Abstract: Provided is a plasma reactor including a reactor body having a gas inlet at a side thereof, a gas outlet at another side thereof, and an annular loop space therein, a magnetic core provided in a shape surrounding a portion of the reactor body, and wound with a primary coil for receiving power from a power unit, so as to generate plasma by exciting a gas in the annular loop space, and a control unit for determining whether the plasma is in an off state, by comparing, to a reference value, an electrical parameter related to an output of the primary coil.

Abstract: An apparatus for analyzing a substance of an object in a non-invasive manner is provided. The apparatus for analyzing a substance of an object includes: a sensor part including an image sensor, and a plurality of light sources disposed around the image sensor; and a processor configured to drive the plurality of light sources to obtain absorbance of each pixel of the image sensor based on an intensity of light received by each pixel, to correct the absorbance of each pixel based on a distance between the plurality of light sources and each pixel, and to analyze a substance of an object based on the corrected absorbance of each pixel.

Abstract: An apparatus for estimating bio-information, includes: a sensor configured to detect at least one first light signal and at least one second light signal, each of the at least one first light signal having a first light path from an object and each of the at least one second light signal having a second light path from the object that is different from the first light path; and a processor configured to: obtain a first absorbance based on the at least one first light signal, obtain a second absorbance based on the at least one second light signal, and estimate bio-information based on a difference between the first absorbance and the second absorbance.

Abstract: Provided is a method of providing health information using an electronic device with a display devices. One or more processors may be configured to display, based on a request from a user, a home screen of a user interface through a display device, assess a health status of a user based on receiving data related to one or more health indices, display a virtual avatar that responds to a health status of the user on the home screen, determine a new visualization method of the virtual avatar, and modify the representation of the virtual avatar according to the determined new visualization method.

Abstract: Provided is an apparatus configured to estimate an antioxidant component, the apparatus including a storage configured to store first antioxidant concentrations estimated at a first body part and second antioxidant concentrations estimated at a second body part, and a processor configured to estimate the first antioxidant concentrations at the first body part, to extract, as training data, data pairs of the first antioxidant concentrations and the second antioxidant concentrations from the storage based on learning conditions, and generate a transformation model configured to transfer the second antioxidant concentrations into a reference index based on the training data.

Abstract: An apparatus for estimating a concentration of a component includes a sensor including a plurality of light sources having different central wavelengths and at least one detector configured to detect light, and a processor configured to determine a first reflectance of skin using a first light source of the plurality of light sources, set an operating condition of the sensor based on the determined first reflectance, drive the plurality of light sources according to the operating condition, and estimate a concentration of an analyte component based on a plurality of light quantities detected from skin by the at least one detector.

Abstract: An electronic device may include an optical sensor configured to emit a reference light to a reference object and detect the reference light reflected from the reference object during calibration, and emit a measurement light to a target object and detect the measurement light reflected from the target object during a measurement; and a processor configured to perform the calibration of the optical sensor while the electronic device is disposed to oppose or in contact with the reference object by controlling the optical sensor to emit and detect the reference light, and estimate bio-information based on a light quantity of the measurement light that is reflected from the target object by the optical sensor, and a light quantity of the reference light reflected from the reference object.

Abstract: An apparatus for estimating bio-information includes: a sensor including one or more light sources configured to emit light to an object and a plurality of detectors configured to detect light reflected from the object; and a processor configured to transform a plurality of light quantities obtained from respective detectors of the plurality of detectors to a distance domain, to combine the plurality of transformed light quantities in the distance domain, to correct the combined light quantity based on a reference light quantity for correcting a deviation of a distance between the one or more light sources and the plurality of detectors, and to estimate bio-information based on a light quantity resulting from the correction.

Abstract: An apparatus for estimating a component of an analyte may include a sensor including a light source configured to emit light to the analyte, and a detector configured to measure a spectrum of light reflected from the analyte; and a processor configured to: based on an initial amount of received light being obtained from the analyte by operating the sensor under initial operating conditions, determine optimal operating conditions based on the initial amount of received light and the initial operating conditions; and based on a spectrum being measured from the analyte by operating the sensor under the optimal operating conditions, estimate the component of the analyte based on the spectrum.

Abstract: The present invention relates to a thiobenzimidazole derivative or a pharmaceutically acceptable salt thereof, and a composition for preventing or treating cancer, comprising the derivative as an active ingredient. The thiobenzimidazole derivative of the present invention exhibits cell toxicity by blocking the cell cycle of a cancer cell and inducing apoptosis when administered to an individual, as the derivative inhibits tubulin polymerization by being activated in the cancer cell, and, thus, the derivative can be used for prevention or treatment of cancer, desirably for prevention or treatment of triple-negative breast cancer.

Abstract: A method of correcting an error of an optical sensor which includes a light source and a detector, including adjusting a brightness of the light source to a preset brightness; controlling the light source to emit light to a preset material; acquiring preset material data corresponding to the emitted light and the preset material using the detector; and correcting, by using the acquired preset material data, an error of a distance between the light source and the detector based on a difference between a first amount of light received at a first point of the detector and a second amount of light received at a second point of the detector, or based on a gradation of an image obtained by the detector

Abstract: An apparatus for estimating bio-information may include an optical sensor comprising a light emitter disposed on a substrate, and a plurality of light receiving groups which are arranged on a plurality of concentric circles on the substrate, at different distances from the light emitter, respectively, and a processor configured to drive one of the plurality of light receiving groups that is selected based on a type of the bio-information to be estimated, and estimate the bio-information of an object based on optical signals detected by the driven light receiving group.

Abstract: An electronic device may include an optical sensor configured to emit a reference light to a reference object and detect the reference light reflected from the reference object during calibration, and emit a measurement light to a target object and detect the measurement light reflected from the target object during a measurement; and a processor configured to perform the calibration of the optical sensor while the electronic device is disposed to oppose or in contact with the reference object by controlling the optical sensor to emit and detect the reference light, and estimate bio-information based on a light quantity of the measurement light that is reflected from the target object by the optical sensor, and a light quantity of the reference light reflected from the reference object.

Abstract: An electronic device according to one aspect may include a main body, a sensor part disposed on one surface of the main body and configured to detect a light signal of an object, a first output interface comprising a light emitter disposed on one surface of the main body and configured to guide a user through a measurement operation by controlling a light-emitting mode of the light emitter, and a processor configured to control the first output interface according to the measurement operation and estimate the user's bioinformation based on a result of detecting the light signal by the sensor part.

Abstract: An apparatus for estimating bio-information may include an optical sensor comprising a light emitter disposed on a substrate, and a plurality of light receiving groups which are arranged on a plurality of concentric circles on the substrate, at different distances from the light emitter, respectively, and a processor configured to drive one of the plurality of light receiving groups that is selected based on a type of the bio-information to be estimated, and estimate the bio-information of an object based on optical signals detected by the driven light receiving group

Abstract: An electronic device may include: an optical sensor configured to emit a reference light to a reference object and detect the reference light reflected from the reference object during calibration, and emit a measurement light to a target object and detect the measurement light reflected from the target object during a measurement; a display; and a processor configured to: when the electronic device is placed on a charger and is in a charging state, perform the calibration of the optical sensor based on the reference light reflected from the reference object; control the display to output guide information for estimating bio-information according to progress stages of the measurement after charging of the electronic device; and estimate the bio-information based on a light quantity of the measurement light that is reflected from the target object, and a light quantity of the reference light reflected from the reference object.

Abstract: Provided is a plasma reactor including a reactor body having a gas inlet at a side thereof, a gas outlet at another side thereof, and an annular loop space therein, a magnetic core provided in a shape surrounding a portion of the reactor body, and wound with a primary coil for receiving power from a power unit, so as to generate plasma by exciting a gas in the annular loop space, and a control unit for determining whether the plasma is in an off state, by comparing, to a reference value, an electrical parameter related to an output of the primary coil.

Abstract: Provided is a method of correcting an error of an optical sensor including a light source and an image sensor, the method including emitting light to a material by driving the light source, acquiring an image of the material by the image sensor, and correcting an error of a distance between the light source and the image sensor of the optical sensor based on a gradation of the acquired image of the material.

Abstract: An apparatus for estimating bio-information includes a display including unit pixels, each of the unit pixels including light sources configured to emit light having different wavelengths, and detectors configured to detect light having the different wavelengths. The apparatus further includes a processor configured to determine source pixels configured to emit light onto an object, among the unit pixels, determine detector pixels configured to detect light that is scattered or reflected from the object, among the unit pixels, control the determined source pixels and the determined detector pixels to obtain a spectrum based on the light having multiple wavelengths that is detected by the detector pixels, and estimate bio-information, based on the obtained spectrum.

Abstract: The present disclosure relates to an apparatus for non-invasively estimating a target component value based on a light spectrum. The apparatus for estimating the target component value may include a sensor configured to obtain a spectrum of light scattered or reflected from an object, and a processor configured to correct a first reflectance value of the spectrum based on a melanin index; obtain a second reflectance value based on correcting the first reflectance value; convert the second reflectance value into an absorbance value; estimate the target component value based on the absorbance value; and correct the target component value based on a hemoglobin index.