Abstract: A capacitor includes a first electrode and a second electrode arranged to face each other, and a gel structure arranged to be sandwiched between the first electrode and the second electrode. The gel structure is made of a hydrogel containing a reactant that reacts with a target substance which is an analysis target to generate a gas. The first electrode and the second electrode each include an insulating layer formed to cover respective surfaces facing each other. The gel structure is sandwiched between the first electrode and the second electrode via the insulating layers.

Abstract: A temperature measurement device includes a first probe that measures a physical quantity related to a temperature of a substance on the basis of a first reference, a second probe that measures a physical quantity related to a temperature of the substance on the basis of a second reference different from the first reference, and a heat conductive member that covers the first probe and the second probe and transports heat from the substance.

Abstract: A method includes transporting a solution in which a target molecule is dissolved into a channel including a measurement area by surface plasmon resonance (SPR) and a hydrogel layer provided in the middle of the measurement area to obtain a first measurement result by surface plasmon resonance at a portion where the hydrogel layer is not formed in the measurement area and a second measurement result by surface plasmon resonance at a portion where the hydrogel layer is formed in the measurement area, and evaluating a diffusion rate of the molecules in the hydrogel by comparing the first measurement result with the second measurement result.

Abstract: This temperature measurement device includes a temperature sensing unit serving as a detector for measuring a magnitude of a heat flow transmitted from a living body, a housing having a hollow structure, a heat flow compensation mechanism with a hollow structure that is disposed in a space inside the housing so as to cover the temperature sensing unit and transports a heat flux from the living body outside the temperature sensing unit to an upper part of the temperature sensing unit, and a circuit board mounted on the heat flow compensation mechanism. The circuit board includes a processing electronic circuit for calculating the internal temperature of the living body on the basis of the magnitude of the heat flow measured by the temperature sensing unit.

Abstract: A suction channel is made of a flexible resin, and is formed in a base. The suction channel suctions sweat that has come into contact with the detection electrode. The suction channel makes use of surface tension from micro channels to suction liquid into an interior from a suction port. A sodium ion detection electrode, a potassium ion detection electrode, and a reference electrode, which are detection electrodes for detecting ions contained in the sweat, are formed on an inner wall of a channel of the suction channel.

Abstract: An internal temperature measurement device includes a sound wave sensor that transmits a sound wave to a subject and receives a reflected sound wave reflected by the subject, a time measurement device that measures an elapsed time elapsed between transmission of the sound wave from the sound wave sensor and reception of the reflected sound wave, a sound velocity calculator that calculates a sound velocity in the subject according to the elapsed time measured by the time measurement device, and an internal temperature derivation device that determines an internal temperature of the subject according to the sound velocity calculated by the sound velocity calculator.

Abstract: A device includes: an ultrasonic wave irradiation unit that irradiates a living body with an ultrasonic wave; an ultrasonic wave detection unit that receives an ultrasonic wave reflected by the living body; and a calculation unit that calculates an amount of temperature change in the living body. The calculation unit is configured to: calculate a frequency of an ultrasonic wave amplified in the living body, based on information on a structure of the living body; perform frequency analysis on the ultrasonic wave received by the ultrasonic wave detection unit and acquire an amplitude spectrum of the ultrasonic wave; identify, from the amplitude spectrum, a peak frequency closest to the frequency of the ultrasonic wave; calculate an amount of frequency change, from two peak frequencies identified by ultrasonic wave irradiations in twice; and calculate an amount of temperature change in the living body from the amount of frequency change.

Abstract: An embodiment includes a bioelectrode including a hydrogel film, a conductive film, and a protective film. The conductive film is formed on one surface of the hydrogel film, and the protective film is formed on the other surface of the hydrogel film. The hydrogel film is comprises a mixture of a first material and a second material and is compatible with a living body, the first material configured to cause a sol-gel change at a temperature within a predetermined range around a body temperature of the living body and being compatible with the living body, the second material configured to not cause a sol-gel change at the temperature and being compatible with the living body. The protective film is provided to suppress the infiltration of water into the hydrogel film. The protective film can be made of a waterproof material or a water-repellent material.

Abstract: A dielectric spectroscopy measuring device includes a signal generation unit that generates electromagnetic waves, a signal separation unit that separate the electromagnetic waves according to a transmission direction and outputs the separated electromagnetic waves to an output destination corresponding to the transmission direction, a changeover switch unit that receives the electromagnetic waves generated by the signal generation unit via the signal separation unit, switches an output destination, and outputs the received electromagnetic waves, and outputs electromagnetic waves returning from the output destination to the signal separation unit, a sensor unit that irradiates a measurement target with the electromagnetic waves output by the changeover switch unit, and outputs measurement target waves obtained by irradiation to the changeover switch unit, a calibration standard unit including a circuit for calibration standard, the circuit outputting reflected waves for calibration generated by receiving the

Abstract: A heat flux sensor including two temperature sensors is used to obtain time-series data of a core temperature of a living body, and a blood flow rate in a vicinity of the heat flux sensor is measured by a blood flow sensor. In an arithmetic circuit, a delay time until a fluctuation of the core temperature of the living body is reflected on an epidermis temperature is calculated on the basis of the blood flow rate measured by the blood flow sensor and a previously prepared relation between the blood flow rate and the delay time until the fluctuation of the core temperature of the living body is reflected on the epidermis temperature, and a time corresponding to the core temperature of the living body on the basis of the delay time is corrected.

Abstract: A light irradiation unit configured to irradiate a measurement part with a light beam that has a wavelength absorbed by glucose and a detection unit configured to detect a photoacoustic signal generated from the measurement part irradiated with the light beam emitted from the light irradiation unit are included. The light irradiation unit irradiates the measurement part by scanning the light beam 2-dimensionally. The measurement part is irradiated with the light beam through raster scanning. For example, the light beam has a beam diameter of about 100 ?m and is scanned at a scanning speed of about 100 ?m/10 ms.

Abstract: An in-vivo temperature measurement device includes a plurality of thermal resistors, temperature sensors for measuring an epidermis temperature of a living body, and temperature sensors for measuring an upper surface temperature that are provided at both ends of the thermal resistors, respectively, a memory that stores an estimation model of the core temperature of the living body that takes into consideration a non-thermal equilibrium state of the living body, and thermal resistance values of the thermal resistors, and an arithmetic circuit that estimates, based on the plurality of temperatures measured by the temperature sensors and the temperature sensors, the core temperature of the living body using the estimation model and the thermal resistance values, and the thermal resistance values are different from one another.

Abstract: An awakening induction system includes a core temperature measuring unit that measures a core temperature of a user; an awakening time estimation unit that estimates an awakening time of the user on the day before a scheduled date of awakening induction; a recommended wake-up time presentation unit that determines a recommended wake-up time range of the scheduled date based on the awakening time to present the wake-up time range to the user; a wake-up time setting unit that sets a scheduled wake-up time of the scheduled date according to an instruction from the user; and a control unit that instructs the environmental control device to raise an environment temperature around the user when it is a predetermined time before the scheduled wake-up time of the scheduled date, and also instructs the environmental control device to irradiate the user with light when the scheduled wake-up time of the scheduled date is reached.

Abstract: An acquisition device acquires peak-like shape data measured by a measurement method capable of obtaining waveform data having a peak indicating a feature of a measurement object as a measurement result. An arithmetic device reconstructs the peak-like shape data by using a part of a plurality of bases obtained by performing the Karuhunen-Loeve transform on the peak-like shape data. The arithmetic device reconstructs the peak-like shape data by using a first base, a second base, a third base, and a fourth base obtained by performing the Karuhunen-Loeve transform on the peak-like shape data.

Abstract: A component concentration measuring apparatus includes: a dielectric spectroscopy portion that irradiates a measurement subject with electromagnetic waves and measures a complex permittivity, thereby acquiring a dielectric spectroscopy spectrum; a temperature measurement portion that measures a temperature of the measurement subject; a signal processing portion that corrects the dielectric spectroscopy spectrum according to the temperature measured by the temperature measurement portion; and a calculating portion that applies a calibration model generated in advance from a dielectric spectroscopy spectrum of a sample whose component concentration is known, to the dielectric spectroscopy spectrum corrected by the signal processing portion, thereby calculating a component concentration of the measurement subject.

Abstract: An exercise assistance system includes an arithmetic circuit, a core temperature sensor that measures a core temperature of a subject, a heart rate sensor that measures a heart rate of the subject, and a display device. The arithmetic circuit is configured to cause the display device to present actions to be taken by the subject, based on the core temperature of the subject measured by the core temperature sensor and the heart rate of the subject measured by the heart rate sensor.

Abstract: A particle sorting apparatus for separating particles according to the sizes of the particles, and includes a microchannel device, a computation unit that determines a condition for controlling the microchannel device using a trained model obtained through machine learning of control condition data and separation result data that have been obtained by separating particles while controlling the microchannel device, and a control unit that controls the microchannel device based on the condition.

Abstract: An installation state determination method of the present disclosure includes measuring a temperature and a heat flux of a surface of a living body using a sensor installed at a predetermined site of the living body, calculating a thermal resistance value of the living body based on the measured temperature and heat flux of the surface of the living body, comparing the calculated thermal resistance value of the living body with a reference thermal resistance value of the predetermined site of the living body, and determining an installation state of the sensor at the predetermined site of the living body based on a result of the comparison.

Abstract: A dielectric spectroscopic measurement apparatus includes a first probe, a second probe, and a measurement instrument. The first probe includes a coaxial line and has opened one end as a detection end. The second probe includes a coaxial line and has opened one end as a detection end. Further, the second probe has a longer penetration length than the first probe. The measurement instrument determines a permittivity of a second medium from a result of a measurement of a measurement object using the first probe and a result of a measurement of the measurement object using the second probe.

Abstract: An embodiment is a temperature measuring device including a sensor that measures the temperature of a skin surface of a living body and a heat flux on the skin surface, a time constant calculation unit that calculates a time constant of changes in the temperature over time on the basis of the measurement result of the temperature, a thermal resistance derivation unit that derives the thermal resistance of the living body on the basis of the time constant, and a temperature calculation unit that calculates the internal temperature of the living body on the basis of the temperature of the skin surface and the heat flux on the skin surface measured by the sensor and the thermal resistance derived by the thermal resistance derivation unit.