Abstract: The present invention relates to a cell support including a base material containing a biocompatible substance or a base material having a surface to which the biocompatible substance is imparted, and gelatin particles held by the biocompatible substance of the base material. The cell support can be produced by a method of causing the base material containing a biocompatible substance to hold the gelatin particles. By seeding cells on the cell support and culturing the cells, a cell structure in which a reagent or a drug has been uniformly taken into more cells can be obtained.

Abstract: The present invention relates to a cell-supporting body, including: a base material including a biocompatible substance; and a gelatin particle retained on the base material. The cell-supporting body can be manufactured by a method of retaining a gelatin particle on a base material including a biocompatible substance. By seeding a cell on the cell-supporting body and culturing the cell, a cell structure in which a reagent or an agent is uniformly incorporated into more cells can be obtained.

Abstract: Disclosed herein are gelatin particles including gelatin, wherein when a major-axis length of dried gelatin particles is defined as a and a major-axis length of gelatin particles after swelling treatment obtained by immersing the dried gelatin particles in water at 40° C. under an atmospheric pressure for 60 minutes is defined as b, swelling degree represented by b/a is 1.0 or more but 10.0 or less, and wherein the gelatin particles after swelling treatment have a particle diameter of 1.0 nm or more but 5.0 ?m or less. The gelatin particles are easily taken up by cells themselves.

Abstract: A polishing system performs chemical-mechanical polishing of an object to be polished using an abrasive slurry. The polishing system includes a polishing amount calculator that measures an amount of free metal ions of a metallic element derived from the object to be polished in a processed slurry and calculates a polishing amount of the object to be polished from the amount of the free metal ions. The object to be polished is a glass containing the metallic element of Group 1 or Group 2 of a periodic table.

Abstract: Provided is a method for recycling a polishing agent slurry comprising: a first process including a slurry collecting process of collecting the used polishing agent slurry discharged from a polishing device; a desalting treatment process of reducing an ion concentration of the collected polishing agent slurry; and a dispersion treatment process of dispersing the polishing agent component and the constituent component of the object to be polished by adding a pH adjusting agent and a dispersing agent to the desalted polishing agent slurry; and after the first process, a second process of preparing a recycled polishing agent slurry from the polishing agent component by separating the polishing agent component and the constituent component of the object to be polished.

Abstract: An object of the present invention is to provide a method for assessing a differentiation state of cells, capable of assessing a differentiation state of a wide variety of cells, and gelatin nanoparticles and a gelatin nanoparticle set that can be used in the method. The purpose is achieved by a method for assessing a differentiation state of cells, the method including a step of observing expression of an mRNA encoding a peroxisome proliferator-activated receptor ? coactivator-1? (PGC-1?) or the peroxisome proliferator-activated receptor ? coactivator-1? (PGC-1?) in cells.

Abstract: A recycled polishing agent slurry is prepared from a used polishing agent slurry after polishing a silicon material using a reference polishing agent slurry including a cerium oxide polishing agent and a dispersing agent. The preparation method includes: slurry collecting in which the used slurry discharged from a polishing machine is collected; separation and concentration in which the cerium oxide polishing agent in the collected slurry is separated from a component derived from the material to be polished and then concentrated, and polishing agent recycling in which a pH adjusting agent and the dispersing agent are added to the separated and concentrated cerium oxide polishing agent, and a recycled polishing agent slurry is adjusted to have a pH value at 25° C. of in a range of 6.0 to 10.5 and an electrical conductivity value in a range of 0.10 to 10.00 times that of the reference slurry.

Abstract: The purpose of the present invention is to provide: a method which is for assessing the differentiation state of cells and by which the differentiation state of a wide variety of cells can be assessed; and gelatin nanoparticles which can be used in said method. The purpose is achieved by a method for assessing the differentiation state of cells, the method comprising a step for observing the expression of pyruvate dehydrogenase kinase 1 (PDK1) or mRNA (Pdk1) encoding pyruvate dehydrogenase kinase 1 in cells. Said method can be carried out by using gelatin nanoparticles which are used for assessing the differentiation state of cells and carry a probe capable of detecting Pdk1 or PDK1.

Abstract: An object of the present invention is to provide an abrasive slurry regeneration method capable of efficiently regenerating an abrasive slurry having a high polishing rate. The abrasive slurry regeneration method is an abrasive slurry regeneration method for polishing a polishing target containing silicon oxide as a main component using an abrasive slurry containing abrasive particles and a plurality of kinds of additives and then regenerating a collected abrasive slurry, characterized by including a regeneration step of collecting an additive having a molecular weight of 500 or more and an additive adsorbed by the abrasive particles among additives contained in the collected abrasive slurry together with the abrasive particles while an abrasive concentration (% by mass) is maintained within a range of 0.2 to 3000% with respect to an abrasive concentration (% by mass) of an unused abrasive slurry when being used for polishing a polishing target.

Abstract: A polishing agent regenerating method in which a component of a polished material is removed from polishing agent slurry and a polishing agent is collected and regenerated is shown. The method includes at least, polishing, polishing agent slurry supplying, polishing agent slurry collecting, and sedimenting/separating/concentrating, performed in the above order. In the polishing agent slurry collecting or the sedimenting/separating/concentrating, a K2O density in the polishing agent slurry after dilution by water is performed is to be within a range of 0.002-0.2 mass %.

Abstract: The present invention addresses the problem of providing: a hydrogel particle which can be taken into a cell by the action of the cell and can control the release of a magnetic particle enclosed therein into the cell so as to retain the magnetic particle in the cell for a long period; a method for producing the hydrogel particle; a cell or a cell structure each enclosing the hydrogel particle therein; and a method for evaluating the activity of a cell using the hydrogel particle. The present invention solves the problem by a hydrogel particle including: a domain which is composed of a first hydrogel; a matrix which encloses the domain and is composed of a second hydrogel having a different crosslinking degree or composition from that of the first hydrogel; and a magnetic particle which is supported by at least the first hydrogel.

Abstract: The purpose of the present invention is to provide composite particles for imaging that have high biodegradability after imaging. To achieve the above purpose, the composite particles for imaging according to the present invention are configured such that the ratio (long-term residual amount/short-term residual amount) of a long-term residual amount, which is the average value of the contrast rate after six days in a cell and the contrast rate after 11 days in a cell of the same type, and a short-term residual amount, which is the contrast rate after two days in a cell of the same type, is less than 99%.

Abstract: A detection chip includes: a liquid container; and a light-transmitting substrate in which one of two surfaces facing each other faces an inside of the liquid container and an LSPR structure that generates localized surface plasmon resonance by light irradiation is disposed on the other surface of the two surfaces or in a region sandwiched between the one surface and the other surface.

Abstract: Disclosed herein are gelatin particles that have been crosslinked without using a crosslinking agent and are easily taken up by cells themselves, and a method for producing such gelatin particles. The gelatin particles are made of self-crosslinked gelatin and have a particle diameter of 0.010 ?m or more but 5.0 ?m or less. The gelatin particles can be produced by discharging droplets of a liquid containing melted gelatin into air in a heating tube or a drying chamber and drying the droplets to form the gelatin into particles under conditions where a difference between the temperature in the heating tube or the drying chamber and the temperature of the liquid is 235° C. or less and further by crosslinking the gelatin forming the particles.

Abstract: A method for collecting an abrasive from an abrasive slurry which has been used for polishing an object including silicon as a main component includes: (i) adding a solvent to the abrasive slurry; (ii) dissolving particles of the polished object among components of the polished object contained in the abrasive slurry; and (iii) filtering the abrasive slurry to collect the abrasive, in which the steps (i) to (iii) are carried out without a pH adjuster to remove components of the polished object to collect the abrasive.

Abstract: A method for preparing a recycled abrasive slurry includes: polishing a material to be polished, which includes silicon as a main component, with an abrasive slurry including a plurality of kinds of additives added for different purposes; and preparing a recycled abrasive slurry from a collected abrasive slurry collected after the polishing, wherein the recycled abrasive slurry is prepared through: step 1 of removing, from the collected abrasive slurry, at least an additive B capable of decreasing a polishing rate among the plurality of additives, and step 2 of replenishing at least an additive A capable of increasing a polishing rate among the plurality of additives, to the abrasive slurry from which an additive has been removed, which has been prepared in step 1.

Abstract: An object of the invention is to provide an antibody dispersion for measurement, in which an antibody is favorably dispersed when used for a measurement, a production method thereof, a kit for preparing an antibody dispersion for measurement, and a measuring method of a biological substance. An antibody dispersion for measurement of the invention includes a monovalent metal salt and a divalent metal salt, in which the concentration of the monovalent metal salt is from 50 to 500 mM and the concentration of the divalent metal salt is from 1.0 to 50 mM.

Abstract: Disclosed herein are gelatin particles that have been crosslinked without using a crosslinking agent and are easily taken up by cells themselves, and a method for producing such gelatin particles. The gelatin particles are made of self-crosslinked gelatin and have a particle diameter of 0.010 ?m or more but 5.0 ?m or less. The gelatin particles can be produced by discharging droplets of a liquid containing melted gelatin into air in a heating tube or a drying chamber and drying the droplets to form the gelatin into particles under conditions where a difference between the temperature in the heating tube or the drying chamber and the temperature of the liquid is 235° C. or less and further by crosslinking the gelatin forming the particles.

Abstract: Disclosed herein are gelatin particles including gelatin, wherein when a major-axis length of dried gelatin particles is defined as a and a major-axis length of gelatin particles after swelling treatment obtained by immersing the dried gelatin particles in water at 40° C. under an atmospheric pressure for 60 minutes is defined as b, swelling degree represented by b/a is 1.0 or more but 10.0 or less, and wherein the gelatin particles after swelling treatment have a particle diameter of 1.0 nm or more but 5.0 ?m or less. The gelatin particles are easily taken up by cells themselves.

Abstract: A detection chip includes: a liquid container; and a light-transmitting substrate in which one of two surfaces facing each other faces an inside of the liquid container and an LSPR structure that generates localized surface plasmon resonance by light irradiation is disposed on the other surface of the two surfaces or in a region sandwiched between the one surface and the other surface.