge amount in accordance with environmental fluctuation and has good color reproducibility (wide color gamut), a producing method of the toner, and an image forming method using the toner for electrostatic image development. The toner for electrostatic image development of the invention includes a toner particle that contains at least a binder resin. The toner particle includes a polymer having a structural unit represented by a following general formula (1) as the binder resin. where R1 represents a hydrogen atom or substituted or unsubstituted C1-C2 alkyl group, A represents an oxygen atom or divalent linking group, B represents a hydrogen atom, substituted or unsubstituted C1-C4 alkyl group, aldehyde group, carboxy group or hydroxy group, and X represents an oxygen atom, nitrogen atom or sulfur atom.

Abstract: A toner for electrostatic image development having sufficient low-temperature fixing properties, and excellent heat resistant storage stability and crush resistance is provided. In toner particles containing at least a binder resin, the binder resin contains a polymer having a structural unit represented by a general formula (1), wherein R1, R2, and R3 each independently represent a hydrogen atom, a hydroxyl group, or an alkoxy group, or two adjacent groups of R1, R2, and R3 combine to form —O(CH2)iO—, where i represents an integer of 1 or 2, provided that at least one of R1, R2, and R3 is an alkoxy group, or two adjacent groups combine to form —O(CH2)iO—; and R4 represents a hydrogen atom, a halogen atom, an alkyl group, a hydroxyl group, or an alkoxy group.

Abstract: Provided is a toner for developing an electrostatic image. The toner has excellent heat-resistant storage properties and crush resistance while having sufficient low temperature fixability. The toner for developing an electrostatic image includes toner particles that contain at least a binder resin. The binder resin contains a polymer prepared by polymerizing a polymerizable monomer represented by a following general formula (1). In the general formula (1), R1 and R2 each independently represent an aliphatic hydrocarbon group having 1 to 60 carbon atoms, an aliphatic group wherein some of carbon atoms of the aliphatic hydrocarbon group are substituted with an oxygen atom, or an aromatic hydrocarbon group optionally having the aliphatic hydrocarbon group or the aliphatic group as a substituent; and R3 and R4 each independently represent a hydrogen atom or an aliphatic hydrocarbon group.

Abstract: The present invention provides a toner for electrostatic image development that suppresses the fluctuation of electrostatic charge amount in accordance with environmental fluctuation and has good color reproducibility (wide color gamut), a producing method of the toner, and an image forming method using the toner for electrostatic image development. The toner for electrostatic image development of the invention includes a toner particle that contains at least a binder resin. The toner particle includes a polymer having a structural unit represented by a following general formula (1) as the binder resin. where R1 represents a hydrogen atom or substituted or unsubstituted C1-C2 alkyl group, A represents an oxygen atom or divalent linking group, B represents a hydrogen atom, substituted or unsubstituted C1-C4 alkyl group, aldehyde group, carboxy group or hydroxy group, and X represents an oxygen atom, nitrogen atom or sulfur atom.

Abstract: Provided is a toner for developing an electrostatic image wherein an environment variation difference in a charging ability can be controlled to be small while having sufficient low temperature fixability. The toner includes toner particles that contain at least a binder resin. The binder resin contains a polymer prepared by polymerizing a polymerizable monomer represented by a following general formula (1). In the general formula (1), R1 and R2 each independently represent a hydrogen atom, or a substituted or unsubstituted alkyl group having 1 to 2 carbon atoms; and R3 represents a hydrogen atom, or a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms. X represents an oxygen atom or a single bond; Y represents a substituted or unsubstituted alkylene group having 1 to 4 carbon atoms, or a single bond; and Ar represents a substituted or unsubstituted aryl group.

Abstract: Provided is a toner for developing an electrostatic image. The toner has excellent heat-resistant storage properties and crush resistance while having sufficient low temperature fixability. The toner for developing an electrostatic image includes toner particles that contain at least a binder resin. The binder resin contains a polymer prepared by polymerizing a polymerizable monomer represented by a following general formula (1). In the general formula (1), R1 and R2 each independently represent an aliphatic hydrocarbon group having 1 to 60 carbon atoms, an aliphatic group wherein some of carbon atoms of the aliphatic hydrocarbon group are substituted with an oxygen atom, or an aromatic hydrocarbon group optionally having the aliphatic hydrocarbon group or the aliphatic group as a substituent; and R3 and R4 each independently represent a hydrogen atom or an aliphatic hydrocarbon group.

Abstract: A toner for electrostatic image development having sufficient low-temperature fixing properties, and excellent heat resistant storage stability and crush resistance is provided. In toner particles containing at least a binder resin, the binder resin contains a polymer having a structural unit represented by a general formula (1), wherein R1, R2, and R3 each independently represent a hydrogen atom, a hydroxyl group, or an alkoxy group, or two adjacent groups of R1, R2, and R3 combine to form —O(CH2)iO—, where i represents an integer of 1 or 2, provided that at least one of R1, R2, and R3 is an alkoxy group, or two adjacent groups combine to form —O(CH2)iO—; and R4 represents a hydrogen atom, a halogen atom, an alkyl group, a hydroxyl group, or an alkoxy group.

Abstract: Disclosed is an image print which has a toner-holding layer on an image-supporting substrate in which the toner-holding layer holds a toner image formed by toner particles, wherein the toner-holding layer is composed of a hydrogel having a water content of 10% by mass or more and not more than 90% by mass.

Abstract: A toner comprising toner particles, wherein a surface-treated titanate compound is contained on the surface of parent toner particles comprising a resin and a colorant, and the titanate compound having a carbon amount of not less than 0.15% by mass and not more than 0.50% by mass.

Abstract: Disclosed are core/shell type semiconductor nanoparticles exhibiting a sufficient emission intensity without causing a blink phenomenon (blinking). The core/shell-type semiconductor nanoparticles have an average particle size of from 2 to 50 nm and comprise an intermediate layer between a core portion and a shell portion, wherein band gap widths of bulk crystals which have the same compositions as those of the core portion, the intermediate portion and the shell portion, respectively, are in the order of: core portion<shell portion<intermediate layer.

Abstract: An image forming method for forming an image printed matter, includes the steps of: forming a toner image with toner particles on a photoreceptor; transferring the toner image from the photoreceptor onto a substrate; laminating an toner holding material layer on the substrate so as to embed the toner image in the toner holding material layer so that the toner holding material layer holds the toner image therein and the image printed matter is formed, wherein the toner holding material layer is composed of a gel including a liquid dispersion medium having a contact angle of 20 to 110 degrees to the image supporting substrate.

Abstract: Disclosed is an image print which has a toner-holding layer on an image-supporting substrate in which the toner-holding layer holds a toner image formed by toner particles, wherein the toner-holding layer is composed of a hydrogel having a water content of 10% by mass or more and not more than 90% by mass.

Abstract: The present invention is to provide a nanosized phosphor exhibiting enhanced luminance as a molecular labeling phosphor by controlling an electrostatic charge of an inorganic phosphor. The nanosized phosphor is featured in that at least 90% of total particles have a particle size of 1 to 100 nm and an electrostatic charge of the total particles is in the range of ?20 ?C/g to 5 ?C/g.

Abstract: Disclosed is a fluorescent labeling agent containing quantum dots, which exhibits little fluctuation in luminous properties in accordance with the environment where the fluorescent labeling agent is stored and therefore has high environmental stability, and which has high luminous intensity. Specifically disclosed is a fluorescent labeling agent containing quantum dots, which comprises: (1) a fluorescent labeling agent core part which comprises at least three quantum dots per a fluorescent labeling agent and a protective material; and (2) an organic surface-coating layer which coats the fluorescent labeling agent core part, wherein the fluorescent labeling agent core part has an average particle diameter of 10 to 50 nm.

Abstract: A toner comprising toner particles, wherein a surface-treated titanate compound is contained on the surface of parent toner particles comprising a resin and a colorant, and the titanate compound having a carbon amount of not less than 0.15% by mass and not more than 0.50% by mass.