Abstract: Provided is a piezoelectric material including a lead-free perovskite-type composite oxide which is excellent in piezoelectric characteristics and temperature characteristics and is represented by the general formula (1): xABO3-yA?BO3-zA?B?O3 in which A is a Bi element; A? is a rare earth element including La; B is at least one element selected from Ti, Zn, Sn and Zr; A? is at least one element selected from Ba, Sr and Ca; B? is at least one element selected from divalent, trivalent, pentavalent, tetravalent, and hexavalent elements; and x is a value of 0.10 or more and 0.95 or less, y is a value of 0 or more and 0.5 or less, and z is a value of 0 or more and 0.7 or less, provided that x+y+z=1.

Abstract: An optical member including an oxide layer that has a stable fine textured structure and is excellent in durability is provided. The optical member includes a base material and an antireflection coating on a surface of the base material. The antireflection coating includes at least an oxide layer having a fine textured structure on the surface, and the oxide layer contains a phosphate compound. Furthermore, a method of manufacturing the optical member is provided.

Abstract: Provided is a piezoelectric material including a lead-free perovskite-type composite oxide which is excellent in piezoelectric characteristics and temperature characteristics and is represented by the general formula (1): xABO3-yA?BO3-zA?B?O3 in which A is a Bi element; A? is a rare earth element including La; B is at least one element selected from Ti, Zn, Sn and Zr; A? is at least one element selected from Ba, Sr and Ca; B? is at least one element selected from divalent, trivalent, pentavalent, tetravalent, and hexavalent elements; and x is a value of 0.10 or more and 0.95 or less, y is a value of 0 or more and 0.5 or less, and z is a value of 0 or more and 0.7 or less, provided that x+y+z=1.

Abstract: Nano-oxide particles are surface-protected with a polyvinyl monomolecular film having a binding functional group. The surface-protected nano-oxide particles are produced through vinyl polymerization of a vinyl monomer having a binding functional group in a solution containing nano-oxide particles, the vinyl monomer having the binding functional group, and a dispersion medium. The dispersion medium is contained in the solution in an amount of 70 wt. % or more.

Abstract: Provided is a structure designed for adsorption, which is suitable for removing dioxin and dioxin-like substances from leachate and ground water from polluted soils or garbage, washing effluent from garbage incinerators and so on that contain DNA intercalators, particularly, dioxin and dioxin-like substances. The structure designed for adsorption is a structure designed for adsorption having an adsorbing layer containing, as a constituent, a DNA complex containing a DNA-binding protein, DNA including double strand DNA and a carrier, which can selectively remove DNA intercalators with high efficiency from water, gas and so on containing them.

Abstract: Provided is a ferroelectric ceramic material containing BaTiO3 as a main component which can control a Curie temperature in a wide range, has no phase transition in the vicinity of a room temperature, and exhibits excellent ferroelectric characteristics. The ferroelectric ceramic material includes an oxide represented by the formula: (100?a?b)BaTiO3.aBi2O3.bM2O3, where M represents a trivalent metal other than Bi, and a and b satisfy 1?a?15, 0?b?5, and 5?a+3b?15 and M is preferably a trivalent metal selected from fifth period transition metals or rare earth metals having an atomic number of 59 or higher to 69 or lower.

Abstract: An electrolyte membrane made of a phosphate-containing siloxane-based polymer for fuel cell, where the polymer comprises a siloxane backbone and a poly(meth)acrylate chain to which phosphate groups are attached, and the polymer is formed by vinyl polymerization of a silane compound having a (meth)acrylate functional group or a hydrolysis-polycondensation product thereof and a (meth)acrylate compound having a phosphate group, followed by siloxane crosslinking. The electrolyte membrane of a siloxane-based polymer has a high conductivity for a fuel cell.

Abstract: A composite material is constituted by fine nano-oxide particles, a dispersant, and a transparent resin material. The dispersant includes a polymer of vinyl monomer having a binding acidic group. When ? is a dimensionless number defined by an average particle size (nm) of the fine nano-oxide particles divided by nm, the polymer has a degree of polymerization of an integer of 3 or more and 8×? or less with the proviso that the integer is a numerical value obtained by dropping a decimal fraction. The composite material is produced through a step of obtaining a dispersant comprising a polymer by polymerizing a vinyl monomer having a binding acidic group in the presence of polyamine or in an aqueous dilute dispersion, and a step of mixing the dispersant, fine nano-oxide particles, and a transparent resin material.

Abstract: There are provided a polymer electrolyte membrane having at least one surface with an average surface roughness Ra? of from 30 nm to 500 nm and a surface area ratio Sr of 1.2 or more in which Sr is defined as S/S0 with S0 representing a surface area when the at least one surface is ideally flat and S representing an actual surface area of the at least one surface, and a polymer electrolyte fuel cell comprising the polymer electrolyte membrane. Thereby, a polymer electrolyte fuel cell is provided that improves the efficiency of contact between the polymer electrolyte membrane and the catalyst, efficiently separates hydrogen ions and electrons produced on the catalyst, and provides high output characteristics.

Abstract: A transparent antireflection film, including fine irregularities mainly composed of alumina, and a transparent thin film layer supporting the fine irregularities, in which the transparent thin film layer contains at least one selected from the group consisting of zirconia, silica, titania, and zinc oxide. A production method for the aforementioned transparent antireflection film, including: forming a multicomponent film using an application liquid containing at least one compound selected from the group consisting of a zirconium compound, a silicon compound, a titanium compound, and a zinc compound, and at least an aluminum compound; and subjecting the multicomponent film to warm water treatment.

Abstract: An optical member including an oxide layer that has a stable fine textured structure and is excellent in durability is provided. The optical member includes a base material and an antireflection coating on a surface of the base material. The antireflection coating includes at least an oxide layer having a fine textured structure on the surface, and the oxide layer contains a phosphate compound. Furthermore, a method of manufacturing the optical member is provided.

Abstract: Provided are a DNA carrier where DNA is firmly held in a substrate, which can reduce the elution of DNA into water and can take full advantage of the capability of DNA to selectively and specifically collect a substance; and a method of producing the DNA carrier. Also provided is a collection system using DNA, which can be used in the high-accuracy detection of a particular substance and in an environmental cleanup capable of efficiently removing a substance, in which the DNA carrier is used to collect the substance contained in air or water by taking full advantage of the capability of DNA to selectively and specifically collect the substance. The DNA carrier is one where DNA is held in a porous matrix containing polyorganosiloxane with a basic functional group and particles. Preferably, the polyorganosiloxane with a basic functional group contains a hydrolysis condensate of one or more of particular silane compounds with an amino group.

Abstract: Provided is a structure designed for adsorption, which is suitable for removing dioxin and dioxin-like substances from leachate and ground water from polluted soils or garbage, washing effluent from garbage incinerators and so on that contain DNA intercalators, particularly, dioxin and dioxin-like substances. The structure designed for adsorption is a structure designed for adsorption having an adsorbing layer containing, as a constituent, a DNA complex containing a DNA-binding protein, DNA including double strand DNA and a carrier, which can selectively remove DNA intercalators with high efficiency from water, gas and so on containing them.

Abstract: A DNA hybrid which comprises a porous oxide matrix and DNA immobilized thereon, and is useful for environmental clean-up, where the hybrid is prepared by removing a dispersion medium from a dispersion of colloidal oxide and DNA.

Abstract: An electrolyte membrane made of a phosphate-containing siloxane-based polymer for fuel cell, where the polymer comprises a siloxane backbone and a poly(meth)acrylate chain to which phosphate groups are attached, and the polymer is formed by vinyl polymerization of a silane compound having a (meth)acrylate functional group or a hydrolysis-polycondensation product thereof and a (meth)acrylate compound having a phosphate group, followed by siloxane crosslinking. The electrolyte membrane of a siloxane-based polymer has a high conductivity for a fuel cell.

Abstract: There is provided a DNA supporting fiber capable of maintaining the stability of DNA and efficiently expressing the adsorption property of DNA. Also provided is a DNA supporting sheet useful in a variety of applications, the sheet that utilizes the fiber. The DNA supporting fiber is produced by fusing and fixing, onto the surface composed of a thermoplastic resin of a fiber, particles where DNA as an adsorbent is immobilized in a porous matrix containing an inorganic oxide.

Abstract: The membrane electrode assembly of the present invention for the proton-exchange membrane fuel cell includes a polymer electrolyte membrane and an electrode catalyst layer, wherein at least a part of the polymer electrolyte membrane infiltrates into the electrode catalyst layer, and wherein the polymer electrolyte membrane is formed by polymerizing a composition containing at least a compound having proton conductivity and a compound having activity to an active energy ray, or a composition containing at least a compound having proton conductivity and activity to the active energy ray. The object of the present invention is to provide a membrane electrolyte assembly for realizing a high-output proton-exchange membrane fuel cell by improving a bonding state between the polymer electrolyte membrane and the electrode catalyst layer to reduce an internal resistance, and by providing a three-dimensional three-phase interface to increase reaction areas.

Abstract: A DNA hybrid which comprises a porous oxide matrix and DNA immobilized thereon, and is useful for environmental clean-up, where the hybrid is prepared by removing a dispersion medium from a dispersion of colloidal oxide and DNA.

Abstract: A transparent antireflection film, including fine irregularities mainly composed of alumina, and a transparent thin film layer supporting the fine irregularities, in which the transparent thin film layer contains at least one selected from the group consisting of zirconia, silica, titania, and zinc oxide. A production method for the aforementioned transparent antireflection film, including: forming a multicomponent film using an application liquid containing at least one compound selected from the group consisting of a zirconium compound, a silicon compound, a titanium compound, and a zinc compound, and at least an aluminum compound; and subjecting the multicomponent film to warm water treatment.

Abstract: A liquid containing a separation target substance is brought into contact with a double helix DNA-holding phase to have the separation target substance held by the double helix DNA-holding phase, which is then removed from the liquid. On this occasion, the contact of the double helix DNA with the separation target substance is performed in an aqueous medium having a salt concentration of 0.02 mass % or more.