Abstract: An adsorbent material used for adsorbing a disease-causing substance, the adsorbent material including two-dimensional particles having one or plural layers, the one or plural layers containing a layer body represented by: MmXn, wherein M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is not less than 1 and not more than 4, m is more than n but not more than 5, and a modifier or terminal T exists on a surface of the layer body, wherein T is at least one selected from a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, and a hydrogen atom.

Abstract: A conductive film including: a film including particles of a layered material including one or plural layers; and a titanium oxide. The one or plural layers includes a layer body represented by: MmXn, wherein M is at least one metal of Group 3, 4, 5, 6, or 7, and contains Ti, X is a carbon atom, a nitrogen atom, or a combination thereof, n is 1 to 4, and m is more than n and 5 or less, and a modifier or terminal T existing on a surface of the layer body, wherein T is at least one selected from a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, and a hydrogen atom, and a proportion of tetravalent titanium to divalent, trivalent, and tetravalent titanium in the conductive film, as determined by X-ray photoelectron spectroscopy, is more than 2% by mol and 57% by mol or less.

Abstract: A conductive film that includes: particles of a layered material including one or more layers, wherein each of the one or more layers includes a layer body represented by: MmXn, wherein M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is 1 to 4, m is greater than n and 5 or less, a modification or termination T is present on a surface of the layer body, where the T is at least one selected from the group consisting of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, or a hydrogen atom; and a phosphorus atom in an amount of 0.001% by mass to less than 0.09% by mass.

Abstract: A biosignal electrode that includes a substrate having first and second opposed main surfaces; a conductive material pattern on the first main surface of the substrate, the conductive material pattern defining a plurality of open spaces extending through the conductive material pattern and exposing the first surface of the substrate therethrough; and a biocompatible glue material within the plurality of open spaces of the conductive material pattern.

Abstract: A virus-inactivating liquid agent that includes: a liquid medium; and particles of a layered material including one or plural layers, wherein the one or plural layers include a layer body represented by: MmXn, wherein M is at least one metal of Group 3, 4, 5, 6, or 7; X is a carbon atom, a nitrogen atom, or a combination thereof; n is 1 to 4; m is more than n and 5 or less; and a modifier or terminal T exists on a surface of the layer body, and T is at least one of a hydroxyl group, a fluorine atom, a chlorine atom, or an oxygen atom.

Abstract: An electrode including: a conductive film which contains: a layered material having one or plural layers of particles of a layer body represented by: MmXn (M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is not less than 1 and not more than 4, and m is more than n but not more than 5), and a modifier or terminal T existing on a surface of the layer body, (T is at least one selected from a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, and a hydrogen atom); and a ?-electron conjugated compound attached to the particles and having at least one selected from the group consisting of an aromatic ring, a heteroaromatic ring, a conjugated diene unit, an allyl group, and a vinyl group.

Abstract: A biosignal sensing electrode, including: a substrate; a conductive film on the substrate, the conductive film containing particles of a layered material containing one or plural layers, the one or plural layers being oriented parallel to a surface of the substrate and containing a layer body represented by: MmXn, with a modifier or terminal T existing on a surface of the layer body; and a protective material containing a polymer having C?O and at least one of OH and NH as a functional group covering at least an edge of the conductive film, the functional group being bonded to the particles of the layered material, and at least a part of the second face of the conductive film is exposed from the protective material.

Abstract: An electrode comprising: a ? electron conjugated compound film which includes a ? electron conjugated compound having at least one of an aromatic ring, a heteroaromatic ring, a carbon-carbon double bond, a carbon-carbon triple bond, and a carbon-phosphorus double bond; and a conductive film bonded to the r electron conjugated compound film, the conductive film including particles of a layered material of one or plural layers having a layer body represented by: MmXn, wherein M is at least one metal of Group 3 through 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is 1 to 4, and m is more than n but not more than 5, and a modifier or terminal T existing on a surface of the layer body, wherein T is at least one of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, and a hydrogen atom.

Abstract: A biosignal electrode that includes a substrate having first and second opposed main surfaces; a conductive material pattern on the first main surface of the substrate, the conductive material pattern defining a plurality of open spaces extending through the conductive material pattern and exposing the first surface of the substrate therethrough; and a biocompatible glue material within the plurality of open spaces of the conductive material pattern.

Abstract: A magnetic material that includes: particles of a layered material including one or more layers and magnetic metal ions in contact with the one or more layers, wherein the one or more layers include a layer body represented by: MmXn, wherein M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is not less than 1 and not more than 4, and m is more than n but not more than 5, and a modifier or terminal T is present on a surface of the layer body, wherein T is at least one selected from a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, and a hydrogen atom, and wherein the particles have an average value of thickness of not less than 1 nm and not more than 10 nm.

Abstract: The conductive film that includes: particles of a layered material including one or plural layers, the one or plural layers including a layer body represented by: MmXn wherein M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is not less than 1 and not more than 4, and m is more than n but not more than 5, and a modifier or terminal T exists on a surface of the layer body, wherein T is at least one selected from the group consisting of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, or a hydrogen atom; and one or more transition elements selected from the group consisting of Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W, or Y.

Abstract: An adsorbent that includes a particle of a layered material that contains one or a plurality of layers; and contains Li. The one or plural layers includes a layer body represented by: MmXn where, M represents at least one Group-3, -4, -5, -6, or -7 metal, X represents a carbon atom, a nitrogen atom, or a combination thereof, n is 1 to 4, and m is larger than n, and equal to or less than 5; and a modified/terminal part T resides on a surface of the layer body, T represents at least one selected from the group consisting of hydroxy group, fluorine atom, chlorine atom, oxygen atom, and hydrogen atom, the modified/terminal part T residing on a surface of the layer body, the particle has an average thickness of 1 nm to 10 nm, and the adsorbent has a Li content of 0.0001% by mass to 0.0020% by mass.

Abstract: Electroconductive two-dimensional particles composed of a layered material having one or more layers, wherein each of the one or more layers is a layer body represented by MmXn (M represents at least one group 3, 4, 5, 6 or 7 metal; X represents a carbon atom, a nitrogen atom, or a combination thereof; n represents a number from 1 to 4; m represents a number that is larger than n but not larger than 5), and a modification or terminal T (T represents at least one atom or group selected from a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom and a hydrogen atom) is present on the surface of the layer body; the Li content is from 0.0001% by mass to 0.0020% by mass; and the average value of the lengths of two-dimensional surfaces of the electroconductive two-dimensional particles is from 1.0 ?m to 20 ?m.

Abstract: A biosignal sensing electrode that includes: a conductive film containing particles of a layered material including one or plural layers, the one or plural layers includes a layer body represented by: MmXn, wherein M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is 1 to 4, m is more than n and 5 or less, and a modifier or terminal T exists on a surface of the layer body, wherein T is at least one selected from a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, or a hydrogen atom; and a porous membrane that contains a hydrophilic polymer, the porous membrane having a first surface in contact with at least part of the conductive film and a second surface defining a contact surface with a subject.

Abstract: A conductive film that includes: particles of a layered material including one or more layers, wherein each of the one or more layers includes a layer body represented by: MmXn, wherein M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is 1 to 4, m is greater than n and 5 or less, a modification or termination T is present on a surface of the layer body, where the T is at least one selected from the group consisting of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, or a hydrogen atom; and a phosphorus atom in an amount of 0.001% by mass to less than 0.09% by mass.

Abstract: An aligned film having first and second faces opposed to each other, the aligned film having (a) a plurality of layers aligned non-parallel to the first and second faces between the faces of the aligned film, each layer having a crystal lattice represented by: Mn+1Xn (wherein M is at least one metal of Group 3, 4, 5, 6, or 7; X is a carbon atom, a nitrogen atom, or a combination thereof; and n is 1, 2, or 3), each X is positioned within an octahedral array of M, and at least one of two opposing surfaces of each said layer have at least one modifier or terminal T selected from a hydroxy group, a fluorine atom, an oxygen atom, and a hydrogen atom; and (b) magnetic nanoparticles carried on a layer surface and/or between two adjacent layers of the plurality of layers.

Abstract: An electromagnetic shielding material that includes a plurality of layers, each layer having a crystal lattice represented by: Mn+1Xn (wherein M is at least one metal of Group 3, 4, 5, 6, or 7; X is a carbon atom, a nitrogen atom, or a combination thereof; and n is 1, 2, or 3), each X is positioned within an octahedral array of M, and at least one of two opposing surfaces of said each layer has at least one modifier or terminal T selected from a hydroxy group, a fluorine atom, an oxygen atom, and a hydrogen atom; and dielectric and/or magnetic nanoparticles carried on a layer surface and/or between two adjacent layers of the plurality of layers.

Abstract: An electrochemical capacitor having an electrolytic solution that is a mixed solution of lithium bis(trifluoromethanesulfonyl)imide (Li-TFSI) and propylene carbonate (PC), a mixed solution of lithium borofluoride and PC, a mixed solution of Li-TFSI, ethylene carbonate, and diethyl carbonate, a mixed solution of Li-TFSI and ethyl isopropyl sulfone, or a mixed solution of Na-TFSI and PC; a cathode in the electrolytic solution, the cathode being a layered material having multiple layers, each layer having a crystal lattice represented by Mn+1Xn, where M is a metal of Group 3 to 7, X is a carbon/nitrogen atom, n is 1, 2 or 3, X is positioned within an octahedral array of M, and having a modifier T of a hydroxyl group or a fluorine/oxygen/hydrogen atom on the surface of each layer; and an anode in the electrolytic solution and separated from the cathode, the anode being a carbon-based material.

Abstract: A heater device that includes a planar heating element that is electrically conductive and two electrodes electrically connected to the planar heating element. The planar heating element includes a layered material having a plurality of layers, each layer having a crystal lattice which is represented by: Mn+1Xn (wherein M is at least one metal of Group 3, 4, 5, 6, or 7; X is a carbon atom, a nitrogen atom, or a combination thereof; and n is 1, 2, or 3), and in which each X is positioned within an octahedral array of M, and having at least one modifier or terminal T selected from the group consisting of a hydroxy group, a fluorine atom, an oxygen atom, and a hydrogen atom on at least one of two opposing surfaces of said each layer.

Abstract: An electromagnetic shielding material that includes a plurality of layers, each layer having a crystal lattice represented by: Mn+1Xn (wherein M is at least one metal of Group 3, 4, 5, 6, or 7; X is a carbon atom, a nitrogen atom, or a combination thereof; and n is 1, 2, or 3), each X is positioned within an octahedral array of M, and at least one of two opposing surfaces of said each layer has at least one modifier or terminal T selected from a hydroxy group, a fluorine atom, an oxygen atom, and a hydrogen atom; and dielectric and/or magnetic nanoparticles carried on a layer surface and/or between two adjacent layers of the plurality of layers.