Abstract: An apparatus and method for channel estimation and CP reconstruction in an OFDM-STBC mobile communication system are provided. An ISI canceller cancels ISI signal components from first and second received symbol sequences. A cyclicity restorer cancels ICI signal components from the ISI-cancelled first received symbol sequence and the ISI-cancelled second received symbol sequence. A recoverer acquires the recovered sequence estimates of the ICI-cancelled first received symbol sequence and the ICI-cancelled second received symbol sequence by decoding. The ICI cancellation of the ISI-cancelled first and second received symbol sequences and the ISI cancellation of the second received symbol sequence are iterated a predetermined number of times.

Abstract: The present disclosure provides a cucurbituril derivative-bonded solid substrate in which cucurbituril derivatives of Formula 1 are covalently bonded to a modified solid substrate of Formula 2. The cucurbituril derivative provides functional groups which can be used to link biomaterials to the substrate. Protein chips, gene chips, and sensors for biomaterial assays having the cucurbituril derivative-bonded solid substrate are also provided.

Abstract: The present disclosure provides a rotaxane compound that can be used to separate molecules within a linkage layer formed on a solid substrate of a biochip by a predetermined distance. The compound is represented by Formula 1, in which a compound of Formula 3 vertically passes through a cavity of cucurbituril or its derivative of Formula 2. It further provides gene chips, protein chips and sensors for biomaterial assays which use the rotaxane molecules to allow biomaterials to be immobilized on a linkage layer such that they are regularly spaced apart from each other by a predetermined distance.

Abstract: The present application describes peptides that stimulate arachidonic acid release in target cells. The application also discloses peptides that cause intracellular calcium release.

Abstract: The present invention relates to a gene regulating leaf longevity of plants and a method for regulating the longevity of plants using the same. More particularly, it relates to a ORE7 gene regulating leaf longevity of plants which has a nucleotide sequence represented by SEQ ID NO: 1, and to a method for regulating the longevity of plants, in which the ORE7 gene is introduced into the plants and overexpressed, thereby delaying senescence of the plants. Plants can be transformed with ORE7 gene according to the present invention, so that the longevity of the plants is extended, thereby improving productivity and storage efficiency of the plants. Furthermore, the ORE7 gene and an ORE7 protein expressed therefrom according to the present invention are useful for studies of senescence mechanisms, and for identification of senescence-associated genes or senescence inhibitory substances, in plants.

Abstract: An off-line feed rate scheduling method of a CNC machining process includes selecting a constraint variable and inputting a reference value related to the constraint variable; estimating a cutting configuration where a maximum constraint variable value (CVV) occurs through ME Z-map modeling; receiving the estimated cutting configuration and estimating a specific rotation angle (?s) where the maximum constraint variable value occurs through constraint variable modeling; calculating a feed rate that satisfies the reference value of the constraint variable at the estimated specific rotation angle; and applying the calculated feed rate to the NC code. Cutting force or machined surface error may be selected as a constraint variable depending on machining conditions.

Abstract: Disclosed are peptides having SEQ ID NOs: 1 to 24 that induce superoxide generation by human monocytes or neutrophils; that induce an intracellular calcium increase by human peripheral blood monocytes or neutrophils; binds to formyl peptide receptor or formyl peptide receptor-like 1; that induce chemotactic migration of human monocytes or neutrophils in vitro; that induce degranulation in formyl peptide receptor expressing cells or formyl peptide receptor-like 1 expressing cells; that stimulate extracellular signal regulated protein kinase phosphorylation via activation of formyl peptide receptor or formyl peptide receptor-like 1; or that stimulate Akt phosphorylation via activation of formyl peptide receptor or formyl peptide receptor-like 1.

Abstract: A multi-layer dielectric resonant device has a dielectric resonator and a microstrip line to be coupled to the dielectric resonator. The dielectric resonator includes a first dielectric layer, a second dielectric layer, a third dielectric layer, a metallic substrate and a metallic plate. The second dielectric layer is placed on the first dielectric layer and has a dielectric constant higher than that of the first dielectric layer. The third dielectric layer is placed on the second dielectric layer and has a dielectric constant lower than that of the second dielectric layer. The metallic substrate is placed in the center portion of the second dielectric constant layer to reduce the conductor loss of the dielectric resonator. The metallic plate constitutes the outer wall of the dielectric resonator.

Abstract: Disclosed is an ionic liquid-coated enzyme, wherein the ionic liquid is an organic salt which presents as a liquid phase at a temperature of about 150° C. or below. The ionic liquid-coated enzyme according to the present invention remarkably improves enzyme functions, such as enantioselectivity and stability, when the enzyme which may be lipase is coated with an ionic liquid. Further, even in the case of when the ionic liquid-coated enzyme is reused, the enantiomeric excess, enantioselectivity, and activity are not degenerated. The coated enzyme is usable as a catalyst for providing a chiral intermediate required in the synthesis of chiral pesticides, medicines, natural chemicals, and so on.

Abstract: Novel aminocyclopentadienyl ruthenium complex is useful as a catalyst in the racemization of a chiral compound.

Abstract: A capacitive motion sensor includes a primary plate including a primary pattern replicated periodically, a secondary plate including a plurality of pattern regions with an insulated region inserted there between, wherein each of the pattern regions has a secondary pattern replicated periodically, a signal source for sending a plate input signal to the primary plate, and a displacement measuring unit for receiving a plurality of plate output signals from the secondary plate to measure a displacement of a moving one of the plates with respect to the other one of the plates. The primary plate is arranged in parallel with the secondary plate in such a manner that the primary pattern is confronted with the secondary pattern and the pattern regions of the secondary plate are arranged in a two-dimensional array.

Abstract: The present invention relates to a vaccine enhancing the protective immunity to Hepatitis C virus using plasmid DNA and recombinant adenovirus, more particularly to a vaccine consisting of ?core-E1-E2 expressing DNA vaccine, nonstructural protein NS3 and NS4 expressing DNA vaccine, nonstructural protein NS5 expressing DNA vaccine and recombinant adenovirus vaccine, and method for administration of the vaccine by priming with the DNA vaccines described above and boosting with the recombinant adenovirus vaccine thereby enhancing the protective immunity to Hepatitis C virus.

Abstract: Disclosed is a multicarrier-based wireless communication system including a base station for providing a multiple access service to terminals which filter multitone transmitting signals through filters and transmit the filtered signals. A transmitter of the respective terminals includes a multiplexer for multiplexing an input signal and outputting the signal as a plurality of transmitting signals, at least one filter bank for filtering the plurality of transmitting signals, an inverse fast Fourier transformer for executing inverse fast Fourier transform of the filtered transmitting signals output from the filter bank, and a filter information generator for providing filter information to the filter bank. Since the transmitter of the present invention distinguishes users from each other by a filter and thus no synchronization is required between users, which causes a problem in an uplink of the multicarrier-based wireless communication system, system performance can be expected to be improved.

Abstract: Provided is a digital duty cycle correction circuit and method for a multi-phase clock, in which duty cycle correction information of an input clock signal is stored in a power save state of a system by adopting a digital correction method in a duty cycle correction method for a multi-phase clock and phase information of the input clock signal is held constant during duty cycle correction of the input clock signal by correcting duty cycles of the input clock signal by changing the falling edge of the clock without changing the rising edge of the input clock signal during duty cycle correction of the input clock signal, thereby correcting the multi-phase clock. To this end, the digital duty cycle correction circuit includes a clock delay means that takes the form of a shunt capacitor-inverter, a clock generation means including a clock rising edge generation circuit and a clock falling edge generation circuit, and a digital duty cycle detection means including integrators, a comparator, and a counter/register.

Abstract: The present invention relates to a method of mass fabricating a hyperboloid-drum element which is uniform in size and with the diameter of an active layer (active region or gain medium) ranging from tens of nm to less than a few ?m, and to an element fabricated thereby. According to the present invention, the fabrication method of the hyperboloid-drum element comprises forming an epitaxial layer which includes an n-type semiconductor joined with a p-type semiconductor on a substrate and an active region near a border region and a boundary between the n-type semiconductor and the p-type semiconductor; and etching the epitaxial layer into a shape of the hyperboloid-drum having the minimum diameter at the active region by an ion-beam etching method. The hyperboloid-drum element fabricated in accordance with the present invention has advantages of uniformity in size and good reproducibility.

Abstract: The present invention relates to a local exhaust ventilator which has a rotating swirler to make a swirl flow for increasing exhaust efficiency by expanding an exhaust region. Disclosed is a local exhaust ventilator with a simplified structure, wherein noise due to interference of turbulence is reduced and exhaust gas is removed at a wide area. The local exhaust ventilator includes a disk-shaped swirler rotatably mounted at an exhaust tube, a wing installed at the swirler perpendicular thereto to form a swirl flow, and a driving unit installed at the exhaust tube to rotate the swirler.

Abstract: A DC superconducting interference device (SQUID) utilizes intrinsic Josephson tunnel junctions formed naturally in stacks of high-Tc superconducting single crystals, where the double-side cleaving technique is used to define a ring-shaped high-Tc superconducting structure with two stacks of intrinsic Josephson junctions inserted in the ring.

Abstract: A 2?-deoxyuridine derivative of formula I is bioavailable and thermally stable and forms a gel in water at a low concentration; and, can be employed as a drug delivery vehicle:

Abstract: Provided are hydroxycucurbituril derivatives, their preparation methods and uses. The hydroxycucurbituril derivative is easy to further functionalize with enhanced solubility in common solvents, thereby providing wider applications.

Abstract: A linearized amplification apparatus includes a means for dividing an input signal into a main channel signal and a subsidiary channel signal, a PAR (Peak-to-Average power Ratio) adjustment block for reducing a PAR of the main channel signal to generate a sub-main signal having a reduced PAR compared to the PAR of the main channel signal, an error extraction block for extracting an error signal from the subsidiary channel signal and amplifying the error signal, the amplified error signal corresponding to distortion components in the sub-main signal, and a means for coupling the sub-main signal with the amplified error signal to generate an output signal having an increased PAR compared to the PAR of the sub-main signal.