Abstract: In general, according to one embodiment, a nonaqueous electrolyte battery is provided. The nonaqueous electrolyte battery includes an electrode group, including a positive electrode, a negative electrode, and a separator. The separator includes at least one metal-element containing portion containing a metal element. The at least one metal-element containing portion is provided on a surface of the separator in contact with the negative electrode. The at least one metal-element containing portion contains at least one selected from a group consisting of a metal, a metallic oxide, and a metallic fluoride. An area of the at least one metal-element containing portion is in a range of 0.3 mm2 to 3.2 mm2.

Abstract: A method of analyzing an antimony ion of an embodiment, the method includes using a first analysis solution or a second analysis solution, the first analysis solution containing trivalent antimony ions and pentavalent antimony ions, the second analysis solution being a solution obtained by mixing a first acid and the first analysis solution, and mixing the first analysis solution or the second analysis solution with a second acid to obtain a third analysis solution in which the pentavalent antimony ions are chlorinated and which contains [SbCl6]? ions, mixing the third analysis solution and a first organic solvent and phase-separating the mixture into a fourth analysis solution as an organic phase and an aqueous phase to obtain the fourth analysis solution, mixing the fourth analysis solution and a coloring liquid containing rhodamine B to obtain a fifth analysis solution, and evaluating a concentration of the pentavalent antimony ions in the first analysis solution from color of the fifth analysis solution.

Abstract: A molecular detection apparatus of an embodiment includes: a first detector which includes a first sensor containing a MOF having a fluorescence emitting property, a light source which irradiates the MOF with light, and a light receiver which receives fluorescence from the MOF; a second detector which includes a sensor layer electrodes electrically connected with the sensor layer; and a type discrimination and concentration calculation part which discriminates a type of the molecules to be detected based on a measurement result measured by the first detector, and calculates a concentration of the molecules a measurement result measured by the second detector based on a discrimination result of a type of the molecules.

Abstract: A molecular detection apparatus according to a embodiment includes: a collection unit which collects detection target gases each containing molecule to be detected; a concentration adjusting unit which dilutes and/or concentrates the molecule, and generates a plurality of detection target gases having different concentrations of the molecule; a detection unit to which the plurality of detection target gases are sequentially introduced, and which includes a plurality of detection cells each outputting detection signals based on the concentrations of the molecule in the plurality of detection target gases; and a discrimination unit which discriminates the molecule by change tendencies of the detection signals based on the concentrations of the molecule.

Abstract: A molecular detection apparatus according to an embodiment includes: a distributor which ionizes a target containing substances to be detected, applies voltage to ionized substances, and extracts the substances to be detected according to a time-of-flight based on the speed; a detector which detects the substance to be detected dropped from the distributor; and a discriminator which discriminates the substance to be detected. The detector includes: a plurality of detection units including field effect transistors using graphene layers; and a plurality of organic probes which are provided on the graphene layers, and at least some of which have different bond strengths with the substances to be detected. The substance to be detected is discriminated depending on a signal pattern based on intensity differences of the detection signals generated by differences in the bond strengths between the organic probes and the substances to be detected.

Abstract: A molecular detection apparatus according to an arrangement includes: a collection unit collecting a detection target gas containing a molecule to be detected; a detector including a detection cell that has an organic probe provided in a sensor unit, the organic probe capturing the collected molecule, and a discriminator discriminating the molecule by a detection signal generated by the molecule being captured by the organic probe of the detection cell. The detection cell has the organic probe including a dicyanovinyl structure or a coumarin structure.

Abstract: A molecular detection apparatus 1 according to an embodiment includes: a collection unit collecting detection target gas containing molecules to be detected; a detector including a detection cell having an organic probe provided at a sensor unit, the organic probe capturing the collected molecule to be detected; and a discriminator discriminating the molecule to be detected by a detection signal generated by the molecule being captured by the organic probe. The detection cell has the organic probe containing a phosphonic acid structure or phosphoric acid structure.

Abstract: A molecular detection apparatus according to an embodiment includes a detector and a discriminator. The detector includes a plurality of detection cells, where the plurality of detection cells include at least an organic probe containing a cyano group or a nitro group as a neighboring group of a reactive group. The discriminator discriminates a substance to be detected by signal patterns of the plurality of detection cells.

Abstract: A molecular detection apparatus of an embodiment includes: a first detector which includes a first sensor containing a MOF having a fluorescence emitting property, a light source which irradiates the MOF with light, and a light receiver which receives fluorescence from the MOF; a second detector which includes a sensor layer electrodes electrically connected with the sensor layer; and a type discrimination and concentration calculation part which discriminates a type of the molecules to be detected based on a measurement result measured by the first detector, and calculates a concentration of the molecules a measurement result measured by the second detector based on a discrimination result of a type of the molecules.

Abstract: A molecular detection apparatus, comprising: a chamber; a light source provided in the chamber and configured to emit light; a detector including at least one sensor and configured to generate a first detection data and a second detection data, the sensor being provided in the chamber and being configured to capture molecules of target molecules, the first detection data corresponding to the number of captured molecules per predetermined time under a first emission condition of the light, and the second detection data corresponding to the number of captured molecules per predetermined time under a second emission condition of the light; and a discriminator to discriminate the target molecules using the first and second detection data.

Abstract: A molecular detection apparatus according to an arrangement includes: a collection unit collecting a detection target gas containing a molecule to be detected; a detector including a detection cell that has an organic probe provided in a sensor unit, the organic probe capturing the collected molecule, and a discriminator discriminating the molecule by a detection signal generated by the molecule being captured by the organic probe of the detection cell. The detection cell has the organic probe including a dicyanovinyl structure or a coumarin structure.

Abstract: A molecular detection apparatus according to a embodiment includes: a collection unit which collects detection target gases each containing molecule to be detected; a concentration adjusting unit which dilutes and/or concentrates the molecule, and generates a plurality of detection target gases having different concentrations of the molecule; a detection unit to which the plurality of detection target gases are sequentially introduced, and which includes a plurality of detection cells each outputting detection signals based on the concentrations of the molecule in the plurality of detection target gases; and a discrimination unit which discriminates the molecule by change tendencies of the detection signals based on the concentrations of the molecule.

Abstract: A molecular detection apparatus 1 according to an embodiment includes: a collection unit collecting detection target gas containing molecules to be detected; a detector including a detection cell having an organic probe provided at a sensor unit, the organic probe capturing the collected molecule to be detected; and a discriminator discriminating the molecule to be detected by a detection signal generated by the molecule being captured by the organic probe. The detection cell has the organic probe containing a phosphonic acid structure or phosphoric acid structure.

Abstract: A molecular detection apparatus according to an embodiment includes a detector and a discriminator. The detector includes a plurality of detection cells, where the plurality of detection cells include at least an organic probe containing a cyano group or a nitro group as a neighboring group of a reactive group. The discriminator discriminates a substance to be detected by signal patterns of the plurality of detection cells.

Abstract: An electrode material for nonaqueous electrolyte secondary battery of an embodiment includes a silicon nanoparticle, and a coating layer coating the silicon nanoparticle. The coating layer includes an amorphous silicon oxide and a silicon carbide phase. At least a part of the silicon carbide phase exists on a surface of the silicon nanoparticle.

Abstract: A molecular detection apparatus according to an embodiment includes: a distributor which ionizes a target containing substances to be detected, applies voltage to ionized substances, and extracts the substances to be detected according to a time-of-flight based on the speed; a detector which detects the substance to be detected dropped from the distributor; and a discriminator which discriminates the substance to be detected. The detector includes: a plurality of detection units including field effect transistors using graphene layers; and a plurality of organic probes which are provided on the graphene layers, and at least some of which have different bond strengths with the substances to be detected. The substance to be detected is discriminated depending on a signal pattern based on intensity differences of the detection signals generated by differences in the bond strengths between the organic probes and the substances to be detected.

Abstract: A molecular detection apparatus according to an embodiment includes: a collection unit collecting a detection target gas containing a molecule to be detected; a substitution unit substituting a part of a molecular structure of at least a part of the molecule to generate a substitution product; a detector including a plurality of detection cells each having a sensor unit and an organic probe disposed at the sensor unit, the organic probe capturing the molecule or the substitution product; and a discriminator discriminating the molecule by a signal pattern based on an intensity difference of detection signals generated with the molecule or the substitution product being captured by the organic probes of the plurality of detection cells.

Abstract: A molecular detection apparatus according to an embodiment includes: a collection unit collecting a detection target gas containing a molecule to be detected; a substitution unit substituting a part of a molecular structure of at least a part of the molecule to generate a substitution product; a detector including a plurality of detection cells each having a sensor unit and an organic probe disposed at the sensor unit, the organic probe capturing the molecule or the substitution product; and a discriminator discriminating the molecule by a signal pattern based on an intensity difference of detection signals generated with the molecule or the substitution product being captured by the organic probes of the plurality of detection cells.

Abstract: A gas detection apparatus according to an embodiment includes: a collection unit collecting a detection target gas containing a gas molecule to be detected; a detector including a plurality of detection cells each including a sensor unit and an organic probe disposed at the sensor unit, the organic probe capturing the gas molecule collected by the collection unit; a discriminator discriminating the gas molecule by a signal pattern based on an intensity difference of detection signals generated with the gas molecule being captured by the organic probes of the plurality of detection cells; and a reactivation unit applying heat to the organic probe which has the captured gas molecule to be desorbed the gas molecule from the organic probe.

Abstract: This invention relates to a method of quantitative analysis of hexavalent chromium in a chromate coating on a substrate. In this method a substrate on which the chromate coating is formed is immersed into an aqueous solution containing lithium hydroxide to extract hexavalent chromium within an extraction solution. Quantitative analysis of extracted hexavalent chromium in the extraction solution is then performed.