Abstract: A sheet processing device, a sheet manufacturing apparatus, and a sheet processing method enable effectively removing the color material of printed parts. A sheet processing device for processing a printed sheets has a detector configured to detect the printed parts of the sheet; and a refining prevention agent applicator configured to selectively apply a refining prevention agent that prevents refinement of the sheet to a printed area including the printed parts detected by the detector.

Abstract: A processing apparatus includes a powder material supply portion that supplies a powder material containing a first particle group consisting of a plurality of first particles, and a second particle group consisting of a plurality of second particles and having an average particle diameter larger than that of the first particle group, to a fiber-containing material containing a fiber during or after defibrating, and a powder material removing portion that removes at least a portion of the powder material from the fiber-containing material supplied with the powder material. It is preferable that the processing apparatus include a defibrating portion that defibrates the fiber-containing material on an upstream side of the powder material supply portion.

Abstract: A processing apparatus includes a deinking material supply portion that supplies a deinking material to defibrated fibers, and an agitating portion that agitates a mixture of the deinking material and the fibers. The agitating portion includes a chamber and a rotary blade that rotates in the chamber.

Abstract: A sheet processing device, a sheet manufacturing apparatus, and a sheet processing method enable effectively removing the color material of printed parts. A sheet processing device for processing a printed sheets has a detector configured to detect the printed parts of the sheet; and a refining prevention agent applicator configured to selectively apply a refining prevention agent that prevents refinement of the sheet to a printed area including the printed parts detected by the detector.

Abstract: A processing device, a sheet manufacturing apparatus, a processing method, and a sheet manufacturing method enable quickly removing color material when color material is contained in a material containing fiber. A processing device has a defibrator configured to defibrate, in air, fibrous material containing fiber; and a particle supply device configured to supply particles of dry ice to the material containing fiber during defibration or after defibration. The material containing fiber contains color material; and the particles work to separate the color material for the fibers by colliding with the color material contained in the material containing fiber.

Abstract: Provided is a processing device which includes a fluffing section for fluffing fibers contained in a sheet-like material, the fibers being at least near a surface of the sheet-like material, and a particle supplying section for supplying particles having Mohs hardness of 2 to 5 to the fluffed fibers. In addition, in such processing device, the particle supplying section preferably has an ejecting portion for ejecting the particles.

Abstract: A processing device has a fibrillation portion fibrillating fiber-containing materials containing fibers in the air, a particle supply portion supplying particles having Mohs' hardness of 2 or more and 5 or less to the fiber-containing materials during or after the fibrillating at the fibrillation portion for collision of the particles and the fiber-containing materials, and a particle removal portion removing the particles from the fiber-containing materials to which the particles are supplied.

Abstract: A gel for a sensor characterized by including a stimulus-responsive gel which expands or contracts in response to a given stimulus, and an electrically conductive substance which is included in the stimulus-responsive gel.

Abstract: A stimulus-responsive gel material includes: a polymeric material containing as constituent components, a first monomer having a chemical structure represented by the following formula (1) and a second monomer having higher hydrophobicity than the first monomer; fine particles having an average particle diameter of 10 nm or more and 1000 nm or less; and a solvent, wherein the wavelength of a reflected light from the material changes according to the concentration of salt to come in contact with the material. In the formula (1), R is a substituent containing at least a carbon atom and a hydrogen atom, and when the number of carbon atoms in R is denoted by n and the number of oxygen atoms in R is denoted by m, n-m is an integer of 3 or more.

Abstract: A sweat collection device as a fluid collection device includes a collection section which collects sweat, and a discharge section which discharges the sweat collected by the collection section from the collection section. Further, the sweat collection device is attached to the skin as an adherend, and the collection section is configured to be hermetically sealed by attaching the sweat collection device to the skin. Further, the sweat collection device includes a transfer section which connects the collection section and the discharge section to each other. Further, the sweat collection device includes a gel-like response section which is placed on any of the collection section, the transfer section, and the discharge section, and responds to lactic acid contained in sweat.

Abstract: A cell treatment device which allows cell dispersion liquid including cancer cells to pass therethrough to cause at least the cancer cells to be subjected to at least one of a physical action, a chemical action, and a biologically activating action, includes: a slit member having a first surface and a second surface and including a through hole having a slit shape penetrating from the first surface to the second surface and extending in one direction, the through hole having a tapered portion, wherein the width of a cross section of the tapered portion orthogonal in the one direction reduces from the first surface toward the second surface side, and is smaller than an average diameter of the cancer cells at an end on the second surfaces side, and the cell dispersion liquid is allowed to pass from the first surface side through the through hole to the second surface side.

Abstract: A culture container includes a gel section constituted by a material containing a stimulus-responsive gel which expands or contracts in response to a stimulus by a given substance in at least a portion of a part coming into contact with a culture solution.

Abstract: A stimulus-responsive gel material includes: a first polymer containing an OH group and having a network structure; a second polymer having a phenylboronic acid structure; fine particles having an average particle diameter of 10 nm or more and 1000 nm or less; and a solvent, wherein a polymer chain of the second polymer penetrates into the network of the first polymer.

Abstract: A sensor includes a gel for a sensor and an electrode. The gel for a sensor includes a stimulus-responsive gel, first particles which are contained in the stimulus-responsive gel and are constituted by a material containing an electrically conductive substance, and second particles which are contained in the stimulus-responsive gel and contribute to structural coloration. It is preferred that when the electrical resistivity of the electrically conductive substance is represented by R1 (?·m) and the electrical resistivity of the constituent material of the second particles is represented by R2 (?·m), the following relationship is satisfied: 1×1012?R2/R1?1×1023. It is preferred that when the refractive index of the constituent material of the first particles is represented by n1 and the refractive index of the constituent material of the second particles is represented by n2, the following relationship is satisfied: ?0.8?n2?n1?1.5.

Abstract: A sensor includes a stimulus-responsive gel which reversibly expands or contracts in response to a given stimulus, an electrically conductive gel containing electrically conductive particles constituted by a material containing an electrically conductive substance, and an electrode connected to the electrically conductive gel. The electrically conductive particles preferably have an average particle diameter of 10 nm or more and 1000 ?m or less.

Abstract: A stimulus-responsive gel material includes: a first polymer having an OH group; a second polymer having a phenylboronic acid structure; fine particles having an average particle diameter of 10 nm or more and 1000 nm or less; and a solvent, wherein the material is capable of being put into a first state in which the OH group of the first polymer and the phenylboronic acid structure of the second polymer are bonded to each other, and a second state in which the bond between the OH group of the first polymer and the phenylboronic acid structure of the second polymer is dissociated, and the wavelength of a reflected light from the material is different between the first state and the second state.

Abstract: A cancer cell separating apparatus includes: a flow channel including an antibody fixation area having antibodies which bind specifically to cancer cells fixed thereon, wherein the cancer cells and non-cancer cells are separated using a difference in velocity of movement between the cancer cells and the non-cancer cells in cell slurry introduced into the flow channel.

Abstract: A stimulus-responsive gel material includes: a first polymer having an OH group; a second polymer having a phenylboronic acid structure; fine particles having an average particle diameter of 10 nm or more and 1000 nm or less; and a solvent, wherein the material is capable of being put into a first state in which the OH group of the first polymer and the phenylboronic acid structure of the second polymer are bonded to each other, and a second state in which the bond between the OH group of the first polymer and the phenylboronic acid structure of the second polymer is dissociated, and the wavelength of a reflected light from the material is different between the first state and the second state.

Abstract: A stimulus-responsive gel material includes: a polymeric material containing as constituent components, a first monomer having a chemical structure represented by the following formula (1) and a second monomer having higher hydrophobicity than the first monomer; fine particles having an average particle diameter of 10 nm or more and 1000 nm or less; and a solvent, wherein the wavelength of a reflected light from the material changes according to the concentration of salt to come in contact with the material. In the formula (1), R is a substituent containing at least a carbon atom and a hydrogen atom, and when the number of carbon atoms in R is denoted by n and the number of oxygen atoms in R is denoted by m, n-m is an integer of 3 or more.

Abstract: A stimulus-responsive gel material includes: a first polymer containing an OH group and having a network structure; a second polymer having a phenylboronic acid structure; fine particles having an average particle diameter of 10 nm or more and 1000 nm or less; and a solvent, wherein a polymer chain of the second polymer penetrates into the network of the first polymer.