Abstract: A food processing apparatus includes: a container that includes a space for accommodating a food item; a catalyst film that includes an activation surface in contact with the space; and a light source that is disposed closer to a principal surface of the catalyst film than to the activation surface in a thickness direction of the catalyst film, and emits ultraviolet light toward the catalyst film. The principal surface is on an opposite side of the catalyst film with respect to the activation surface. The catalyst film includes a surface layer including the activation surface and an absorption layer including the principal surface. The absorption layer contains an ultraviolet-light absorbing particle that absorbs a portion of the ultraviolet light.

Abstract: A food processing apparatus includes a reaction vessel that has a tubular shape with a bottom and contains a reactant that is liquid and to be used for food, a reactor (for example, a reaction pipe) that is disposed in the reaction vessel and provided with a photocatalyst, a light source that irradiates the photocatalyst with light, a cooler that cools the reactant in the reaction vessel, a lid that closes an opening of the reaction vessel, and a gas supplier (for example, a gas container) that supplies an oxygen-containing gas into the reaction vessel via a first through-hole formed in the lid or in a part of a side wall portion of the reaction vessel in a vicinity of the lid. An inside of the reaction vessel is controllably gastight.

Abstract: A food processing apparatus in the present disclosure includes a reaction tank, a stirring body, and catalyst-attached members. The reaction tank stores a liquid reactant for food. The stirring body stirs the reactant stored in the reaction tank by rotating. The catalyst-attached members each have an outer surface at which a photocatalyst is present. The food processing apparatus satisfies the following condition (I), the following condition (II), or the following conditions (I) and (II). (I) A diameter of a circle that is a track formed by an outermost end of the stirring body in a direction perpendicular to a rotation axis when the stirring body rotates is greater than or equal to a maximum dimension. (II) The stirring body pushes the reactant toward a bottom of the reaction tank in a direction parallel to the rotation axis Ax when the stirring body rotates.

Abstract: A method for operating a food processing apparatus is provided. The food processing apparatus includes a reaction vessel that has a space that accumulates a liquid reactant used for a food product; a catalytic reactor that includes a reaction tube and a light source; and an introducing tube for introducing the reactant into the reaction vessel. The reaction tube has an outer surface where a photocatalyst is provided. The reaction tube transmits light. The light source generates heat at a time of light emission in which the light source emits light from an inner side of the reaction tube. The method for operating the food processing apparatus includes introducing the reactant into the reaction vessel from the introducing tube. In the introducing, the reactant is introduced up to a position at which a liquid surface of the reactant is positioned higher than an opening portion of the introducing tube.

Abstract: A problem of the present invention is to provide a simple method for producing food or drink having green flavor. A solution for the problem is a method for producing food or drink having green flavor, comprising a step A of photocatalytically treating a lipid containing a fatty acid having 10 to 18 carbon atoms and a step B of heating the photocatalytically-treated product obtained in step A.

Abstract: A catalyst 1 for food processing of the present disclosure includes a support 10 and a catalyst film 20. The catalyst film 20 is formed on the support 10 and contains a metal oxide. The catalyst film 20 has a first layer 21 and a second layer 22. The second layer 22 is separated from the support 10 by the first layer 21. A transmittance of the first layer 21 for light having a wavelength of 400 nm to 600 nm is higher than a transmittance of the second layer 22 for light having a wavelength of 400 nm to 600 nm. The second layer 22 has surface irregularities 22a having a radial wavelength of 25 nm to 90 nm.

Abstract: A food processing apparatus 1a of the present disclosure includes a container 10, a catalyst film 20, and a light source 30. The container 10 has a space 15 for containing food F. The catalyst film 20 has an active surface 21a in contact with the space 15. The light source 30 is disposed at a position closer to a main surface 22a of the catalyst film 20 located on a side opposite to the active surface 21a than to the active surface 21a in a thickness direction of the catalyst film 20. The light source 30 emits ultraviolet light U toward the catalyst film 20. An absorptivity of the catalyst film 20 for the ultraviolet light U is 50% or more.

Abstract: A food processing apparatus includes a reaction tank having an internal space for storing a reactant that is in a liquid state and that is used for food, a cooler that cools a reactant stored in the reaction tank, and a catalytic reactor disposed in the internal space. The catalytic reactor includes a reaction tube, a light source disposed in the interior of the reaction tube, and a heat insulator disposed between the reaction tube and the light source. The outer surface of the reaction tube is provided with a photocatalyst. The reaction tube allows light radiated from the light source to pass therethrough. The reaction tube has a first end, and the first end is closed so as to serve as a bottom surface of the reaction tube. The thermal conductivity of the heat insulator is lower than the thermal conductivity of the reaction tube.

Abstract: A method for operating a food processing device includes an irradiation step. The food processing device includes a reaction vessel and a catalyst reactor. The reaction vessel receives a mixture in a liquid form including a raw material for a food product and water. The catalyst reactor is disposed in the reaction vessel. The catalyst reactor includes a reaction tube and a light source disposed in the reaction tube. The reaction tube has an outer surface on which a photocatalyst is provided, and transmits light emitted from the light source. The method for operating the food processing device includes the irradiation step of performing irradiation with light from the light source while water is in contact with the outer surface of the reaction tube in a period after a reaction product is removed from the reaction vessel and before a raw material is subsequently introduced into the reaction vessel.

Abstract: A food processing apparatus includes a reaction tank having an internal space for storing a reactant that is in a liquid state and that is used for food, a cooler that cools a reactant stored in the reaction tank, and a catalytic reactor disposed in the internal space. The catalytic reactor includes a reaction tube, a light source disposed in the interior of the reaction tube, and a heat insulator disposed between the reaction tube and the light source. The outer surface of the reaction tube is provided with a photocatalyst. The reaction tube allows light radiated from the light source to pass therethrough. The reaction tube has a first end, and the first end is closed so as to serve as a bottom surface of the reaction tube. The interior of the reaction tube is filled with a dry gas.

Abstract: A food processing device includes a reaction vessel, a stirrer including a stirring body, and catalyst reactors. Each catalyst reactor includes a reaction tube and a light source. The reaction tube has an outer surface on which a photocatalyst is provided, and transmits light. The catalyst reactors are arranged around a rotating shaft. The light source includes light emitters disposed at different positions. When viewed in an axial direction of the rotating shaft, the catalyst reactors have equal phases. The phase of each catalyst reactor is a phase of a reference direction of the reaction tube of the catalyst reactor with respect to a straight line connecting centers of the rotating shaft and the reaction tube. The reference direction of the reaction tube is a direction determined on the basis of a direction in which light is emitted from the light emitters and a positional relationship between the light emitters.

Abstract: A food processing apparatus includes a reaction tank having a first space for storing a liquid reactant to be used for a food; a stirrer including a first stirring body that stirs the reactant in the reaction tank by rotating; catalytic reactors, the catalytic reactors each including a reaction tube and a light source disposed in the reaction tube, the reaction tube having an outer surface provided with a photocatalyst, the reaction tube allowing light emitted from the light source to pass therethrough; and a temperature adjuster that adjusts the temperature of the reactant in the reaction tank. The catalytic reactors are disposed around a first rotary shaft of the first stirring body to be spaced from each other. The temperature adjuster surrounds the catalytic reactors.

Abstract: The present invention provides a novel modified protein which is to be used, as a novel detection tool relating to gene expression, for detecting a chromatin open structure more easily at a higher sensitivity than by the conventional technique. The present invention relates to: a nucleic acid binding fluorescent protein, said protein containing a DNA binding domain in which 3 or more TAL-repeats are repeatedly connected, characterized by binding independently from base sequences; and a method for fluorescent labeling of an open chromatin in a vital cell, said method comprising a step for transferring a gene encoding a nucleic acid binding protein into the vital cell, characterized in that the nucleic acid binding protein is a protein comprising a DNA binding domain, in which 3 or more TAL-repeats are repeatedly connected, and a fluorescent protein directly or indirectly bound thereto and the DNA binding domain binds to a nucleic acid independently from base sequences.

Abstract: Provided is a fabrication method of a photocatalytic material in which a single layer of a carbon-based participate is formed on a surface of each of titanium dioxide particle. The method includes (a) loading titanium dioxide particles into an electric furnace comprising a mechanism for rotating a core tube; (b) heating an inside of the core tube of the electric furnace into which the titanium dioxide particles have been loaded to a temperature of not less than 400° C. and not more than 800° C., while an inert gas is introduced into the inside of the core tube; (c) supplying a hydrocarbon gas to the inside of the core tube in addition to the inert gas; and (d) performing a thermal CVD on each of the titanium dioxide particles in a fluidized state inside the core tube, while the core tube is rotated, to form a single layer of a carbon-based precipitate containing graphene on a surface of each of the titanium dioxide particles. A photocatalyst material is provided.

Abstract: A method for controlling a liquid treatment apparatus of the present disclosure includes: (i) providing the liquid treatment apparatus; (ii) treating a polluted liquid in a photocatalytic reaction tank by a photocatalytic reaction to produce a treated liquid; (iii) introducing a liquid mixture into a separation tank from the photocatalytic reaction tank through a feed passage by a circulation pump; (iv) introducing a filtrate to an outside of the separation tank through an extraction passage while filtering the liquid mixture introduced into the separation tank by a filtration membrane, and feeding the liquid mixture to the photocatalytic reaction tank through an overflow passage; and (v) making a flow rate of the liquid mixture measured by a liquid mixture flow meter higher than a flow rate of the filtrate measured by a filtrate flow meter by controlling the circulation pump by a controller.

Abstract: A water treatment method includes: calculating a total amount of ions contained in a total amount of an aqueous solution introduced into a first tank; when the calculated total amount of ions is greater than a first threshold value, introducing part of slurry in the first tank into a second tank; introducing, with an introducing unit, one of a marker molecule and a stain into the second tank; irradiating, from a second light source, the second tank with visible light; detecting, with a detector, first intensity of the visible light having transmitted through the second tank; and outputting, when the activity of photocatalytic particles calculated based on the first intensity is equal to or smaller than a second threshold value, information prompting replacement of the photocatalytic particles, an instruction of recovering the activity of the photocatalytic particles, or information indicative of deterioration of the photocatalytic particles.

Abstract: The present disclosure provides a liquid treatment method and apparatus according to which poorly treated liquid is prevented from being discharged to the outside thereof. The liquid treatment apparatus of the present disclosure comprises a channel switch, a return channel that establishes communication between the channel switch and an internal space of a first tank, and a discharge channel that establishes communication between the channel switch and the outside of the liquid treatment apparatus. In the circulation state, the liquid mixture is circulated in the liquid treatment apparatus so as to return a liquid to the first tank through the return channel. If a concentration of the photocatalyst particles contained in the first tank falls within a predetermined range, the channel switch is switched from the circulation state to the discharge state to discharge the liquid to the outside of the liquid treatment apparatus.

Abstract: Provided is a fabrication method of a photocatalytic material in which a single layer of a carbon-based participate is formed on a surface of each of titanium dioxide particle. The method includes (a) loading titanium dioxide particles into an electric furnace comprising a mechanism for rotating a core tube; (b) heating an inside of the core tube of the electric furnace into which the titanium dioxide particles have been loaded to a temperature of not less than 400° C. and not more than 800° C., while an inert gas is introduced into the inside of the core tube; (c) supplying a hydrocarbon gas to the inside of the core tube in addition to the inert gas; and (d) performing a thermal CVD on each of the titanium dioxide particles in a fluidized state inside the core tube, while the core tube is rotated, to form a single layer of a carbon-based precipitate containing graphene on a surface of each of the titanium dioxide particles. A photocatalyst material is provided.

Abstract: A water treatment method includes: introducing an aqueous solution containing impurities into a first tank; irradiating, from a light source, photocatalytic particles with ultraviolet light, to turn the aqueous solution introduced into the first tank into primary post-treatment water with which the impurities have been treated; reducing pressure in a first chamber by a filtering pump to filter the primary post-treatment water with a filtering membrane, the filtering separating the primary post-treatment water into the photocatalytic particles stopped at the filtering membrane and secondary post-treatment water that passes through the filtering membrane and does not contain the photocatalytic particles; measuring concentration of photocatalytic particles in the first tank; measuring the difference in pressure between the first chamber and the second chamber; and when the concentration of the photocatalytic particles is equal to or smaller than the first threshold value and the difference in pressure between th

Abstract: A method for controlling a liquid treatment apparatus of the present disclosure includes: (i) providing the liquid treatment apparatus; (ii) treating a polluted liquid in a photocatalytic reaction tank by a photocatalytic reaction to produce a treated liquid; (iii) introducing a liquid mixture into a separation tank from the photocatalytic reaction tank through a feed passage by a circulation pump; (iv) introducing a filtrate to an outside of the separation tank through an extraction passage while filtering the liquid mixture introduced into the separation tank by a filtration membrane, and feeding the liquid mixture to the photocatalytic reaction tank through an overflow passage; and (v) making a flow rate of the liquid mixture measured by a liquid mixture flow meter higher than a flow rate of the filtrate measured by a filtrate flow meter by controlling the circulation pump by a controller.