Abstract: In an apparatus producing hydrogen gas by the decomposition reaction of water using photocatalyst, its miniaturization is achieved while suppressing the decrease of production efficiency of hydrogen gas as low as possible or improving the efficiency. The apparatus 1 comprises a container portion 2 receiving water W; a photocatalyst member 3 immersed in the water, having photocatalyst which generates excited electrons and positive holes when irradiated with light, causes a decomposition reaction of the water and generates hydrogen gas; a light source 4 emitting the light irradiated to the photocatalyst member; and a heat exchange device 7 conducting waste heat of the light source to the water in the container portion; wherein the water to be decomposed on the photocatalyst member in the container portion is warmed by the waste heat of the light source by the heat exchange device.

Abstract: In an apparatus producing hydrogen gas by the decomposition reaction of water using photocatalyst, its miniaturization is achieved while suppressing the decrease of production efficiency of hydrogen gas as low as possible or improving the efficiency. The apparatus 1 comprises a container portion 2 receiving water W; a photocatalyst member 3 immersed in the water, having photocatalyst which generates excited electrons and positive holes when irradiated with light, causes a decomposition reaction of the water and generates hydrogen gas; a light source 4 emitting the light irradiated to the photocatalyst member; and a heat exchange device 7 conducting waste heat of the light source to the water in the container portion; wherein the water to be decomposed on the photocatalyst member in the container portion is warmed by the waste heat of the light source by the heat exchange device.

Abstract: In an apparatus producing hydrogen gas by the decomposition reaction of water using photocatalyst, its miniaturization is achieved while suppressing the decrease of production efficiency of hydrogen gas as low as possible or improving the efficiency. The apparatus 1 comprises a container portion 2 receiving water W; a photocatalyst member 3 immersed in the water, having photocatalyst which generates excited electrons and positive holes when irradiated with light, causes a decomposition reaction of the water and generates hydrogen gas; a light source 4 emitting the light irradiated to the photocatalyst member; and a heat exchange device 7 conducting waste heat of the light source to the water in the container portion; wherein the water to be decomposed on the photocatalyst member in the container portion is warmed by the waste heat of the light source by the heat exchange device.

Abstract: In an apparatus producing hydrogen gas by the decomposition reaction of water using photocatalyst, its miniaturization is achieved while suppressing the decrease of production efficiency of hydrogen gas as low as possible or improving the efficiency. The apparatus 1 comprises a container portion 2 receiving water W; a photocatalyst member 3 immersed in the water, having photocatalyst which generates excited electrons and positive holes when irradiated with light, causes a decomposition reaction of the water and generates hydrogen gas; a light source 4 emitting the light irradiated to the photocatalyst member; and a heat exchange device 7 conducting waste heat of the light source to the water in the container portion; wherein the water to be decomposed on the photocatalyst member in the container portion is warmed by the waste heat of the light source by the heat exchange device.

Abstract: A cell culture device comprises a first inner cylinder formed in a tubular shape, a cell culture membrane placed to cover over an entire one end of the first inner cylinder and configured to be folded down toward an outer surface of the first inner cylinder along an outer circumference at the one end of the first inner cylinder, and an outer cylinder formed in a tubular shape, configured to place the first inner cylinder inside thereof such that a height direction of the outer cylinder is identical with a height direction of the first inner cylinder, and provided with a first slit in an area overlapping with at least the one end of the first inner cylinder to be extended in the height direction, wherein the cell culture membrane is held between an inner wall surface of the outer cylinder and the outer surface of the first inner cylinder.

Abstract: A cell culture device comprises a cell culture membrane and a substrate fixed to the cell culture membrane. The cell culture membrane is made from a thermosetting resin and has a plurality of pores that are open to at least one surface including a surface on a side that is in contact with the substrate. The substrate is made from a thermoplastic resin. In a contact region between the cell culture membrane and the substrate, part of the substrate is extended to form bulges in the pores of the cell culture membrane that are open in the contact region. This configuration suppresses reduction of the strength of the cell culture membrane and reduction of the flatness of the cell culture membrane (membrane accuracy) in the cell culture device in which the cell culture membrane and the substrate are fixed to each other.

Abstract: A polyurethane porous membrane is produced by a simple method to be used for at least one of applications of cell culture and cancer cell growth inhibition. The production method of the polyurethane porous membrane to be used for at least one of the applications of cell culture and cancer cell growth inhibition comprises: a first step of forming a layer of a polyurethane material which is uncured, on a substrate; and a second step of supplying water vapor to an exposed surface of the layer of the polyurethane material formed on the substrate, which is away from the substrate, so as to cure the polyurethane material and provide the layer of the polyurethane material with a porous structure having a plurality of irregularities on the exposed surface.

Abstract: A cell culture device comprises a first inner cylinder formed in a tubular shape. a cell culture membrane placed to cover over an entire one end of the first inner cylinder and configured to be folded down toward an outer surface of the first inner cylinder along an outer circumference at the one end of the first inner cylinder, and an outer cylinder formed in a tubular shape, configured to place the first inner cylinder inside thereof such that a height direction of the outer cylinder is identical with a height direction of the first inner cylinder, and provided with a first slit in an area overlapping with at least the one end of the first inner cylinder to be extended in the height direction, wherein the cell culture membrane is held between an inner wall surface of the outer cylinder and the outer surface of the first inner cylinder.

Abstract: A cell culture device comprises a cell culture membrane and a substrate fixed to the cell culture membrane. The cell culture membrane is made from a thermosetting resin and has a plurality of pores that are open to at least one surface including a surface on a side that is in contact with the substrate. The substrate is made from a thermoplastic resin. In a contact region between the cell culture membrane and the substrate, part of the substrate is extended to form bulges in the pores of the cell culture membrane that are open in the contact region. This configuration suppresses reduction of the strength of the cell culture membrane and reduction of the flatness of the cell culture membrane (membrane accuracy) in the cell culture device in which the cell culture membrane and the substrate are fixed to each other.

Abstract: A polyurethane porous membrane is produced by a simple method to be used for at least one of applications of cell culture and cancer cell growth inhibition. The production method of the polyurethane porous membrane to be used for at least one of the applications of cell culture and cancer cell growth inhibition comprises: a first step of forming a layer of a polyurethane material which is uncured, on a substrate; and a second step of supplying water vapor to an exposed surface of the layer of the polyurethane material formed on the substrate, which is away from the substrate, so as to cure the polyurethane material and provide the layer of the polyurethane material with a porous structure having a plurality of irregularities on the exposed surface.

Abstract: An object of the present invention is to provide a polymer having a low LUMO, a high charge transport property, and further high solubility in a solvent. The present invention provides a polymer having a repeating unit represented by the formula (I): wherein Ar0 means an aromatic ring that may have a substituent or substituents, or a heterocycle that may have a substituent or substituents, and X1 and X2 are the same or different and each mean an oxygen atom or a sulfur atom.