Abstract: An optical waveguide-forming material has a low propagation loss even in a long wavelength region and has a high refractive index at a wavelength of 1,550 nm. An optical waveguide-forming composition includes (a) 100 parts by mass of a reactive silsesquioxane compound that is a polycondensation product of an alkoxysilane compound A of the following Formula [1]: Ar1—Si(OR1)3??[1] and an alkoxysilane compound B of the following Formula [2]: Ar2—Si(OR2)3??[2] and (b) 10 to 500 parts by mass of a fluorene compound of the following Formula [3]: An optical waveguide can be formed by using the composition.

Abstract: A nonlinear optically active copolymer having satisfactory orientation characteristics and able to allow for reduction in heat-induced orientation relaxation of a nonlinear optical material, and a nonlinear optical material obtained using the copolymer. The copolymer including at least a repeating unit A having adamantyl group and a repeating unit B having a nonlinear optically active moiety in one molecule, and an organic nonlinear optical material including the copolymer as a component.

Abstract: An optical waveguide-forming material has a low propagation loss even in a long wavelength region and has a high refractive index at a wavelength of 1,550 nm. An optical waveguide-forming composition includes (a) 100 parts by mass of a reactive silsesquioxane compound that is a polycondensation product of an alkoxysilane compound A of the following Formula [1]: Ar1—Si(OR1)3??[1] and an alkoxysilane compound B of the following Formula [2]: Ar2—Si(OR2)3??[2] and (b) 10 to 500 parts by mass of a fluorene compound of the following Formula [3]: An optical waveguide can be formed by using the composition.

Abstract: A method for adjusting hardness of a stick-shaped base material including a lipid peptide compound. A method for adjusting hardness of a gelled solid base material for skin external application including a surfactant, water, and lipid peptide compound including compounds of formulae (1) or similar, wherein R1 is a C9-23 aliphatic group, R2 is a hydrogen atom or similar, and R3 is a —(CH2)n-X group, n is a number from 1 to 4, and X is amino group, the method including adding a pH adjuster to a solution in which the material is dissolved, or a solution including a surfactant, water, and lipid peptide compound including at least one of compounds of formulae (1) to (3) or pharmaceutically usable salts thereof, to adjust the pH of the solution to a weak acidic to neutral range, causing gelation of the solution to form a solid base material for skin external application.

Abstract: A nonlinear optically active copolymer having satisfactory orientation characteristics and able to allow for reduction in heat-induced orientation relaxation of a nonlinear optical material, and a nonlinear optical material obtained using the copolymer. The copolymer including at least a repeating unit A having adamantyl group and a repeating unit B having a nonlinear optically active moiety in one molecule, and an organic nonlinear optical material including the copolymer as a component.

Abstract: A method for adjusting hardness of a stick-shaped base material including a lipid peptide compound. A method for adjusting hardness of a gelled solid base material for skin external application including a surfactant, water, and lipid peptide compound including compounds of formulae (1) or similar, wherein R1 is a C9-23 aliphatic group, R2 is a hydrogen atom or similar, and R3 is a —(CH2)n-X group, n is a number from 1 to 4, and X is amino group, the method including adding a pH adjuster to a solution in which the material is dissolved, or a solution including a surfactant, water, and lipid peptide compound including at least one of compounds of formulae (1) to (3) or pharmaceutically usable salts thereof, to adjust the pH of the solution to a weak acidic to neutral range, causing gelation of the solution to form a solid base material for skin external application.

Abstract: A solid base material for skin external application has a breaking strength high enough to be used for a stick-shaped base material and the like. A solid base material for skin external application has: a surfactant; water; and a lipid peptide compound including at least one of compounds of Formula (1) and the analogous thereof or pharmaceutically usable salts of the compound: wherein R1 is a C9-23 aliphatic group; R2 is a hydrogen atom, or a C1-4 alkyl group that may have a C1 or C2 branched chain; R3 is a —(CH2)n—X group, where n is a number from 1 to 4, and X is amino group, guanidino group, —CONH2 group, or a 5-membered or 6-membered ring that may have 1 to 3 nitrogen atoms or a condensed heterocycle composed of 5-membered and 6-membered rings that may have 1 to 3 nitrogen atoms.

Abstract: A solid base material for external use on skin that has a breaking strength sufficiently high to be usable as a stick-shaped base material or the like. A solid base material for external use on skin containing a lipid peptide compound including at least one of compound of Formula (1), the similar compound thereof and the pharmacologically usable salts thereof; water; and a 1,3-alkanediol; wherein R1 is a C9-23 aliphatic group; R2 is a hydrogen atom or a C1-4 alkyl group optionally having a C1 or C2 branched chain; and R3 is a —(CH2)n—X group, wherein n is a number from 1 to 4, and X is amino group, guanidino group, -CONH2 group, or a 5-membered ring group or 6-membered ring group optionally having one to three nitrogen atoms or a fused heterocyclic group composed of the 5-membered ring and the 6-membered ring.

Abstract: A solid base material for external use on skin usable as a stick-shaped base material or similar, and has excellent thermal stability and a breaking strength sufficiently high, including a lipid peptide compound including at least one of compounds of formula (1) wherein R1 is a C9-23 aliphatic group, R2 is a hydrogen atom or a C1-4 alkyl group optionally having a C1 or C2 branched chain, and R3 is a —(CH2)n—X group, wherein n is a number from 1 to 4, and X is amino group, guanidino group, -CONH2 group, or a 5-membered ring or 6-membered ring optionally having one to three nitrogen atoms or a fused heterocyclic ring composed of the 5- and 6-membered ring, and analogue compound thereof, or pharmacologically usable salts thereof, and a surfactant, water, and at least one saturated or unsaturated monohydric alcohol having a carbon atom number of 8 to 30.

Abstract: A hydrogel-forming material, a premix, and a method for forming a hydrogel through a simple process at room temperature. The material including: a disperse phase (A) including a lipid peptide-based gelator including at least one of a compound of Formula (1) or pharmaceutically usable salt thereof, water, and a fatty acid salt; and a phase (B) that includes a water-soluble acidic polymer: (where R1 is a C9-23 aliphatic group, R2 is a hydrogen atom or a C1-4 alkyl group that optionally has a C1-2 branched chain, R3 is a —(CH2)n-X group, n is a number of 1 to 4, X is an amino group, a guanidino group, a —CONH2 group, a 5-membered ring optionally containing 1 to 3 nitrogen atom(s), a 6-membered ring optionally containing 1 to 3 nitrogen atom(s), or a condensed heterocycle that contains a 5-membered ring and a 6-membered ring optionally containing 1 to 3 nitrogen atom(s)).

Abstract: A hydrogel-forming material, a premix, and a method for forming a hydrogel through a simple process at room temperature. The material including: a disperse phase (A) including a lipid peptide-based gelator including at least one of a compound of Formula (1) or pharmaceutically usable salt thereof, water, and a fatty acid salt; and a phase (B) that includes a water-soluble acidic polymer: (where R1 is a C9-23 aliphatic group, R2 is a hydrogen atom or a C1-4 alkyl group that optionally has a C1-2 branched chain, R3 is a —(CH2)n—X group, n is a number of 1 to 4, X is an amino group, a guanidino group, a —CONH2 group, a 5-membered ring optionally containing 1 to 3 nitrogen atom(s), a 6-membered ring optionally containing 1 to 3 nitrogen atom(s), or a condensed heterocycle that contains a 5-membered ring and a 6-membered ring optionally containing 1 to 3 nitrogen atom(s)).

Abstract: A solid base material for skin external application has a breaking strength high enough to be used for a stick-shaped base material and the like. A solid base material for skin external application has: a surfactant; water; and a lipid peptide compound including at least one of compounds of Formula (1) and the analogous thereof or pharmaceutically usable salts of the compound: wherein R1 is a C9-23 aliphatic group; R2 is a hydrogen atom, or a C1-4 alkyl group that may have a C1 or C2 branched chain; R3 is a —(CH2)n—X group, where n is a number from 1 to 4, and X is amino group, guanidino group, —CONH2 group, or a 5-membered or 6-membered ring that may have 1 to 3 nitrogen atoms or a condensed heterocycle composed of 5-membered and 6-membered rings that may have 1 to 3 nitrogen atoms.

Abstract: There is provided a gel sheet that has high biocompatibility and safety, can contain both a hydrophilic medicinal agent and a hydrophobic medicinal agent, and provides an excellent feel in use during the application onto human skin or others. A gel sheet including: a lipid peptide gelator including a low molecular weight lipid peptide having a molecular weight of 1,000 or less or a pharmaceutically usable salt of the lipid peptide; and a polymeric compound, wherein the polymeric compound is included in an amount of more than 1% (w/w) and less than 50% (w/w) with respect to the total mass of the gel sheet.

Abstract: There is provided a hydrogel-forming material from which a hydrogel can be formed with a simpler method and under milder conditions. A hydrogel-forming material comprising a lipid peptide-type gelator that is formed of at least one selected from compound of the following formula (1): where R1 is a C9-23 aliphatic group; R2 is a hydrogen atom or a C1-4 alkyl group which optionally has a C1-2 branched chain; R3 is a —(CH2)n—X group; n is a number from 1 to 4; and X is an amino group, a guanidino group, a —CONH2 group, or a 5-membered ring group or a 6-membered ring group, or a condensed ring group that contains a 5-membered ring and a 6-membered ring, optionally containing 1 to 3 nitrogen atoms, and the similar compounds or pharmaceutically usable salts thereof; water; and an additive including either an organic acid or an organic acid salt.

Abstract: A hydrogel-forming material, a premix, and a method for forming a hydrogel through a simple process at room temperature. The material including: a disperse phase (A) including a lipid peptide-based gelator including at least one of a compound of Formula (1) or pharmaceutically usable salt thereof, water, and a fatty acid salt; and a phase (B) that includes a water-soluble acidic polymer: (where R1 is a C9-23 aliphatic group, R2 is a hydrogen atom or a C1-4 alkyl group that optionally has a C1-2 branched chain, R3 is a —(CH2)n—X group, n is a number of 1 to 4, X is an amino group, a guanidino group, a —CONH2 group, a 5-membered ring optionally containing 1 to 3 nitrogen atom(s), a 6-membered ring optionally containing 1 to 3 nitrogen atom(s), or a condensed heterocycle that contains a 5-membered ring and a 6-membered ring optionally containing 1 to 3 nitrogen atom(s)).

Abstract: There is provided a hydrogel-forming material from which a hydrogel can be formed with a simpler method and under milder conditions. A hydrogel-forming material comprising a lipid peptide-type gelator that is formed of at least one selected from compound of the following formula (1): where R1 is a C9-23 aliphatic group; R2 is a hydrogen atom or a C1-4 alkyl group which optionally has a C1-2 branched chain; R3 is a —(CH2)n—X group; n is a number from 1 to 4; and X is an amino group, a guanidino group, a —CONH2 group, or a 5-membered ring group or a 6-membered ring group, or a condensed ring group that contains a 5-membered ring and a 6-membered ring, optionally containing 1 to 3 nitrogen atoms, and the similar compounds or pharmaceutically usable salts thereof; water; and an additive including either an organic acid or an organic acid salt.

Abstract: There is provided a gel sheet that has high biocompatibility and safety, can contain both a hydrophilic medicinal agent and a hydrophobic medicinal agent, and provides an excellent feel in use during the application onto human skin or others. A gel sheet including: a lipid peptide gelator including a low molecular weight lipid peptide having a molecular weight of 1,000 or less or a pharmaceutically usable salt of the lipid peptide; and a polymeric compound, wherein the polymeric compound is included in an amount of more than 1% (w/w) and less than 50% (w/w) with respect to the total mass of the gel sheet.