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Amagasaki, Japan

DAISO Co. | Date: 2013-04-15

An electroconductive ink composition comprising silver particles (A), a compound having a siloxane backbone with a functional group (B), and an organic solvent (C), the silver particles (A) having a protective layer containing an amino group-containing compound and having a mean particle size of 1 nm or more and 100 nm or less, the content of the compound (B) being 4% by weight to 8% by weight based on the total amount of the composition, can form a circuit pattern on a polymer film with low heat resistance, and the obtained circuit pattern has excellent adhesion to a substrate and high conductivity.

It is an object of the present invention to provide an anode for a zero-gap brine electrolyzer which through employment of a highly roughened surface at a catalyst layer at an anode for a zero-gap brine electrolyzer makes it possible to achieve sufficient liquid permeability and further reduction in electrolyzing voltage and a brine electrolysis method employing same . The present invention relates to an anode for a zero-gap brine electrolyzer equipped with a liquid-permeable conductive substrate

Provided is a chlorine dioxide-generating product comprising an inorganic porous carrier carrying a chlorite and an alkali agent. In the product, the alkali agent is carried in an amount of more than 0.7 molar equivalent and not more than 2 molar equivalents relative to the amount of the chlorite carried, and the product has a water content of 10% by weight or less. The chlorine dioxide-generating product can stably generate chlorine dioxide gas in an amount that sufficiently achieves deodorization, sterilization, virus removal, mold prevention, antisepsis, or the like of spatial environments, foods, or others but exerts no harmful effect on humans, over a long period of time.

An object of the present invention is to provide a carrier on which Protein A has been immobilized, the Protein A having a specific amino acid sequence that permits the desorption of antibodies under mild pH conditions (specifically, pH4.0 to 5.5) in which many antibodies do not undergo acid modification; and a manufacturing method for the carrier. An immobilization carrier (excluding an immobilization carrier having a monolith structure) on which a protein is adsorbed by electrostatic interaction, the protein consisting of an amino acid sequence represented by the general formula: R1-R2-R3-R4-R5-R6, wherein the part represented by R1-R2-R3 is used for immobilization on the immobilization carrier, wherein: the sequence represents a sequence from the amino-terminal side towards the carboxyl-terminal side; the sequence of the R2 part is the sequence of a Protein A mutant as a protein to be immobilized or a sequence in which 1 to 3 units of the sequence thereof were linked together, the Protein A mutant having characteristics of strongly binding to an antibody under neutral conditions and dissociating with the antibody bound under neutral conditions under weakly acidic conditions of pH 4.0 to 5.5.

DAISO Co. | Date: 2014-03-27

Provided are a composition for enhanced production of a useful substance in cells containing a polysaccharide, a medium for cell culture containing a polysaccharide, and a process for preparing a useful substance including culturing cells in a medium for cell culture containing a polysaccharide.

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