Abstract: Provided are a method of chondrogenic differentiation from mesenchymal stem cells and a composition comprising chondrogenic cells differentiated using the method to treat diseases caused by cartilage damage. In the method, a centrifugal force is applied to human mesenchymal stem cells to be differentiated into chondrogenic cells. The chondrogenic differentiation may be achieved at moderate cost without using expensive cytokines or growth factors by periodically applying only a centrifugal force. According to the method of chondrogenic differentiation from mesenchymal stem cells in the present embodiment, chondrogenic cells may be also differentiated from human mesenchymal stem cells.

Abstract: Provided is an apparatus for detecting bio materials and a method for detecting bio materials by using the apparatus. The apparatus includes a bio material reacting unit, an optical source unit, and a detecting unit. The bio material reacting unit includes bio sensing materials immobilized on gold nanoparticles. The optical source unit emits light toward the bio material reacting unit. The detecting unit measures variations of surface absorbance of the gold nanoparticles by detecting light transmitted through the bio material reacting unit before and after a bio material is bound to the bio sensing materials.

Abstract: Provided is a bio-sensor chip. The bio-sensor chip includes a sensing part, a board circuit part, a channel part, and a cover. In the sensing part, a target material and a detection material interact with each other to detect the target material. The board circuit part is electrically connected to the sensing part. The channel part provides a solution material containing the target material into the sensing part. The cover is coupled to the board circuit part to cover the channel part and the sensing part.

Abstract: There is provided a non-intrusive movement measuring apparatus and method using wearable electro-conductive fibers. A non-intrusive movement measuring apparatus using wearable electro-conductive fibers according to an aspect of the invention may include a signal measurement device measuring a plurality of movement signals using a plurality of electro-conductive fibers put on user's body parts and having resistances varying according to the volume of the user's body parts; a movement analysis device analyzing the plurality of movement signals to obtain a user's movement patterns and movement intensity; and a movement display device displaying a movement analysis result of the movement analysis device. Accordingly, user's movement can be measured without limiting the user's radius of action.

Abstract: An apparatus for measuring a physiological signal of a vehicle driver includes: a conductive fabric electrode coated on a target object within a vehicle and detecting a physiological current of a driver when it comes in contact with the driver; and a signal generating unit generating an electrical signal corresponding to the physiological current.

Abstract: Provided are a nanoparticle for detecting biomaterials and a biosensor by using the nanoparticle. The nanoparticle includes a metal nanostructure around which an electric field is induced by localized surface plasmon resonance when light is irradiated onto a surface of the metal nanostructure, a spacer covering the surface of the metal nanostructure, and capture molecules specifically reacting with fluorophore-labeled target molecules, and immobilized on a surface of the spacer.

Abstract: An apparatus and method for assisting medication are disclosed. The apparatus includes a medication box and a medication service device. The medication box includes a plurality of containers each storing a paper bag of medication, and discharges a paper bag of medication from a corresponding one of the containers using a rotational force of an electric motor, and detects whether the stored paper bag of medication is present or is discharged. The medication service device includes a situation detector detecting a status of a user based on user identification and signal strength included in a radio frequency signal, and a status of the medication box, a situation recognizer recognizing a medication situation, and a service executor generating a service for medication. The user who has to regularly take a paper bag of medication for a long time can be assisted to take an accurate dose of medication on time.

Abstract: Provided is a portable optical biosensor measuring apparatus. The portable optical biosensor measuring apparatus includes a light emitting unit emitting a light having a first line width, an optical biosensor receiving an output light from the light emitting unit, and a peak wavelength detector detecting one peak wavelength having a second line width from a light from the optical biosensor. The first line width is greater than the second line width, and the optical biosensor provides the peak wavelength according to an antigen-antibody reaction.

Abstract: Provided is a method of immobilizing an active material on a surface of a substrate. The method including cleaning a substrate, functionalizing a surface of the substrate using a hydroxyl group, functionalizing the surface of the substrate at atmospheric pressure using a vaporized organic silane compound, and immobilizing an active material to an end of the surface of the substrate. Therefore, since evacuation or the use of carrier gas is not necessary, a uniform, high-density, single-molecular, silane compound film can be formed inexpensively, simply, and reproducibly, and an active material can be immobilized to the single-molecular silane compound film.

Abstract: Provided is a system for and method of extracting and clustering information. The system includes a clustering criterion designing unit that reconstructs a plurality of clustering criteria for each layer or applies weights to the plurality of clustering criteria in order to design a new clustering criterion, an input data processing unit that extracts characteristics from input data according to the new clustering criterion, and a clustering unit that performs clustering on the extracted characteristics.

Abstract: There is provided a method and apparatus for sensing a meal activity among the various activities of daily life using pressure sensors. A meal activity sensing apparatus collects sensor data detected through a plurality of pressure sensors installed in a smart meal mat, filters the collected sensor data, measures a pressure variance by using the filtered sensor data, determines whether a meal activity has taken place by comparing the measured pressure variance with a preset threshold value, and transmits meal activity information associated with the meal activity to an information processor communicating with the smart meal mat via radio frequency. Since this provides an advantage of more accurate detection of the meal activity, it can be useful in care services for eldercare facilities and for elderly individuals living alone, and further, in the efficient observance of an individual's daily meal patterns.

Abstract: An apparatus and method for assisting medication are capable of assisting medication of users who have to regularly take medications in daily life. The apparatus includes a medication box having a plurality of containers, each of which stores a dose of medication to be taken at one time according to a medication schedule, a radio frequency (RF) transmitter carried on a user and transmitting an RF signal, an RF receiver receiving the RF signal from the RF transmitter, and a controller controlling medication assisting. Thus, the apparatus checks a spatial-temporal situation of the user, i.e. an medication, notification or information situation, using the received RF signal, and creating and providing medication service corresponding to the checked situation.

Abstract: Provided is a biosensor which can detect a specific biomaterial by an interaction between target molecules and probe molecules, and a manufacturing method thereof. The biosensor includes: a first conductive semiconductor substrate; a second conductive doping layer formed on the semiconductor substrate; an electrode formed on top of both opposite ends of the doping layer; and probe molecules immobilized on the doping layer.

Abstract: Provided are a method of manufacturing a semiconductor nanowire sensor device and a semiconductor nanowire sensor device manufactured according to the method. The method includes preparing a first conductive type single crystal semiconductor substrate, forming a line-shaped first conductive type single crystal pattern from the first conductive type single crystal semiconductor substrate, forming second conductive type epitaxial patterns on both sidewalls of the first conductive type single crystal pattern, and forming source and drain electrodes at both ends of the second conductive type epitaxial patterns.

Abstract: Provided are an apparatus and method for supporting a medicine-taking service capable of supporting patients to take a medicament to dynamically comply with a dosage schedule managed in a remote control manner. The automatic distribution of the medicaments is carried out by receiving a dynamically changing dosage schedule and prescription from a server to store the received dosage schedule and prescription; checking a medicine-taking time using the dosage schedule and storing the checked medicine-taking time; informing a user and the server of the medicine-taking time; distributing a corresponding number of medicaments from corresponding vials using the dosage schedule according to a user's intention to take medicine when it is the medicine-taking time; confirming whether a user takes the distributed medicaments; and transmitting the confirmed medicine-taking results to the server.

Abstract: Provided are a dosage management system and an apparatus and method for supporting a medicine-taking service. The dosage management system includes a dosage management server managing information required for a dosage schedule and support of a medicine-taking service, and transmitting a corresponding dosage schedule on demand of the dosage schedule; and an apparatus for supporting a medicine-taking service, wherein the apparatus for supporting a medicine-taking service deposits packets of medicines packaged in a series of medicine packets, receives a corresponding dosage schedule, displays medicine-tacking alarm according the received corresponding dosage schedule, sequentially discharges one of the deposited packets of medicines, checks whether a user takes a packet of medicines to transmit the result of taking medicine to the dosage management server.

Abstract: Provided are a fall accident detection apparatus and method capable of detecting frequent falling accidents in daily lives of old, feeble or invalid pedestrians in real time and notifying a fall control server of the falling accidents in order to actively prepare for possible secondary accidents by falls. The fall accident detection apparatus includes an acceleration sensor detecting information on acceleration and slope; a controller judging behaviors using the information on acceleration and slope detected by the acceleration sensor and determining a fall accident by analyzing a sequential pattern of the judged behaviors; and a communication unit transmitting information on a fall accident when the fall accident is determined by the controller.

Abstract: Provided is a micro gas sensor including: a substrate; an open cavity and electrode pad separation grooves formed on the substrate; a plurality of electrode pads formed on an upper portion of the substrate and electrically insulated from each other by the electrode pad separation grooves; a micro heater connected to a plurality of the electrode pads by a bridge structure and suspended on the open cavity; a plurality of sensing electrodes formed on the same plane between the micro heater and a plurality of the electrode pads in a cantilever array and suspended on the open cavity; and a gas sensing film formed to be hung down between microelectrode finger spacings of a plurality of the sensing electrodes to represent changes in characteristics according to a gas concentration by contacting surfaces of the micro heater and a plurality of the sensing electrodes.

Abstract: There are provided a filter chip in which a filter is mounted on a microfluidic device as a hybrid form, and a method of manufacturing the filter chip. The method includes: forming a bottom structure where a groove for stably mounting a filter is formed; mounting the filter on the groove; forming a top structure forming a fluid inlet for injecting a fluid into the filter; and covering the top structure on a top area of the groove to attach to the bottom structure, wherein the groove and the filter have a shape becoming narrow from the fluid inlet to a fluid outlet in such a way that the fluid receives a rapid change of a capillary force while passing through the filter. Accordingly, blood plasma is capable of being separated at a higher speed by increasing the capillary force of the fluid outlet, thereby obtaining the blood plasma as large amount as possible.

Abstract: A context aware system and a context aware method thereof perform a reasoning to be aware of contexts in ubiquitous environments. The context aware method includes procedures of modeling a knowledge base describing context information including constraints; classifying the context information described in the knowledge base according to the constraints; filtering fact data having same constraints as input sensor data from the classified context data; storing only rules, which satisfy the filtered fact data and constraints, in an working memory; and inferring a service context by reasoning the stored fact data and rules. The method receives input sensor data, associated with a subject, continuously monitored and serviced by indoor sensors, performs a reasoning based upon the input sensor data, in order to be aware of the present contexts of the subject and also provide, in real-time, a service suitable for the present contexts, thereby promoting the convenience of life.