Abstract: The present disclosure relates to a citrate synthase variant, a microorganism comprising the variant, and a method for producing L-amino acids using the microorganism.

Abstract: A method of extending message nodes of an Open Mobile Alliance (OMA)-Device Management (DM) protocol, which is performed by a server to improve efficiency of a vehicle over-the air (OTA) update, may comprise: receiving a package including vehicle device information (DevInfo) from a client of a vehicle; and checking an update state of software (SW) installed on the client on the basis of information having a field for defining information on a vehicle registration district, a field for defining information on a production year of the vehicle, and an SW field for defining an SW expansion which are included in the DevInfo.

Abstract: Provided are a compound of Formula 7 improving the luminous efficiency, stability and life span of an organic electronic element employing the compound, the organic electronic element, and an electronic device thereof.

Abstract: An organic electric element includes a hole transport band layer which includes compound represented by Formula 1 and an electron transport band layer includes compound represented by Formula 2. The driving voltage of an organic electric element including the organic electric element can be lowered and the luminous efficiency and lifespan can be improved.

Abstract: Disclosed is a user authentication-based packet classification method and apparatus for providing differentiated security services in a ship network. A user authentication-based packet classification method includes receiving an authorization code request message from a user terminal including a client, authenticating and authorizing a user of the client based on the authorization code request message, transmitting an authorization code response message to the user terminal in response to the authorization code request message, receiving an access token request message from the user terminal based on the authorization code response message, and transmitting an access token response message including an access token to the user terminal in response to the access token request message.

Abstract: An organic electric element according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode. The organic material layer may include a plurality of light-emitting auxiliary layers and the LUMO/HOMO energy levels of the plurality of light-emitting auxiliary layers are limited to specific conditions in relation to the neighboring organic material layers, thereby the driving voltage, the luminous efficiency and the lifetime of the organic electric element can be improved.

Abstract: An optical film for a display device, includes: a first refractive layer having an upper surface and a lower surface including first projections and second projections extending away from the lower surface in a first direction, the second projections having different heights than the first projections, the first projections having lateral sides with different angles of inclination that decrease in the first direction; and a second refractive layer disposed directly on the upper surface of the first refractive layer, the second refractive layer having a refractive index different from that of the first refractive layer.

Abstract: The present disclosure is to provide a method capable of producing an organic acid in high yield from an acetic acid strain using synthesis gas as a substrate. According to the present disclosure, the productivity of metabolites with C2 to C6 carbon atoms derived from synthesis gas and the selectivity of hexanoic acid production among metabolites can be improved through a first fermentation step of simultaneously providing a substrate comprising synthesis gas and sugar; and a second fermentation step of semi-mixotrophic fermentation of providing only the substrate comprising the synthesis gas. Therefore, the disclosure can contribute to sustainable chemical production using synthesis gas.

Abstract: A method of measuring an internal resistance of a battery cell and a device therefor are provided. A battery management device includes one or more passive balancing circuits provided for each of one or more battery cells, wherein each passive balancing circuit includes a balancing resistor and a switching element for selectively discharging each battery cell through the balancing resistor, and a control unit configured to determine an alternating current internal resistance of a target battery cell that is subject to cell balancing based on a voltage of the target battery cell before and after a target switching element that is the switching element corresponding to the target battery cell is turned on, and determine a direct current internal resistance of the target battery cell based on an amount of change in the voltage of the target battery cell during a time period after a predetermined time elapses from a time point when the target switching element is turned on.

Abstract: The present invention relates to an antigen-binding molecule comprising a heavy chain variable region comprising a heavy-chain complementarity-determining region 1 (HCDR1) comprising an amino acid sequence represented by Sequence No. 1, an HCDR2 comprising an amino acid sequence represented by Sequence No. 2, and an HCDR3 comprising an amino acid sequence represented by Sequence No. 3; a light-chain variable region comprising a light-chain complementarity-determining region 1 (LCDR1) comprising an amino acid sequence represented by Sequence No. 4, an LCDR2 comprising an amino acid sequence represented by Sequence No. 5, and an LCDR3 comprising an amino acid sequence represented by Sequence No. 6; wherein the antigen-binding molecule is a T cell receptor (TCR); and to a cell line expressing the same.

Abstract: A method for manufacturing a light modulation device is provided. The light modulation device is capable of removing defects such as orientation irregularities. The light modulation device further improves the orientation state in the light modulation device that adjusts orientation of a liquid crystal compound or the like with a liquid crystal alignment film and a pressure-sensitive adhesive layer or adhesive layer.

Abstract: A semiconductor memory device is provided which is capable of adaptively controlling bias and a method of operating the same. The semiconductor memory device includes: a memory cell area including a plurality of first transistors to which a first bias voltage is applied; and a peripheral circuit area which overlaps the memory cell area in a first direction and includes a plurality of second transistors to which a second bias voltage controlled differently from the first bias voltage is applied.

Abstract: A Merkle tree-based data management method may comprise: aligning data into two-dimensional square matrix; calculating a hash value of each node of the two-dimensional square matrix; calculating hash values of each row of the two-dimensional square matrix; generating an additional column with nodes having the hash values of each row; calculating hash values of each column of the two-dimensional square matrix; generating an additional row with nodes having hash values of each column; and calculating a Merkle root by concatenating the hash values of the additional column and the hash values of the additional row.

Abstract: Provided are a vaccine composition for Varicella Zoster virus (VZV) including a glycoprotein E (gE) antigen of VZV and monophosphoryl lipid A (MLA), and a method of using the same. The vaccine composition according to an aspect of the invention may significantly improve a production yield by including the gE antigen having an optimized signal peptide sequence, may enhance immunogenicity by including MLA, and may further enhance the immunogenicity enhanced by MLA by further adding saponin such as QS-21, and may be prepared in a form of CoPoP liposomes so that vaccine antigens may be presented on the surface of the liposomes for better absorption by antigen-presenting cells, and vaccine efficacy may be maximized by inclusion of the vaccine antigens and immune adjuvants in a formulation. Therefore, the vaccine composition may be useful as an alternative to current vaccines in the art for prevention or treatment of VZV infection.

Abstract: A cooking apparatus and a control method thereof, and more particularly, technology for determining the type of vessel placed in the cooking apparatus and controlling power in response to a state change of the placed vessel or a temperature change of a coil. In accordance with one aspect, a cooking apparatus includes: a coil on which a vessel is placed, configured to form a magnetic field upon application of a current; a detection sensor configured to detect a magnitude of an input current applied differently according to a type of the vessel and a magnitude of an input voltage of the cooking apparatus; and a controller configured to determine a type of the placed vessel according to a power value calculated based on the detected input current and input voltage, and to determine a heating mode of the cooking apparatus based on the determined type of vessel.

Abstract: A multilayer capacitor includes a body including dielectric layers and internal electrodes, and external electrodes, wherein the body has first and second surfaces opposing each other in a first direction, third and fourth surfaces opposing each other in a second direction, and fifth and sixth surfaces opposing each other in a third direction perpendicular to the first and second directions. A length of a portion of the plurality of internal electrodes in the third direction in an intermediate region of the body in the first direction is greater than a length of the first surface or the second surface of the body in the third direction. The plurality of internal electrodes have a bottleneck structure between the intermediate region and at least one of the first and second surfaces, and wherein the bottleneck structure has a shape recessed into an inner portion of the body.

Abstract: Provided is an alloy steel manufacturing method, the method including: preparing a manganese-containing first molten ferroalloy; preparing a chromium-containing second molten alloy; preparing molten steel; mixing the first molten ferroalloy and the second molten ferroalloy to manufacture third molten ferroalloy; and mix pouring the third molten ferroalloy and the molten steel to manufacture an alloy steel, wherein the phosphorous concentration in the molten steel may efficiently be controlled by reducing the converter end point temperature of the molten steel to improve a phosphorous control capacity during converter refining.

Abstract: A monolithic solar cell includes a first solar cell that is a sequential stack of an electrode, a silicon substrate, and an n-type emitter layer; a recombination layer disposed on the n-type emitter layer; an interfacial layer that is a double layer constituted of PEDOT:PSS and poly-TPD or PEDOT:PSS and PCDTBT, and that is disposed on the recombination layer; and a second solar cell that includes a p-type hole selective layer and a perovskite layer disposed on the p-type hole selective layer, the a p-type hole selective layer contacting and being integrated onto the interfacial layer of the first solar cell in a heat treatment during which the interfacial layer is partially decomposed, wherein the presence of the interfacial layer prevents a reduction in photoelectric conversion efficiency that occurs if the first solar cell and the second solar cell are combined without the presence of the interfacial layer.

Abstract: The present application relates to a composition for improving skin condition, comprising Lactobacillus plantarum CJLP55. The composition of the present application suppresses sebum, reduces oil or harmful bacteria in the skin, and has a moisturizing effect, and as such, has excellent effects in improving skin condition and can be used to prevent or ameliorate skin diseases such as acne and dermatitis.