Abstract: An electrophoretic particle of the invention include: a mother particle; and a covering layer, wherein the covering layer includes a plurality of polymers, each of which includes a polymerization initiator which includes a polymerization initiation group linked to a surface of the mother particle and polymerization parts in which monomers are polymerized from the polymerization initiation group as a starting point, wherein each of the polymer include the polymerization initiator, a first polymerization part, which is coupled to the polymerization initiator, in which first monomers that includes monomers with cross-linking groups are polymerized, and a second polymerization part in which second monomers that does not include monomers with cross-linking groups are polymerized, and the polymers are linked to each other at the cross-linking groups of the first polymerization parts via cross-linking agent.

Abstract: Electrophoretic particle include a core particle; a siloxane-based compound that is bonded to a surface of the core particle and contains a connection structure in which a plurality of siloxane bonds are serially connected to each other; and a polarizing group that is an organic group bonded to the surface of the core particle, contains a main skeleton and a substituent bonded to the main skeleton, and has unevenly distributed electrons on the particle side of the main skeleton or the opposing side thereof.

Abstract: Electrophoretic particle include a core particle (mother particle); a siloxane-based compound that is bonded to a surface of the core particle and contains a connection structure in which a plurality of siloxane bonds are serially connected to each other; and a charging group that is an organic group bonded to the surface of the core particle, contains a main skeleton, and has a positive or negative electric charge. It is preferable that the occupancy rate of an area to which the siloxane-based compound is bonded on the surface of the core particle be in the range of 0.05% to 20%.

Abstract: There is provided electrophoretic particle which has core particle, and a siloxane-based compound which includes a connecting structure in which a plurality of siloxane bonds are connected in series, and the surface of the core particle includes a first region to which the siloxane-based compound is bonded, and a second region in which charging characteristic derived from the core particle is expressed by exposure of the surface of the core particle. An occupancy rate of the first region on the surface of the core particle is preferably equal to greater than 0.05% and equal to or less than 20%.

Abstract: An electrophoretic particle of the invention include: a mother particle; and a covering layer, wherein the covering layer includes a plurality of polymers, each of which includes a polymerization initiator which includes a polymerization initiation group linked to a surface of the mother particle and polymerization parts in which monomers are polymerized from the polymerization initiation group as a starting point, wherein each of the polymer include the polymerization initiator, a first polymerization part, which is coupled to the polymerization initiator, in which first monomers that includes monomers with cross-linking groups are polymerized, and a second polymerization part in which second monomers that does not include monomers with cross-linking groups are polymerized, and the polymers are linked to each other at the cross-linking groups of the first polymerization parts via cross-linking agent.

Abstract: An electrophoresis particle of the embodiment includes a mother particle and a covering layer which covers at least a part of the mother particle, wherein the covering layer includes a shell which is consisted of an organic polymer and which cellulary engulfs the mother particle and a polymer which is bonded on the surface of the shell and the polymer is one that a monomer has been polymerized using living radical polymerization, setting the polymerization initiating group as the starting point.

Abstract: A gas cell to be filled with alkali metal atoms includes wall surfaces formed using a compound having polar groups or a material containing the compound, a first coating layer as a coating layer that coats the inner walls, formed using first molecules having functional groups to be chemically bonded to the polar groups and non-polar groups, and a second coating layer formed using non-polar second molecules on the first coating layer.

Abstract: An electrophoretic display device includes: a substrate; partition walls which partition a space on the substrate into a plurality of cells; an electrophoretic dispersion liquid with which the plurality of cells on the substrate is filled; a sealing film which is disposed so as to face the substrate with the partition walls interposed therebetween and seals the plurality of cells; and phase separation portions which are partially formed between upper surfaces of the partition walls and the sealing film and in which the electrophoretic dispersion liquid is subjected to phase separation.

Abstract: An electrophoretic display device includes: a substrate; partition walls which partition a space on the substrate into a plurality of cells; an electrophoretic dispersion liquid with which the plurality of cells on the substrate is filled; a sealing film which is disposed so as to face the substrate with the partition walls interposed therebetween and seals the plurality of cells; and phase separation portions which are partially formed between upper surfaces of the partition walls and the sealing film and in which the electrophoretic dispersion liquid is subjected to phase separation.

Abstract: An electronic device substrate includes a substrate having at least one of a metal and a metal oxide on a surface thereof and an underlying layer having a compound expressed by a following general formula (1): wherein X presents one of a hydrogen atom and a protecting group; Y1 represents one of an oxygen atom, an alkylene group and —N(R1)—, in which R1 represents an alkyl group; Z1 represents a polymerization initiating group; n1 represents an integer from 1 to 4; and m1 represents an integer from 1 to 15.

Abstract: A method for forming a graft polymerization layer comprises: (a) forming a polymerization initiation layer on a base material by linking the base material with a linking group of a polymerization initiator that contains the linking group and a chemical bond activated by a polymerization catalyst; and (b) separately supplying to at least a partial region on the polymerization initiation layer a first solution containing the polymerization catalyst and a second solution containing a first monomer having a group polymerizable to the chemical bond and a first side chain by use of a droplet discharge method so as to form the graft polymerization layer constituted of a first graft polymer containing more than one first monomer linearly linked to the chemical bond.

Abstract: A detection element includes a detector by which a salt or an ion in an analyte is detectable. The detector includes a base and a reaction layer disposed on the base. The reaction layer has a polymer that has a main chain with an end thereof linked to the base, and a side chain branched from the main chain. The side chain contains an ion-trapping part in which an ion constituting the salt or the ion is trappable.

Abstract: A method for manufacturing an electronic device including a substrate and an organic thin film patterned in a predetermined shape includes: a) forming a coating film made of a first compound on a surface of the substrate, the first compound including a polymerization initiation site bindable with a second compound and inducing a cross-linking reaction responding to light; b) forming a first layer by site-selective irradiation of light on a region corresponding to the organic thin film of the coating film so as to pattern the coating film in the predetermined shape; and c) forming the organic thin film including the first layer and a second layer, the second layer being formed on the first layer by contacting a liquid including the second compound with the first layer so as to bind the polymerization initiation site and the second compound.

Abstract: An electronic device substrate includes a substrate having at least one of a metal and a metal oxide on a surface thereof and an underlying layer having a compound expressed by a following general formula (1): wherein X presents one of a hydrogen atom and a protecting group; Y1 represents one of an oxygen atom, an alkylene group and —N(R1)—, in which R1 represents an alkyl group; Z1 represents a polymerization initiating group; n1 represents an integer from 1 to 4; and m1 represents an integer from 1 to 15.

Abstract: A method for detecting or assaying a target material in a sample solution, including: a first process for forming a metal oxide thin film containing a target material model on an electrode substrate; a second process for forming, on the metal oxide thin film, a recess into which the target material is able to engage, by removing the target material model from the metal oxide thin film; a third process for having the sample solution, into which a redox reactive molecule is added, contact the metal oxide thin film in which the recess is formed; and a forth process for electrochemically detecting a transition of electron exchange with the redox reactive molecule in the vicinity of the electrode substrate surface, before and after the third process.

Abstract: An electrode substrate, including: an electrode; and a membrane that is provided on the electrode and has a configuration of -A-B in the order from the electrode, wherein the A includes an alkylene group or an alkyleneoxy group and the B includes a chain of a repeating unit of a group expressed by a chemical formula (1) below, where: X is any of a hydrogen atom, a halogen atom, or an alkyl group; and R1 represents choline phosphate or —(CH2CH2O)lOH, with the l representing an integer of 2 or larger.

Abstract: A specific base sequence detection method, comprising preparing a sample solution including a target nucleic acid, a primer for amplifying a specific base sequence and whose end has a site to be coupled to an electrode, and nucleotide; extending the primer if the specific base sequence is present in the nucleic acid by putting the sample solution in a condition that causes an extension reaction of the primer; performing an electrical measurement by immersing an electrode in a measurement solution including the sample solution that has completed the extension reaction; and detecting whether the specific base sequence is present in the nucleic acid based on a result of the electrical measurement.