Abstract: Provided is an optical sensor, including a light source configured to emit light; a photodetector array comprising a plurality of photodetectors positioned at different distances from the light source, each photodetector being configured to detect an optical signal returning from an object irradiated by the light emitted by the light source, and to measure a light intensity of the detected optical signal; and a processor configured to determine a correlation coefficient between variables based on the measured light intensity, and to determine a quality of the optical signal based on the determined correlation coefficient, an optical characteristic of the object being determined by selectively using the optical signal of which the quality is an acceptable level or higher.

Abstract: An apparatus for estimating blood concentration may include an optical sensor configured to emit light towards a skin surface of a user, and detect an optical signal reflected by the skin surface of the user, and a processor configured to select an interval-specific blood concentration estimation model, from among a plurality of interval-specific blood concentration estimation models, based on an interval selection indicator and estimate a blood concentration change or a blood concentration of an analyte using the selected interval-specific blood concentration estimation model and the detected optical signal.

Abstract: The present invention provides a pharmaceutical composition for preventing or treating cancer, a food composition for enhancing immune functions, and a pharmaceutical composition for preventing or treating cachexia. The composition of the present invention provides effects of further inhibiting the growth of tumors, increasing immunological activity, and suppressing cachexia caused by tumors. In addition, the composition of the present invention can obtain a synergistic effect when co-administered with an existing anticancer drug.

Abstract: An actuator according to an aspect of the present invention includes: a driving body including a plurality of conductive grains, a chamber configured to confine the plurality of conductive grains, and two or more electrodes disposed on a surface of the chamber, and a controller configured to obtain, through the two or more electrodes, a change in an electric signal, in response to a load applied to the chamber, and to adjust the load applied to the chamber based on the change in the electric signal.

Abstract: Provided is a body composition analyzing apparatus by using an impedance of a half of an upper body. According to an example embodiment, the body composition analyzing apparatus includes a first electrode part which comes into contact with a half of an upper body of an object, a second electrode part which comes into contact with the half of the upper body, a measurer configured to apply a current to each of the electrode parts, and to measure an impedance of the half of the upper body of the object by measuring a voltage of each of the electrode parts, and an analyzer configured to analyze body composition of the object based on the measured impedance of the half of the upper body.

Abstract: A bio-signal measuring apparatus includes a first electrode, a second electrode, a third electrode, a fourth electrode, and a first circuit network and a second circuit network, each of the first circuit network and the second circuit network includes one or more resistances. The bio-signal measuring apparatus further includes an impedance measurer configured to measure a first impedance of the first circuit network in a first correction mode, measure a second impedance of the second circuit network in a second correction mode, measure a third impedance of an object in a first measurement mode, using the first electrode, the second electrode, the third electrode, and the fourth electrode, and measure a fourth impedance of the object in a second measurement mode, using the first electrode, the second electrode, the third electrode, and the fourth electrode.

Abstract: A bio-information processing apparatus may include: a main body; a strap which is connected to both ends of the main body; an impedance measurer configured to measure a bio-impedance of a user while the main body and the strap are in contact with the user; and a processor configured to estimate a body water amount of the user by applying the measured bio-impedance to a body water estimation model.

Abstract: The present discloses a waste screening apparatus comprising: a main body; a waste screener vertically and tiltedly disposed in the main body to screen wastes in the input water and to allow waste-removed water to be discharged through water discharge holes defined in both side faces of the main body respectively, wherein the waste screener vertically circulates in a conveyor manner, wherein the input water is input to a front, rear and bottom of the waste screener; wherein the main body includes: both side walls having the water discharge holes defined therein respectively to allow waste-removed water to be discharged out from the waste screener therethrough; and a rear blocking wall disposed at a rear of the waste screener to be spaced from the waste screener, wherein the input water passes through front and rear portions of the waste screener with wastes being removed from the input water, and, then, is discharged out through the water discharge holes defined in the both side walls respectively.

Abstract: The present invention provides a composition containing, as active ingredients, Panax ginseng, Adenophora triphylla, Wolfiporia extensa, Rehmannia glutinosa, and Mel for an antitussive, expectorant, or anti-inflammatory action, and a composition for preventing, alleviating, or treating a respiratory disease. The present invention provides a compositions having excellent effects compared with an existing antitussive agent and expectorant agent. The compositions of the present invention are a naturally derived material and has little cytotoxicity, and thus is expected to be safely used as a medicine or food composition having antitussive, expectorant, and anti-inflammatory effects.

Abstract: The present discloses a waste screening apparatus comprising: a main body; a waste screener vertically and tiltedly disposed in the main body to screen wastes in the input water and to allow waste-removed water to be discharged through water discharge holes defined in both side faces of the main body respectively, wherein the waste screener vertically circulates in a conveyor manner, wherein the input water is input to a front, rear and bottom of the waste screener; wherein the main body includes: both side walls having the water discharge holes defined therein respectively to allow waste-removed water to be discharged out from the waste screener therethrough; and a rear blocking wall disposed at a rear of the waste screener to be spaced from the waste screener, wherein the input water passes through front and rear portions of the waste screener with wastes being removed from the input water, and, then, is discharged out through the water discharge holes defined in the both side walls respectively.

Abstract: An organic light emitting diode (OLED) display includes a red pixel, a green pixel, and a blue pixel. The red pixel, the green pixel and the blue pixel each includes: a pixel electrode; a hole auxiliary layer on the pixel electrode; a blue organic emission layer on the hole auxiliary layer; an electron auxiliary layer on the blue organic emission layer; and a common electrode on the electron auxiliary layer. The red pixel and the green pixel include: a red boundary layer and a green boundary layer, respectively; a red resonance assistance layer and a green resonance assistance layer, respectively; and a red organic emission layer and a green organic emission layer formed between the red resonance assistance layer and the blue organic emission layer, and between the green resonance assistance layer and the blue organic emission layer, respectively.

Abstract: An ultra-high-strength spring steel, for use as a valve spring steel in a vehicle engine, includes 0.5 to 0.7% by weight of C, 1.2 to 1.5% by weight of Si, 0.6 to 1.2% by weight of Mn, 0.6 to 1.2% by weight of Cr, 0.1 to 0.5% by weight of Mo, 0.05 to 0.8% by weight of Ni, 0.05 to 0.5% by weight of V, 0.05 to 0.5% by weight of Nb, 0.05 to 0.3% by weight of Ti, 0.3% or less by weight of Cu (but not 0%), 0.0001 to 0.3% by weight of Al, 0.03% or less by weight of N (but not 0%), 0.0001 to 0.003% by weight of O, and a remainder of Fe and other unavoidable impurities, based on 100% by weight of the ultrahigh-strength spring steel.

Abstract: A microfluidic system for analyzing nucleic acid, the microfluidic system including a reagent supply device including a sample chamber into which a sample can be injected, one or more reagent chambers for containing one or more reagents for extracting nucleic acid from the sample, and a waste chamber in which the used reagent can be discarded; a binding-lysis chamber in which cells are captured from the sample and lysed to form a cell lysate containing nucleic acid; plurality of particles for cell binding disposed in the binding-lysis chamber; a plurality of rehydration chambers into which the cell lysate formed in the binding-lysis chamber can be distributed and mixed with a nucleic acid amplification reagent to form an amplification reaction mixture; a plurality of amplification chambers in which a nucleic acid amplification reaction is performed on the amplification reaction mixture introduced from the plurality of rehydration chambers; and a flow channel system including an outlet and a plurality of inlet

Abstract: A reagent supply device includes a plurality of chambers which are separated from each other such that different reagents may be injected, the plurality of chambers having bottom surfaces made of a membrane, the membrane comprising a destruction pattern which is formed at a position corresponding to each of the plurality of chambers and breachable by an external impact to discharge the injected reagent from the chamber.

Abstract: A method for building a database for fingerprinting positioning including: generating, by a database building device, raw data by collecting received signal strengths (RSSs) for access points (APs) at each sample point (SP); and generating a cluster table by clustering SPs for each of the APs according to the RSS for the AP, using the generated raw data.

Abstract: A method for amplifying a nucleic acid amplification in the presence of an ionic liquid that suppresses an inhibitor of nucleic acid amplification, particularly when in a biological material, and a composition useful for performing the method.

Abstract: A device for removing ice and snow from a power transmission line includes a support member installed on the power transmission line, and a vibrator that is provided for the support member and applies vibrations to the power transmission line so as to remove the ice and the snow attached to the power transmission line.

Abstract: A method of manufacturing an organic light-emitting display apparatus, which can minimize damage to an emission layer, and an organic light-emitting display apparatus manufactured using the method are provided. The method includes: preparing a backplane including a pixel electrode and a pixel-defining layer protruding further than an upper surface of the pixel electrode and exposing at least a part of the pixel electrode; placing a donor film for laser-induced thermal imaging (LITI) on the backplane; irradiating a predetermined portion of the donor film with a first light from a laser beam to transfer a part of a transfer layer at the predetermined portion of the donor film to the backplane; irradiating at least one of the donor film and the backplane with a second light having a weaker output than that of the first light from the laser beam; and detaching the donor film from the backplane.

Abstract: A method for building a database for fingerprinting positioning including: generating, by a database building device, raw data by collecting received signal strengths (RSSs) for access points (APs) at each sample point (SP); and generating a cluster table by clustering SPs for each of the APs according to the RSS for the AP, using the generated raw data.

Abstract: A microfluidic device comprising a first substrate including a micro-flow path and a valve seat protruding into the micro-flow path, a second substrate coupled to the first substrate and including a cavity aligned with the valve seat, and a valve gate film provided between the first substrate and the second substrate, such that the valve gate film opens and closes the micro-flow path with air pressure applied to the cavity, wherein a surface of the valve seat is separated from the valve gate film at the initial stage such that the micro-flow path is opened at the initial stage, and the valve gate film moves to be in contact with the surface of the valve seat so that the micro-flow path is closed when air pressure is applied to the cavity.