Abstract: Provided are a method of producing a polymer dispersed liquid crystal device with a cooling plate and a polymer dispersed liquid crystal device using the same. According to the producing method of the invention using the cooling plate capable of effectively removing heat with a simple method, it is possible to improve driving voltage characteristics and decrease a production cost of the polymer dispersed liquid crystal device.

Abstract: Disclosed is a silicon-carbon composite for a negative active material of a lithium secondary battery, including carbon nanofibers and silicon particles, wherein the silicon particles are coated with amorphous silica. In the silicon-carbon composite of the invention, silicon is provided in the form of a composite with carbon fibers and the surface of silicon particles is coated with amorphous silica, thereby reducing volume expansion upon lithium ion insertion and exhibiting superior ionic conductivity and electrical conductivity to thus maintain high capacity, and also, amorphous silica-coated silicon is positioned inside the carbon fibers having a one-dimensional structure, thus ensuring a large specific surface area and a stable composite structure.

Abstract: Disclosed is a method for selecting a source transmit antenna in a cooperative multiple-input and multiple-output (MIMO) communication system including a source node, a relay node and a destination node. The method includes determining a source transmit antenna selection metric such that a source-destination channel, a source-relay channel and a relay-destination channel are related to one another, and selecting a positive integer number of antennas such that the source transmit antenna selection metric is maximized.

Abstract: The present invention relates to an apparatus and method for processing a stage performance using digital characters. According to one embodiment of the present invention, an apparatus for processing a virtual video performance using a performance of an actor includes a motion input unit for receiving an input motion from the actor through a sensor attached to the body of the actor, a performance processor for creating a virtual space and reproducing a performance in real time according to a pre-stored scenario, a playable character (PC) played by the actor and acting based on the input motion, a non-playable character (NPC) acting independently without being controlled by the actor, an object, and a background being arranged and interacting with one another in the virtual space, and an output unit for generating a performance image from the performance reproduced by the performance processor and outputting the performance image to a display device.

Abstract: The present invention relates to a compound inhibiting HF-1 activity, a preparation method of the same, and a pharmaceutical composition comprising the same as an active ingredient. The compound of the present invention demonstrates anticancer activity not by non-selective cytotoxicity but by inhibiting the activity of HIF-1, the transcription factor playing an important role in cancer cell growth and metastasis. Accordingly, the compound or the pharmaceutically acceptable salt thereof according to the present invention inhibits HIF-1 activity, and therefore can be used as a therapeutic agent for solid tumors such as colon cancer, liver cancer, stomach cancer and breast cancer. In addition, the compound or the pharmaceutically acceptable salt thereof according to the present invention can be used as an active ingredient for a therapeutic agent for diabetic retinopathy or arthritis which may become worse when hypoxia-induced VEGF expression by HIF-1 increases.

Abstract: Provided is an apparatus for analyzing an electroluminescence sample, which comprises: a pulse generator for applying a pulse driving signal to the electroluminescence sample; an electroluminescence (EL) detector for receiving electroluminescence which is emitted from the electroluminescence sample according to the application of the pulse driving signal, thereby acquiring a light-receiving signal; a temperature controller for varying the temperature of the electroluminescence sample; and an electroluminescence transient spectroscopy (ELTS) analysis unit for analyzing a change in a time division section of the light-receiving signal delayed depending on a change of the temperature of the electroluminescence sample, and acquiring information on a defect-type charge trap which exists in the electroluminescence sample.

Abstract: The present invention relates to specific markers capable of detecting the development of colorectal cancer and the colorectal cancer inhibitory effect of SeMet (selenomethionine) having a chemopreventive effect against colorectal cancer. When the expressions of the biomarkers according to the present invention are measured and the expression levels thereof are analyzed in combination, whether SeMet (selenomethionine) is to be administered to prevent colorectal cancer can be determined and the development of colorectal cancer and the inhibitory effect of SeMet (selenomethionine) against the development of colorectal cancer can be monitored. Thus, these markers can be effectively used to observe the colorectal cancer inhibitory effect of SeMet (selenomethionine) and the prognosis of colorectal cancer resulting from the intake of SeMet (selenomethionine).

Abstract: The present invention relates to a thermoelectric conversion device using a solvating material, the device comprising: a cell with a closed structure, comprising a metal ammonia or metal amine compound as a solvating material; a polarization or porous separation membrane; and a heating unit, which prevents the outflow of the solvating material and thus maintains the solvating material in a reversible state.

Abstract: Provided are a laser diode using zinc oxide nanorods and a manufacturing method thereof. The laser diode using zinc oxide nanorods according to one embodiment of the present disclosure includes: a wafer; an electrode layer formed on the wafer; a nanorod layer including a plurality of n-doped zinc oxide nanorods grown on the electrode layer; and a p-doped single crystal semiconductor layer that is physically in contact with the ends of the zinc oxide nanorods.

Abstract: The present invention relates to a method for differentiation of mesenchymal stem cells. More specifically, the invention relates to a method for differentiating mesenchymal stem cells to neural cells by treating the mesenchymal stem cells with low-frequency sound waves. The differentiation method of the present invention can induce differentiation even with low-cost media rather than induced neural differentiation mediums which are expensive due to addition of growth factors, and the neural cells differentiated according to the present invention may be useful for treatment of neurological diseases.

Abstract: Provided is a medical headlamp including a main body put on a head, a driving unit installed and connected to one side of the main body and to provide a driving force, a location adjustment unit installed and connected to one side of the driving unit, a lamp unit installed and connected to one side of the location adjustment unit to move along with a movement of the location adjustment unit, and irradiate light onto one side of a front end thereof, a capturing unit installed and connected to one side of the main body and to capture eye locations, a control unit installed and connected to the driving unit and the capturing unit to analyze an image captured by the capturing unit, calculate the eye locations, and operate the driving unit according to the calculated eye calculation, and a power supply unit installed and connected to the control unit, the driving unit, and the lamp unit and to apply a current thereto.

Abstract: A medical anastomosis apparatus is provided. The medical anastomosis apparatus includes a cylindrical body which has a hollow portion and extends in a longitudinal direction, a pressing rod which is provided inside of the hollow portion of the body to translate along the hollow portion, a knob which is coupled to the pressing rod to provide a driving force to translate the pressing rod, a guide member which is inserted into one end of the body and simultaneously coupled to expose a portion of the body and has a pressing unit formed therein to move radially upon translation of the pressing rod, and a staple cartridge which is inserted around an outer circumferential surface of the guide member and then coupled to the body and has built-in staple clips that protrude outward upon movement of the pressing unit.

Abstract: A clock and data recovery circuit is disclosed. The clock and data recovery circuit in accordance with an embodiment of the present invention uses a hybrid phase detector that is constituted by including a linear phase detector and a binary phase detector. Since the clock and data recovery circuit basically is constituted with the linear phase detector, a charge pump, a loop filter, a voltage controlled oscillator and a D flip flop to recover clock and data, a phase detector gain is irrelevant to the jitter of received data and recovered clock, and it is possible to make a fine adjustment of the size of up/down currents of the charge pump using the binary phase detector and a charge pump controller, thereby compensating a phase offset between the received data and the recovered clock.

Abstract: A silicon nanowire including metal nanoclusters formed on a surface thereof at a high density. The metal nanocluster improves electrical and optical characteristics of the silicon nanowire, and thus can be usefully used in various electrical devices such as a lithium battery, a solar cell, a bio sensor, a memory device, or the like.

Abstract: Disclosed is a method of preparing spinel lithium titanium oxide nanofibers for a negative electrode of a lithium secondary battery, including (S1) mixing an organic material selected from the group consisting of polyvinylpyrrolidone, polymethylmethacrylate, polyethylene, polyethylene oxide and polyvinyl alcohol, a lithium precursor, and a titanium precursor with a solvent, thus preparing a mixture solution, (S2) electrospinning the mixture solution, thus preparing composite nanofibers, and (S3) heat-treating the composite nanofibers, thus removing the organic material.

Abstract: A silicon nanowire includes metal nanoclusters formed on a surface thereof at a high density. The metal nanoclusters improve electrical and optical characteristics of the silicon nanowire, and thus can be usefully used in various electrical devices such as a lithium battery, a solar cell, a bio sensor, a memory device, or the like.

Abstract: The present invention relates to a method for differentiation of mesenchymal stem cells or dental pulp stem cells. More specifically, the invention relates to a method for differentiating stem cells to neural cells by applying mesenchymal stem cells or dental pulp stem cells with a low-frequency electromagnetic field. The differentiation method according to the present invention can induce differentiation even with low-cost mediums rather than induced neural differentiation mediums which are expensive due to addition of growth factors, and the neural cells differentiated according to the present invention may be useful for treatment of neurological brain diseases.

Abstract: A method of tracking a position of an eye is provided. The method of tracking a position of an eye includes converting an obtained image into a binary number image, classifying the corner of the eye, maximum and minimum values of a pupil of the eye, and extracting a feature point from the binary number image on which the binarization step is completed, calculating a distance and inclination between the corner and the pupil of the eye using the feature point extracted through the feature point extraction step, and determining a gaze direction of the eye based on the distance and inclination calculated through the distance and inclination calculation step.

Abstract: Disclosed is a silicon-carbon composite for a negative active material of a lithium secondary battery, including carbon nanofibers and silicon particles, wherein the silicon particles are coated with amorphous silica. In the silicon-carbon composite of the invention, silicon is provided in the form of a composite with carbon fibers and the surface of silicon particles is coated with amorphous silica, thereby reducing volume expansion upon lithium ion insertion and exhibiting superior ionic conductivity and electrical conductivity to thus maintain high capacity, and also, amorphous silica-coated silicon is positioned inside the carbon fibers having a one-dimensional structure, thus ensuring a large specific surface area and a stable composite structure.