Abstract: Provided is a biomimetic chip device. The biomimetic chip device includes a body, a main channel arranged in the body and extending in one direction, a plurality of culture chambers spaced apart from each other on the main channel, a first reservoir arranged at one end of the main channel and storing a first fluid, and a second reservoir arranged at the other end of the main channel and storing the first fluid, wherein the body is tilted about a first axis perpendicular to the one direction to allow the first fluid to flow between the first reservoir and the second reservoir.

Abstract: The present invention relates to a power generation apparatus, and more particularly to a power generation apparatus that generates power by dropping collected water. A power generation apparatus according to an embodiment of the present invention includes: a chamber having an accommodation space for accommodating water, and configured to accommodate water introduced through an intake pipe disposed on the bottom surface thereof; a pressure pump configured to discharge the air of the accommodation space out of the chamber through a discharge pipe provided on the ceiling surface of the chamber by generating pressure; a spray unit provided on the side surface of the chamber, and configured to spray water, introduced by the pressure pump and accommodated in the accommodation space, out of the chamber; and a power generation unit configured to generate power using the pressure of water sprayed by the spray unit.

Abstract: An image sensor is provided. The image sensor includes a substrate including a first side on which light is incident and a second side opposite the first side; a first separation pattern extending from the second side, the first separation pattern being interposed between unit pixels in the substrate of a light-receiving region and a light-shielding region provided around the light-receiving region; a second separation pattern extending from the first side and overlapping the first separation pattern, the second separation pattern being provided in the substrate of the light-receiving region; and a contact film electrically connected to the first separation pattern, the contact film being provided in the substrate of the light-shielding region. A contact trench which extends from the first side is formed in the light-shielding region of the substrate and exposes the first separation pattern, and the contact film fills at least a part of the contact trench.

Abstract: Disclosed are a non-volatile memory device and a method of operating the non-volatile memory device. A non-volatile memory device in which m logical pages are stored in a single physical page includes: a plurality of registers configured to be included in a flash translation layer (FTL) and to store at least part of the data of a write command received from a file system; and a controller configured to control operations of the plurality of registers based on the write command; wherein each of the plurality of registers is further configured to have a storage space associated with the size of the m logical pages; and wherein the controller is further configured to program the data of the write command into the non-volatile memory device and to store the data of the write command in the plurality of registers.

Abstract: The present disclosure relates to a catalyst for electrochemical synthesis of ammonia, which includes a metal sulfide, a method for preparing the same and a method for regenerating the same.

Abstract: A memory device includes a bay comprises a plurality of word lines, a plurality of bit lines, and a memory cell connected to a first word line of the plurality of word lines and a first bit line of the plurality of bit lines, a row decoder configured to bias at least one word line of the word lines adjacent to the first word line and float remaining non-adjacent word lines of the plurality of word lines not adjacent to the first word line, in an access operation associated with the memory cell, and a column decoder configured to bias at least one bit line of the bit lines adjacent to the first bit line and float remaining non-adjacent bit lines of the plurality of bit lines not adjacent to the first bit line, in the access operation.

Abstract: The present invention relates to an interleukin-2 analogue, which has altered binding affinity for interleukin-2 alpha receptor and interleukin-2 beta receptor, compared to the wild type.

Abstract: The present invention relates to a method of preparing vegan kimchi, which includes a first salting step of first salting napa cabbage using salting water; a second salting step of second salting the first salted napa cabbage using a second salting mixture; and a condiment mixing step of mixing the second salted napa cabbage with vegan kimchi condiment. The prepared vegan kimchi retains the characteristics and taste of general kimchi, has crunchy characteristics since the vegan kimchi is salted two times using salty and sweet ingredients during the salting process, has excellent preservability since the vegan kimchi has a slightly slower growth rate of lactobacillus than general kimchi containing animal ingredients, and thus has an effect of being easily commercialized and sold.

Abstract: A nonvolatile memory device including: a first semiconductor layer including word lines, bit lines, first and second upper substrates adjacent to each other and a memory cell array, wherein the memory cell array includes a first vertical structure on the first upper substrate and a second vertical structure on the second upper substrate; and a second semiconductor layer under the first semiconductor layer, wherein the second semiconductor layer includes a lower substrate that includes row decoder and page buffer circuits, wherein the first vertical structure includes a first via area in which a first through-hole via is provided, wherein the first through-hole via passes through the first vertical structure and connects a first bit line and a first page buffer circuit, and the second vertical structure includes a first partial block, wherein the first partial block overlaps the first via area.

Abstract: Disclosed is an antioxidant for a polymer electrolyte membrane of a fuel cell including cerium hydrogen phosphate (CeHPO4). The presence of cerium hydrogen phosphate in the antioxidant enhances the dissolution stability of cerium and improves the ability to capture water, leading to an increase in proton conductivity. In addition, the cerium hydrogen phosphate has a crystal structure composed of smaller cerium particles. This crystal structure greatly improves the ability of the antioxidant to prevent oxidation of the electrolyte membrane. Also disclosed are an electrolyte membrane including the antioxidant, a fuel cell including the electrolyte membrane, a method for preparing the antioxidant, a method for producing the electrolyte membrane, and a method for fabricating the fuel cell.

Abstract: The preset invention relates to a high resolution mass spectrometry based novel bioinformatics platform for the identification of glycation proteins and advanced glycation end-product. Particularly, the bioinformatics platform of the present invention facilitates an efficient and accurate investigation of quantitative changes of glycation proteins and advanced glycation end-products which are included in various types of samples but had not been informed yet, and uses a high resolution mass spectrometry, and thereby can be effectively used for the prediction or diagnosis of a disease including cancer by examining a disease marker in a sample.

Abstract: Disclosed are a perovskite compound, a method for producing the perovskite compound, a catalyst for a fuel cell including the perovskite compound, and a method for producing the catalyst. The perovskite compound overcomes the low stability of palladium due to its perovskite structural properties. Therefore, the perovskite compound can be used as a catalyst material for a fuel cell. In addition, the use of palladium in the catalyst instead of expensive platinum leads to an improvement in the price competitiveness of fuel cells. The catalyst is highly durable and catalytically active due to its perovskite structure.

Abstract: A nonvolatile memory device including: a first semiconductor layer comprising a plurality of first word lines extending in a first direction, a first upper substrate and a first memory cell array, a second semiconductor layer including a plurality of second word lines extending in the first direction, second and third upper substrates adjacent to each other in the first direction and a second memory cell array, wherein the second memory cell array includes a first vertical structure on the first upper substrate and a second vertical structure on the second upper substrate, wherein the first semiconductor layer and the second semiconductor layer share a plurality of bit lines extending in a second direction, and a third semiconductor layer under the second semiconductor layer in a third direction perpendicular to the first and second directions, wherein the third semiconductor layer includes a lower substrate that includes a plurality of row decoder circuits and a plurality of page buffer circuits, wherein the

Abstract: A rubber composition having excellent abrasion resistance and improved viscoelasticity properties, and a tire manufactured using the same are disclosed herein. In some embodiments, a rubber composition includes a first synthetic rubber and a second synthetic rubber, and has an interaction parameter (?blend) defined by Mathematical Formula 1 at room temperature is 2.0×10?3 or more. The first synthetic rubber is a solution-polymerized modified conjugated diene-based rubber which has a 1,2-vinyl bond content of 50 wt % or more and includes a functional group bonded to at least one terminal, and the second synthetic rubber is a conjugated diene-based rubber which has a 1,2-vinyl bond content of less than 50 wt %.

Abstract: The present invention may provide an asymmetric hydrogenation catalyst capable of resolving enantiomers with excellent enantioselectivity from a carbon-carbon double bond-containing compound. The catalyst according to one embodiment of the present invention includes: an iridium cation; and a ligand bonded to the iridium cation.

Abstract: A micro robot that is moveable in a body includes first quantum dots.

Abstract: Provided is a method for using selective non-catalytic reduction to reduce nitrogen dioxide in exhaust gas generated during an olefin production process. Nitrogen dioxide generated in a catalyst regeneration step of a continuous PDH process can be efficiently removed by the method of the present disclosure. Ultimately, the generation of visible fumes can be prevented through the removal of nitrogen dioxide.

Abstract: Provided are a semiconductor device using, for example, an epoxy molding compound (EMC) wafer support system and a fabricating method thereof, which can, for example, adjust a thickness of the overall package in a final stage of completing the device while shortening a fabricating process and considerably reducing the fabrication cost. An example semiconductor device may comprise a first semiconductor die that comprises a bond pad and a through silicon via (TSV) connected to the bond pad; an interposer comprising a redistribution layer connected to the bond pad or the TSV and formed on the first semiconductor die, a second semiconductor die connected to the redistribution layer of the interposer and positioned on the interposer; an encapsulation unit encapsulating the second semiconductor die, and a solder ball connected to the bond pad or the TSV of the first semiconductor die.

Abstract: The present invention relates to a bioinformation processing analysis method for the identification and quantification of O-linked glycopeptide using high resolution mass spectrum. Particularly, according to the bioinformation processing analysis method of the present invention, the quantitative changes of O-linked glycopeptide containing non-informed sugar chains included in various samples can be efficiently and accurately analyzed; the prediction or diagnosis of disease including cancer can be made easy by using a high resolution mass spectrometer; or the investigation of O-linked glycopeptide structure of a therapeutic glycoprotein can be efficiently achieved.

Abstract: Disclosed are a metal single-atom catalyst and a method for preparing the same. The method uses a minimal amount of chemicals and is thus environmentally friendly compared to conventional chemical and/or physical methods. In addition, the method enables the preparation of a single-atom catalyst in a simple and economical manner without the need for further treatment such as acid treatment or heat treatment. Furthermore, the method is universally applicable to the preparation of single-atom catalysts irrespective of the kinds of metals and supports, unlike conventional methods that suffer from very limited choices of metal materials and supports. Therefore, the method can be widely utilized to prepare various types of metal single-atom catalysts. All metal atoms in the metal single-atom catalyst can participate in catalytic reactions. This optimal atom utilization achieves maximum reactivity per unit mass and can minimize the amount of the metal used, which is very economical.