Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Seoul National University

Kak Namkoong

Chin-sung Park

Joon-Ho Kim

Yeolho Lee

Myounghoon Jung

Seongho Cho

Won-seok Chung

Kwang-wook Oh

Kunsun Eom

Yeol Ho Lee

Won Jong Jung

Jin-tae Kim

Jun-Hong Min

Young-Sun Lee

Kyung-ho Kim

Joon Hyung Lee

Ki Young Chang

Myoung Hoon Jung

Won-jong Jung

Jeo-young Shim

Su-hyeon Kim

Kyu-tae Yoo

Kyu-youn Hwang

Sun-ok Jung

Jin-Tae Kim

Jae Hong Lee

Jin Ha Kim

Yoon-kyoung Cho

Kyung-Ho Kim

Young-a Kim

Geun-Bae Lim

Sung-ouk Jung

Jung Yong Nam

Young-sun Lee

Hee-kyun Lim

Jung-im Han

Ji-na Namgoong

Myo-yong Lee

Woochang Lee

Young Jun Koh

Sung-min Chi

Jae-Jeong Kim

Ho Young Kim

Hun Joo Lee

Chang-eun Yoo

Hyeong Seok Jang

Joonho Kim

Hyung-sok Yeo

Il Doo Kim

Joon-ho Kim

Young-Rok Kim

Jungmok Bae

Joo-Won Rhee

Kui-hyun Kim

Youngjun Koh

Sung-hong Kwon

Soo-Kwan Lee

Young-rok Kim

Eunsung Park

In-ho Lee

Kwang-ho Cheong

Jung-Im Han

Joon-sub Shim

Kyu-Youn Hwang

Ki-eun Kim

Yoon-Kyoung Cho

Hyeongseok Jang

Won Seok Chung

Ki-woong Han

Christopher Hansung Ko

Chin-Sung Park

Ki-Eun Kim

Dong Ha Kim

Kyuyoun Hwang

Kieun Kim

Yu-jin Seo

Jun-hong Min

Sang-hyo Kim

Moon Seong Park

Ji Soo Jang

Soosuk Lee

Chinsung Park

Sun-Ok Jung

Hyo-yeon Lee

Yoon Hwa Kim

Ha Min Shin

Hyung Jun Youn

Atsushi Takamizawa

Kazuya Iinaga

Heekyun Lim

Won-Seok Chung

Won-Jong Jung

Joon-Sub Shim

Chang-Eun Yoo

Sung-Hong Kwon

Hee-Kyun Lim

Sung-Min Chi

Sung-Ouk Jung

Kwang-Ho Cheong

Hee-Kyun 147-602 Hwanggol Maeul Jugong Lim

A blood vessel detection device comprises: a first irradiation unit for irradiating a predetermined site of a subject with light of a first wavelength that is absorbed less by hemoglobin or water and light of a second wavelength that is absorbed more by hemoglobin or water than the first wavelength; a second irradiation unit for irradiating the predetermined site with light of a third wavelength that is absorbed less by hemoglobin; a light intensity detection unit for detecting the intensity of light emitted from the subject at one or more positions spaced apart by a predetermined distance from the light irradiation positions of the first and second irradiation units or one or more contiguous positions; and a control unit that calculates blood vessel depth information, calculates blood vessel angle information, and determines an optimal position for measurement based on the blood vessel depth information and the blood vessel angle information.

Blood vessel detection device and method therefor

Provided are a microfluidic chip, and an apparatus and a method for detecting biomolecules by using the microfluidic chip. According to an example embodiment, the microfluidic chip includes: a first storage configured to accommodate a sample, the sample including target materials; a plurality of second storages connected to the first storage, the plurality of second storages including reactants for the target materials; and a plurality of well arrays connected to the plurality of second storages, respectively, and configured to accommodate a solution of the sample, in which the reactants for the target materials are dissolved.

Microfluidic chip, and apparatus and method for detecting biomolecules

The wrist-type body component measuring apparatus includes: a band configured to be worn on a wrist of a user; a first input electrode and a first output electrode disposed on an inside surface of the band and configured to be in contact with the wrist of the user; a second input electrode and a second output electrode disposed on an outside surface of the band; a measuring unit configured to apply a current to the first and second input electrodes and detect a voltage from the first and second output electrodes to measure a body impedance of the user; and an electrode converter configured to convert a disposition of the first and second input electrodes and the first and second output electrodes based on a determination of whether the band is worn on a left wrist or a right wrist of the user.

Wrist-type body component measuring apparatus and body component measuring method using the same

A method of measuring a bio signal using a bio signal measuring apparatus includes: positioning electrodes included as part of the bio signal measuring apparatus to contact a surface of an examinee; switching an impedance measurer included as part of the bio signal measuring apparatus and including a voltmeter and a current source; measuring a first impedance value of the examinee while operating the impedance measurer according to a first mode; switching the impedance measurer to a second mode; measuring a second impedance value of the examinee while operating the impedance measurer according to a second mode; and obtaining bio impedance of the examinee based on the first and second impedance values and an internal impedance of the current source.

Apparatus and method of measuring bio signal

An apparatus and method for bio-particle detection are provided. The apparatus for bio-particle detection includes: a bio-particle detection chip including a substrate having a plurality of through-hole groups, each through-hole group of the plurality of through-hole groups including through-holes which pass through the substrate from a first surface of the substrate toward an second surface of the substrate opposite to the first surface, and which are configured to accommodate a sample solution loaded therein; and a processor configured to determine a number of through-holes, among the through holes of at least one through-hole group of the plurality of through-hole groups, having a target material encapsulated therein, based on at least one of an electrical signal and an optical signal corresponding to the through-holes of the at least one through-hole group, and to estimate a concentration of the target material based on the determined number.

Apparatus and method for bio-particle detection

A mobile healthcare device and method of operating the same are provided. The method includes setting a mode of the mobile healthcare device to a measurement mode, displaying a screen for guiding a user to maintain a predetermined position during the measurement mode, and, in response to a predetermined amount of time passing from a time at which the screen begins to be displayed, obtaining state information of the user based on bio information of the user, the bio information being received from a sensor.

Mobile healthcare device and method of operating the same

An apparatus for measuring a concentration of a target gas includes: a gas sensor including a sensing layer having an electric resistance that changes by an oxidation reaction or a reduction reaction between gas molecules and the sensing layer; and a processor configured to, in response to the target gas being introduced along with air into the gas sensor, monitor a change of the electric resistance of the sensing layer and determine the concentration of the target gas by analyzing a shape of the change of the electric resistance.

Apparatus and method for measuring gas concentration

A member for a metal oxide nanofiber based gas sensor can include a metal nanoparticle catalyst and can be formed to be functionalized by binding the metal nanoparticle catalyst and an alkali or alkaline earth metal through electrospinning and heat treatment processes. The member can detect a trace amount of a gas with high selectivity and ultra-high sensitivity by uniformly binding the alkali or alkaline earth metal and the metal nanoparticle catalyst through electrospinning and high-temperature heat treatment.

Gas sensor using metal oxide semiconducting nanofiber sensitized by alkali or alkaline earth metal and noble metal catalysts, and manufacturing method thereof

An apparatus for obtaining bio information includes: a first electrode portion including a current electrode and a voltage electrode arranged to contact a first body portion of a subject; a second electrode portion including a current electrode and a voltage electrode arranged to contact a second body portion of the subject; and a measuring unit configured to measure a bio impedance of the subject by applying a current to the current electrodes of the first and second electrode portions and detecting a voltage at the voltage electrodes of the first and second electrode portions. In order to decrease errors of a measured bio impedance, contact resistances of the first and second body portions of the subject contacting the current electrode and the first and second body portions of the subject contacting the voltage electrode are different from each other, for at least one of the first and second electrode portions.

Apparatus for obtaining biological information

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.

Bio-signal measuring apparatus and bio-signal measuring method

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.

Apparatus and method for estimating blood concentration of analyte, and apparatus and method for generating model

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.

Bio-impedance measuring apparatus using half of upper body, body composition analyzing apparatus and body composition analyzing method

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.

Optical sensor, method of measuring optical signal, and apparatus for estimating blood concentration of analyte

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Seoul, South Korea

Kak Namkoong