A screening method of a regulating agent for the signal transduction in BLT2 as a receptor of leukotriene B4 is provided to reduce the screening costs by eliminating a cell culture step by using purified protein and screening devices, so that candidate new drug substances for treating inflammatory disease are screened rapidly and inexpensively. A screening method of a regulating agent for the sign...

An auto-gain control circuit is provided to process an infrared signal stably by reducing a gain of a power noise and increasing a gain in a data section. An auto-gain control circuit includes a first comparison unit(200), a second comparison unit(220), a delay circuit unit(240), and a charging/discharging unit(260). The first comparison unit performs a charging/discharging operation for a first c...

A plasma display panel is provided to lower panel reflectivity with a shading effect by relatively expanding an interval between a first black layer or a second black layer and a barrier rib. A first electrode(102) and a second electrode(103) are arranged in parallel on a front substrate(101). A first black layer(106) is arranged between the front substrate and the first electrode. The first black...

A device and a method for recognizing an iris with minimized light noise are provided to increase an iris recognition rate by selecting an iris image having the smallest noise among a plurality of iris images, which are captured by turning on/off a plurality of lighting elements installed to different positions around a camera, and comparing the selected iris image with the registered iris image. ...

A method for producing a silicon wafer that has a carbon concentration of 5x1015 to 5x1017 atoms/cm3, interstitial oxygen concentration of 6.5x1017 to 13.5x1017 atoms/cm3, and a resistivity of 100 Omegacm or more.

An apparatus for measuring hydrodynamic parameters, especially for Augmentation Index (Aix) and/or Ejection Duration (ED), by non-invasive, cuff based occlusive, blood pressure measurement, which apparatus comprises occlusive, oscillometric automatic blood pressure meter and units. There can also be a method for non-invasive measurement of hemodynamic characteristics, especially AN and/or ED with ...

A method for constructing a MAP in Orthogonal Frequency Division Multiple Access (OFDMA)-based wireless communication system is provided. The method includes generating a first sub-MAP group by grouping at least one Connection IDentifier (CID) whose Modulation and Coding Scheme (MCS) level is greater than or equal to a reference MCS level, among received CIDs; generating a second sub-MAP group by ...

An apparatus and a method for channel estimation in an MIMO(Multi Input Multi Output) system supporting OFDM/OFDMA(Orthogonal Frequency Division Multiplexing/Orthogonal Frequency Division Multiple Access) are provided to estimate and compensate a time offset and/or a carrier wave frequency offset by using a pilot pattern of an AMC(Adaptive Modulation & Coding) mode, thereby estimating a channel mo...

An apparatus and a method for channel estimation in an FUSC(Full Usage Of Subchannels) mode in an MIMO(Multi Input Multi Output) wireless communication system supporting OFDM/OFDMA(Orthogonal Frequency Division Multiplexing/Orthogonal Frequency Division Multiple Access) are provided to estimate and compensate a time offset and/or a carrier wave frequency offset by using a pattern which is varied b...

A plasma processing apparatus for a semiconductor is provided to prevent a cooling gas drain and to easily control temperature of a wafer by installing a sealing member on a chuck, a tray, and a wafer receiving groove. A chuck(100) is installed on a chamber in a plasma processing apparatus. The chuck has a plurality of first cooling gas passages toward an upper direction thereof. A tray(200) is in...

A structure of elastic chopsticks is provided to make a chopstick lower body extended or contracted inside a chopstick upper body, to be carried and stored conveniently and to pick up food easily. A chopstick lower body(20) is installed on a chopstick upper body(10). An upper end cover(30) is coupled to the opening of the upper part of the chopstick upper body. The chopstick upper body has a hollo...

Architecture of reactive layer software including sensing, actuation and real-time actions for intelligent robots is provided to acquire status data periodically or non-periodically and judge the acquired status data immediately to achieve real-time reactive actions. A reactive layer adopts real-time controllable architecture for reactive components which requires rapid and predictable response ch...

A separator for cooling an MCFC has a cooling gas flow path provided in the separator, a cooling anode gas or a cooling cathode gas flowing through the cooling gas flow path, the cooling anode gas or the cooling cathode gas having a temperature lower than that of a general anode gas or a general cathode gas which is supplied to an anode or a cathode of the MCFC.

A surface plasmon optical waveguide having double metal layers is provided to reduce propagation loss by adjusting effectively propagation characteristics. A first dielectric layer(2) is positioned on a substrate(1). A metallic thin film(3) is positioned on the first dielectric layer. A second dielectric layer(4) is positioned on the metallic thin film. A metallic band(5) is positioned on the seco...