Abstract: The present invention provides a method for detecting a target substance by detecting the presence or concentration of a target substance in a sample solution by bringing the sample solution into contact with a detecting element including a detecting part and a non-detecting part and detecting the presence or number of a magnetic label (magnetic marker) present in the vicinity of the surface of the detecting part and provides a target-substance detection kit.

Abstract: A detecting element and a detecting device having high sensitivity, and a production method thereof are provided. The detecting element for detecting a target substance in a sample includes a substrate and a metal structure. The substrate has a pore in which the thickness direction of the substrate corresponds to the depth direction of the pore and in which part of the substrate forming the pore constitutes part of the outer surface of the substrate. The metal structure exists in the pore, and has a ring shape.

Abstract: A structure having an opening communicating with an inner space is adapted for separating or capturing a substance introduced from the opening into the inner space. The structure comprises a hollow member having the inner space with the opening and plural pillars positioned mutually separately in the inner space. The pillars are formed of a material containing an inorganic oxide and different in composition from the hollow member.

Abstract: A method of manufacturing a dot pattern includes the steps of preparing a structured material composed of a plurality of columnar members containing a first component and a region containing a second component different from the first component surrounding the columnar members, with the structured material being formed by depositing the first component and the second component on a substrate, and removing the columnar members from the structured material to form a porous material having a columnar hole. In addition, a material is introduced into the columnar hole portions of the porous material to form a dot pattern, and the porous material is removed.

Abstract: A method of producing a sensing element used in a detecting device for detecting a target substance in a specimen with the use of plasmon resonance. The method includes the steps of forming an insulating layer on a substrate, the surface of the substrate having an electroconductive layer including a first electroconductive material, forming a plurality of holes through the insulating layer to form an insulating pattern, filling up the holes with a second electroconductive material to form a metallic pattern, removing the insulating pattern, and removing a region other than the region sandwiched by the metallic pattern and the substrate in the electroconductive layer, using the metallic pattern as a mask.

Abstract: A method of manufacturing a dot pattern includes the steps of preparing a structured material composed of a plurality of columnar members containing a first component and a region containing a second component different from the first component surrounding the columnar members, with the structured material being formed by depositing the first component and the second component on a substrate, and removing the columnar members from the structured material to form a porous material having a columnar hole. Additional steps include introducing a mask material into the columnar hole of the porous material to form a dot pattern, and removing the porous material.

Abstract: There is provided a detection apparatus detecting target substance in a sample by utilizing plasmon resonance including a substrate and a plurality of metal-containing members arranged on the substrate, wherein the metal-containing members are shaped tubular and the metal-containing members are arranged on the substrate with a given orientation. By use hereof, a detection apparatus and a detection method enabling highly sensitive detection on target substance are provided.

Abstract: A chemical sensor that utilizes localized surface Plasmon resonance including a substrate, metal-containing particles and dielectric particles, wherein the metal-containing particles and the dielectric particles are disposed on the substrate, is used as a chemical sensor element. Thereby, a chemical sensor element having a sufficient detecting sensitivity when localized surface Plasmon resonance is utilized, and a method for the fabrication thereof can be provided.

Abstract: A biological tissue processing substrate for fixing proteins in a biological tissue or degradation products of the proteins, the substrate comprising: a porous body that forms a contact surface with the biological tissue, the porous body holding in pores an enzyme for obtaining the proteins or the degradation products of the proteins from the biological tissue, wherein the proteins or the degradation products obtained by the action of the enzyme are brought into contact with a member consisting of a metal.

Abstract: A semiconductor device array comprising highly densely arranged nano-size semiconductor devices is prepared by a simple method. The array comprises a porous body having cylinder-shaped pores formed by removing cylinder-shaped regions from a structure that includes a matrix member formed so as to contain silicon or germanium and the cylinder-shaped regions containing aluminum and dispersed in the matrix member, semiconductor regions formed in the pores, each having at least a p-n or p-i-n junction, and a pair or electrodes, arranged respectively on the top and at the bottom of the semiconductor regions. The semiconductor regions and the pair of electrodes form a plurality of semiconductor devices on a substrate.

Abstract: A method for producing a sensing element used in a sensing device for sensing a target substance in a specimen with the use of plasmon resonance includes the steps of: preparing a substrate having an electroconductive layer, forming an insulating layer on the electroconductive layer, selectively removing the insulating layer to make the electroconductive layer appear, and depositing a metal on the appearing electroconductive layer with an electrolytic plating method.

Abstract: The invention provides a structured material characterized in having, on a substrate (11), a layer (12) having tubular (13) pores positioned uniaxially parallel to the interface of the substrate and the layer and supporting a conductive polymer material (14,21) having a function of a surfactant (22) therein. The invention also provides a method for producing the above structure material characterized by the steps of providing a substrate having the anisotropy on a surface, applying a solution containing a surfactant having a functional group for polymerization in the molecular structure, a solvent therefor, and a solute different from the surfactant to the substrate, and a step of standing for a predetermined time for causing the surfactant to assemble in a predetermined direction based on the anisotropy of the substrate.

Abstract: To obtain a microcolumnar structured material having a desired material. The columnar structured material includes columnar members 15 obtained by introducing a filler into columnar holes formed in a porous material. The porous material has the columnar holes 14 formed by removing columnar substances from a structured material in which the columnar substances 12 containing a first component are dispersed in a matrix member 13 containing a second component capable of forming a eutectic with the first component. The matrix member 13 may be removed. In the columnar structured material, the filler is a conductive material, and an electrode can be structured by electrically connecting the conductive materials in at least a part of a plurality of holes to a conductor.

Abstract: An image forming process provides an excellent ink fixation effect for high speed, low energy consumption printing. Two-valued or multi-valued gradation expression of a picture element, or the smallest output unit, is realized by controlling the number of liquid droplets impacting on a recording medium for each dot formed on the recording medium. The liquid droplets are subjected to physical or chemical modification so as to be fixed to the recording medium. The present invention is also directed to an image forming apparatus, an ink for liquid droplet recording and a liquid droplet ejection and projection method that can use the image forming process.

Abstract: In order to provide an FET biosensor which enables the highly sensitive detection, the present invention employs a field-effect transistor comprising a source region, a drain region and a gate region, wherein the gate region employs a porous material having mesopores of which the walls contain crystals of tin oxide.

Abstract: A method for manufacturing a porous structured material comprises the steps of: preparing a reactant solution that contains a metal compound and a surfactant, coating a substrate with the reactant solution, and holding the substrate in an atmosphere containing water vapor. In a thin film of an oxide having a porous structure, a surfactant is retained in the pores, and the pore walls contain tin oxide crystals.

Abstract: A thermoelectric conversion material and a thermoelectric conversion device having a novel structure of an increased figure of merit are provided by forming nano-wires of thermoelectric material in a smaller cross-sectional size. The thermoelectric conversion material comprises nano-wires obtained by introducing a thermoelectric material (semiconductor material) into columnar pores of a porous body. The porous body is formed by providing a structure in which columns of a column-forming material containing a first component (for example, aluminum) are distributed in a matrix containing a second component (for example, silicon or germanium or a mixture of them) being eutectic with the first component, and then removing the column-forming material from the structure. The average diameter of the nano-wires of the thermoelectric material is 0.5 nm or more and less than 15 nm, and the spacing of the nano-wires is 5 nm or more and less than 20 nm.

Abstract: A method of forming, on a substrate, minute-sized columnar portions of a columnar structured material at minute intervals, and a columnar structured material formed by the manufacturing method. A columnar structured material is formed through an etching process in which a pattern of minute dots formed on the substrate is utilized as a mask. The pattern of the minute dots is obtained by introducing a mask material into columnar microholes of a porous film formed on the substrate and then removing the porous film. The porous film is formed by removing columnar substances from a structured material in which the columnar substances which are so formed as to contain a first component are dispersed in a matrix which is made of another component and is so formed as to contain a second component that can form a eutectic together with the first component.

Abstract: It is an object of the present invention to provide a method for preparing mesostructured film having oriented channel structure and which is applicable to preparing mesostructured metal oxide. It is also an object of the present invention to provide meso porous film containing non-silica metal oxide in pore wall and having rod-like pores uniaxially aligned. It is further an object of the present invention to provide method for preparing mesostructured film including the steps of: preparing a reactant solution containing a precursor material for frame of mesostructured material which contains metal oxide, and an amphiphilic material; coating the substrate whose surface has alignment control ability with the reactant solution; and holding the substrate which has been coated with the reactant solution in a vapor-containing atmosphere.

Abstract: A coloring material (11, 12) carrying an anionic dye (15) on porous silica (16) having mesopores (13) of a uniform size, of which at least a part of the surface is covered with a material (14) capable of binding an anionic substance. The coloring material shows vivid color and is applicable to ink, electrophoretic particles and color filters.