Abstract: A sheet of biological tissue which includes on at least one side tapered edge portion thinning down in the thickness direction, towards an end thereof, a tubular structure obtained from the sheet, and an artificial blood vessel made up of the tubular structure are provided.

Abstract: An anti-adhesion material comprising decellularized tissues and a biocompatible polymer or fibrin glue; a method for preparing an anti-adhesion material comprising complexing a biocompatible polymer or fibrin glue to decellularized tissues; an anti-adhesion material kit comprising decellularized tissues and a biocompatible polymer or fibrin glue; a substitute biomembrane comprising decellularized tissues and a biocompatible polymer or fibrin glue; a method for preparing a substitute biomembrane comprising complexing a biocompatible polymer or fibrin glue to decellularized tissues; and a substitute biomembrane kit comprising decellularized tissues and a biocompatible polymer or fibrin glue.

Abstract: The present invention addresses the problem of providing a decellularized tissue having excellent cell adhesion properties. Provided is a decellularized tissue prepared by decellularizing a biological tissue, said decellularized tissue being characterized in that the ratio of endothermic energy amount, in terms of dry mass, of the decellularized tissue to the biological tissue before the decellularization is 0.70 or greater when measured by differential scanning calorimetry. The ratio by mass of DNA amount, in terms of dry mass, of the decellularized tissue to the biological tissue before the decellularization may be 0.300 or smaller.

Abstract: A polysaccharide derivative has a partial structure represented by Formula (1) below. It is preferable that at least one of the amino acids that constitute X2 in Formula (1) below is a basic amino acid. (In the formula, X1 represents a residue obtained by removing the terminal amino group and the terminal carboxyl group from a neutral amino acid or an ?-aminoalkanoic acid, X2 represents a residue obtained by removing the terminal amino group and the terminal carboxyl group from a membrane-permeable peptide, X3 represents a hydroxyl group, an amino group, an alkoxyl group having 1 to 4 carbon atoms, or a benzyloxy group, a represents a number of 0 or 1, and b represents a number of from 0 to 50.

Abstract: The present invention addresses the problem of providing a decellularized tissue having excellent cell adhesion properties. Provided is a decellularized tissue prepared by decellularizing a biological tissue, said decellularized tissue being characterized in that the ratio of endothermic energy amount, in terms of dry mass, of the decellularized tissue to the biological tissue before the decellularization is 0.70 or greater when measured by differential scanning calorimetry. The ratio by mass of DNA amount, in terms of dry mass, of the decellularized tissue to the biological tissue before the decellularization may be 0.300 or smaller.

Abstract: A polymer compound has a group represented by Formula (1) or Formula (2) in a side chain. (In Formula (1), X1 represents a neutral amino acid residue or an ?-aminoalkanoic acid residue, X2 represents a membrane-permeable peptide residue, X3 represents a hydroxyl group, an amino group, an alkoxyl group having 1 to 4 carbon atoms, or a benzyloxy group, and a represents a number of from 1 to 50.) (In Formula (2), X4 represents a neutral amino acid residue or an ?-aminoalkanoic acid residue, X5 represents a membrane-permeable peptide residue, X6 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a benzyl group, an acyl group having 1 to 6 carbon atoms, an arylsulfonyl group, or a carboxyl group, and b represents a number of from 1 to 50.).

Abstract: A sheet of biological tissue which includes on at least one side tapered edge portion thinning down in the thickness direction, towards an end thereof, a tubular structure obtained from the sheet, and an artificial blood vessel made up of the tubular structure are provided.

Abstract: An anti-adhesion material comprising decellularized tissues and a biocompatible polymer or fibrin glue; a method for preparing an anti-adhesion material comprising complexing a biocompatible polymer or fibrin glue to decellularized tissues; an anti-adhesion material kit comprising decellularized tissues and a biocompatible polymer or fibrin glue; a substitute biomembrane comprising decellularized tissues and a biocompatible polymer or fibrin glue; a method for preparing a substitute biomembrane comprising complexing a biocompatible polymer or fibrin glue to decellularized tissues; and a substitute biomembrane kit comprising decellularized tissues and a biocompatible polymer or fibrin glue.

Abstract: A polysaccharide derivative has a partial structure represented by Formula (1) below. It is preferable that at least one of the amino acids that constitute X2 in Formula (1) below is a basic amino acid. (In the formula, X1 represents a residue obtained by removing the terminal amino group and the terminal carboxyl group from a neutral amino acid or an ?-aminoalkanoic acid, X2 represents a residue obtained by removing the terminal amino group and the terminal carboxyl group from a membrane-permeable peptide, X3 represents a hydroxyl group, an amino group, an alkoxyl group having 1 to 4 carbon atoms, or a benzyloxy group, a represents a number of 0 or 1, and b represents a number of from 0 to 50.

Abstract: The present invention addresses the problem of providing a decellularized tissue having excellent cell adhesion properties. Provided is a decellularized tissue prepared by decellularizing a biological tissue, said decellularized tissue being characterized in that the ratio of endothermic energy amount, in terms of dry mass, of the decellularized tissue to the biological tissue before the decellularization is 0.70 or greater when measured by differential scanning calorimetry. The ratio by mass of DNA amount, in terms of dry mass, of the decellularized tissue to the biological tissue before the decellularization may be 0.300 or smaller.

Abstract: A polymer compound has a group represented by Formula (1) or Formula (2) in a side chain. (In Formula (1), X1 represents a neutral amino acid residue or an ?-aminoalkanoic acid residue, X2 represents a membrane-permeable peptide residue, X3 represents a hydroxyl group, an amino group, an alkoxyl group having 1 to 4 carbon atoms, or a benzyloxy group, and a represents a number of from 1 to 50.) (In Formula (2), X4 represents a neutral amino acid residue or an ?-aminoalkanoic acid residue, X5 represents a membrane-permeable peptide residue, X6 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a benzyl group, an acyl group having 1 to 6 carbon atoms, an arylsulfonyl group, or a carboxyl group, and b represents a number of from 1 to 50.

Abstract: A particulate decellularized tissue is provided which shows sufficiently effective tissue regeneration and does not show cytotoxicity when used as material for cell culture. In accordance with the method for preparing a particulate decellularized tissue comprising a step of applying a high hydrostatic pressure to animal-derived tissues in a medium, a particulate decellularized tissue is obtained which does not show cytotoxicity but shows the effect of cellular attraction and the effect of induction of cellular differentiation and shows a high effect of tissue regeneration.

Abstract: A hybrid gel comprising a particulate decellularized tissue (obtained by pulverizing animal-derived biological tissues that are decellularized (decellularized biological tissues)), fibrinogen and thrombin; a cell culture material comprising the hybrid gel; a method for preparing the hybrid gel; and a kit comprising a particulate decellularized tissue and a biological tissue adhesive are provided. The hybrid gel of the present invention exerts the effect to promote differentiation and gain of function of stem cells and the therapeutic effect to a variety of diseases.

Abstract: A compound has excellent thermal resistance and compatibility with resins, improves thermal resistance of resins, and specifically provides a compound represented by the following general formula (1). In formula (1), R1 to R4 each represent a C1-12 alkyl group or a C6-12 aryl group, y represents a number 1-2,000, and X1 represents a group represented by the formula (2) or (3). In formula (2), R5 represents a hydrogen atom, O., a C1-12 alkyl group or a C1-12 alkoxy group, L1 represents a C1-6 alkylene group or a C6-12 arylene group. In formula (3), R6 represents a C1-4 alkyl group or a C6-12 aryl group, X2 represents a group represented by the formula (2) or a hydrogen atom, s represents a number 2-6, L2 represents a C1-6 alkylene group or a C6-12 arylene group, and at least one of s number of X2s is the group represented by the formula (2).

Abstract: A diagnostic marker is composed of particles that have a diameter of from 1 nm to 100 ?m, the particles possessing on their surfaces a site that has a high specific bonding ability to a specific antigen residing on the mucosa of digestive cancers and a site that has a low bonding ability to the mucosa of digestive organs, and further incorporating an identification material.

Abstract: Provided are a curable composition for semiconductor encapsulation which produces a cured product that is excellent in heat resistance, electrical insulation properties at high temperatures, flexibility and heat cycle resistance, and a semiconductor device encapsulated by curing this curable composition. Specifically, there is provided a curable composition for semiconductor encapsulation containing, as component (A), a particular SiH group-containing siloxane compound; as component (B), a particular vinyl group-containing siloxane compound; as component (C), a compound having at least three SiH groups or at least three vinyl groups; and as component (D), a hydrosilylation catalyst.

Abstract: A compound has excellent thermal resistance and compatibility with resins, improves thermal resistance of resins, and specifically provides a compound represented by the following general formula (1). In formula (1), R1 to R4 each represent a C1-12 alkyl group or a C6-12 aryl group, y represents a number 1-2,000, and X1 represents a group represented by the formula (2) or (3). In formula (2), R5 represents a hydrogen atom, O., a C1-12 alkyl group or a C1-12 alkoxy group, L1 represents a C1-6 alkylene group or a C6-12 arylene group. In formula (3), R6 represents a C1-4 alkyl group or a C6-12 aryl group, X2 represents a group represented by the formula (2) or a hydrogen atom, s represents a number 2-6, L2 represents a C1-6 alkylene group or a C6-12 arylene group, and at least one of s number of X2s is the group represented by the formula (2).

Abstract: Provided are a curable composition for semiconductor encapsulation which produces a cured product that is excellent in heat resistance, electrical insulation properties at high temperatures, flexibility and heat cycle resistance, and a semiconductor device encapsulated by curing this curable composition. Specifically, there is provided a curable composition for semiconductor encapsulation containing, as component (A), a particular SiH group-containing siloxane compound; as component (B), a particular vinyl group-containing siloxane compound; as component (C), a compound having at least three SiH groups or at least three vinyl groups; and as component (D), a hydrosilylation catalyst.

Abstract: A silicon-containing compound of formula (1), and a curing composition containing a silicon-containing compound of formula (1) wherein Z is hydrogen, a silicon-containing compound of formula (1) wherein Z is C2-C4 alkenyl or alkynyl and a hydrosilylation catalyst. The composition has excellent handling and curing properties and provides a cured product with excellent heat resistance and flexibility. In formula (1), Ra-Rg=C1-C12 saturated aliphatic hydrocarbon group or C6-C12 aromatic hydrocarbon group. Re and Rf do not simultaneously represent C1-C12 saturated aliphatic hydrocarbon group; Y=C2-C4 alkylene; Z=hydrogen or C2-C4 alkenyl or alkynyl; K is 2-7; T is 1-7; P is 0-3; and M and N are numbers selected such that N:M=1:1 to 1:100, that all M's and N's total at least 15, and that the mass average molecular weight of the compound of formula (1) is 3,000 to 1,000,000.

Abstract: A curable composition which comprises at least one of the following (A), (B), and (C) and further contains (D) (provided that when (C) is not contained, both (A) and (B) are in the composition. (A): A silicon-containing polymer in which the content of components having a weight-average molecular weight of 1,000 or lower is 20 wt. % or lower and which has a reactive group A? and one or more Si—O—Si bonds. (B): A silicon-containing polymer in which the content of components having a weight-average molecular weight of 1,000 or lower is 20 wt. % or lower and which has an Si—H group and one or more Si—O—Si bonds. (C): A silicon-containing polymer in which the content of components having a weight-average molecular weight of 1,000 or lower is 20 wt. % or lower and which has a reactive group A?, an Si—H group, and one or more Si—O—Si bonds. (D): A catalyst for curing reaction which is a platinum catalyst.