Abstract: A mask assembly includes: a mask frame; a mask supported by the mask frame, the mask including a plurality of pattern holes; and a magnetic part disposed on one surface of the mask. The magnetic part provides a magnetic force between the mask and a target substrate and improves an adhesion between the mask and the target substrate to prevent deposition defects.

Abstract: A selective catalytic reduction (SCR) system, comprising a box body, a mixer, a baffle and a carrier, the mixer, the baffle and the carrier being sequentially arranged inside the box body in an airflow direction inside the box body, the baffle being provided with a plurality of through holes, and the distribution density of the through holes and/or the hole area of the through holes being negatively correlated with a distribution uniformity index of NH3 at the baffle. The configuration of the distribution density and the hole area of the through holes can improve the mixing uniformity of ammonia gas, so that a reaction effect of a catalyst and a mixed gas in the carrier is enhanced. The settings of the distribution density and the hole area of the through holes can improve the mixing uniformity of an ammonia gas.

Abstract: An eco-friendly quarantine composition has a function of killing phospholipid enveloped viruses, The eco-friendly quarantine composition includes: 10 to 40 wt. % of polyoxyethylene lauryl ether, 0.01 to 10 wt. % of polyoxyethylene 2-ethylhexyl ether, 0.01 to 10 wt. % of polyoxyethylene polyoxypropylene alkyl ether, and a balance of solvent, based on the total 100 wt. % of the composition. The eco-friendly quarantine composition may have 100% of SARS-CoV-2 virus removal rate in 1 minute and an effect of killing 100% of highly pathogenic avian influenza virus in 1 to 10 minutes. The composition has low cytotoxicity such that IC50 value (%) for human epithelial keratinocyte cells (HaCaT), human bronchial epithelial cells (BEAS-2B), and human monocyte cells (THP-1) is in a range of 0.003 to 0.0045, and effects of having antibacterial activity against non-pathogenic strains, and pathogenic strains.

Abstract: The present invention relates to a composition for improving memory, improving cognition, preventing or treating cerebral neurological disease, comprising porcine brain enzyme hydrolysate. The composition can exhibit neuroprotective activity, brain-derived neurotrophic factor (BDNF) production activity, acetylcholinesterase inhibitory activity and reactive oxygen species (ROS) inhibitory activity.

Abstract: The present invention relates to a composition for promoting myogenesis, containing, as an active ingredient, a processed ginseng extract in which a trace amount of a ginsenoside ingredient is increased. It has been ascertained that the processed ginseng extract promotes the differentiation of myoblasts into muscle and inhibits muscle atrophy caused by myostatin, which is a myogenesis inhibitory factor, and thus it is expected that a composition for preventing or treating muscle disorder-related diseases, having excellent effects, can be developed.

Abstract: The present invention relates to a nanosuspension formulation suitable for a progerinin drug, which is insoluble, and a preparation method therefor, wherein the progerinin nanosuspension is a vehicle composition for improving dispersive stability of a progerinin drug(a), which is insoluble, and employs hydroxypropylmethyl cellulose (HPMC)(b) or hydroxypropyl cellulose (HPC)(b?), TPGS(c) or sodium dioctyl succinate (DOSS)(c?), and potassium sorbate(d), and a mixture thereof was subjected to wet-type ball milling in a Dyno-Mill chamber to prepare a white nanosuspension containing a progerinin drug with an average particle diameter of 100 nm to 300 nm.

Abstract: Provided is an integrated optical system-based optical current sensor system comprising a light source generating reference light for current or magnetic field sensing, a polarizer for polarizing the reference light, a phase modulator for phase-modulating the polarized light into a predetermined reference signal, and a Faraday rotation reflector for reflecting the light propagated through an optical path at the end of the optical fiber, wherein the invention further comprises a plurality of pig-tailed optical fiber blocks in which the optical fibers are accommodated therein, and an integrated optical system composed of a plurality of optical components optically bonded to the pig-tailed blocks at interfaces with the pig-tailed blocks.

Abstract: Provided is a special optical fiber for measuring a 3D curved shape, and a system for measuring the 3D curved shape by using a special optical fiber. The special optical fiber comprises: an optical fiber core for transmitting an optical signal; an inner cladding covering the optical fiber core; and an outer cladding covering the inner cladding. In particular, the refractive index (n1) of the optical fiber core, the refractive index (n2) of the inner cladding, and the refractive index (n3) of the outer cladding are set in a relationship of n1?n3>n2. The inner cladding covering the optical fiber core has a cut portion in the longitudinal direction. The optical fiber core is exposed through the cut portion. In addition, the cut portion is filled with a material having the same refractive index as the optical fiber core or the outer cladding.

Abstract: Provided is an optical detection device for sensing environmental changes inside and outside a fiber optic sensor probe by detecting polarization and optical power differences between a plurality of input signals, the optical detection device being characterized by comprising: a plurality of optical fiber pigtail blocks internally accommodated with a portion of the optical fibers; an integrated optical system composed of a plurality of optical components optically bonded to the optical fiber pigtail blocks at interfaces with the bulk optical components; and a balanced optical detection component for comparing components of a plurality of polarized lights received from the integrated optical system.

Abstract: The present invention relates to a method for producing botulinum toxin in various fragments to then be reassembled, for safely producing same. In the present invention, devised is a method in which: botulinum toxin is produced in fragments by cleaving light and heavy chains thereof into two or three pieces, respectively, and then combined as a full-length toxin, thereby allowing high complexity in production, due to toxicity, as well as low safety and economic feasibility, to be overcome; production of water-soluble botulinum toxin is enabled by using bacteria, thereby markedly shortening the production time as compared to existing production methods; and conjugation of the produced fragments with other proteins and nanoparticles is also enabled, thereby increasing the pharmaceutical extensibility of the toxin.

Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound can be a bipolar compound having a p-type moiety and an n-type moiety and has high energy level and proper energy bandgap for an emissive layer of the OLED. As the organic compound is applied into the emissive layer, the OLED can maximize its luminous properties as holes and electrons are recombined uniformly over the whole area in an emitting material layer (EML).

Abstract: An electroluminescent display apparatus can include a display panel including a first active region configured to display first image data and a second active region configured to display second image data. The apparatus can further include a first memory configured to store a first main compensation value and a first boundary compensation value, corresponding to first pixels in the first active region, and a second memory configured to store a second main compensation value and a second boundary compensation value, corresponding to second pixels in the second active region. The apparatus can further include a first timing controller configured to correct the first image data based on the first main compensation value and the first and second boundary compensation values, and a second timing controller configured to correct the second image data based on the second main compensation value, the second boundary compensation value, and the first boundary compensation value.

Abstract: The present invention relates to a method for preparing a fuel cell catalyst electrode, which includes dispersing and mixing a first catalyst, a binder, and a first solvent to prepare a first catalyst slurry, heat-treating and pulverizing the first catalyst slurry to prepare a first catalyst powder, dispersing and mixing a second catalyst, a binder, and a second solvent to prepare a second catalyst slurry, heat-treating and pulverizing the second catalyst slurry to prepare a second catalyst powder, dispersing the first catalyst powder and the second catalyst powder in a third solvent to prepare a third catalyst slurry, and applying or transferring the third catalyst slurry onto a substrate to prepare an electrode having a catalyst layer formed therein.

Abstract: The present invention relates to a novel method for synthesizing a decursin derivative, enabling high-yield mass synthesis of a decursin derivative (PRG-A-04) represented by compound I through a reaction between decursinol and an intermediate compound in which a Boc protecting group is introduced to an OH group of 3-(3-methoxy-4-nitrophenyl)prop-2-en-1-ol in the presence of a palladium catalyst and xantphos.

Abstract: In a method for estimating nanoparticles in a solution, a laser-induced plasma is generated by making a pulsed laser beam incident on inside a cell containing a solution, feedback signals is acquired based on light, shock wave and sound generated by the laser-induced plasma, the feedback signals, an intensity of the laser incident on the cell, and intensities of each laser passing through the cell for each laser pulse are acquired, the feedback signals acquired for each laser pulse, the intensity of the laser, and the intensities of the lasers passing through the cell into a pre-trained nanoparticle estimation model is input to estimate sizes or types of unknown nanoparticles included in the solution.

Abstract: The present invention relates to a biomarker for neurodegenerative diseases, comprising glycotoxin, a specific protein bound to glycotoxin, or a glycotoxin-specific protein complex, and more specifically, the biomarker permits non-invasive rapid detection of a specific fluorescence from the skin surface and therefore can be used in early detection of cognitive impairment, and for a confirmed case of cognitive impairment, measures the mRNA expression level and protein level of the biomarker from living tissues such as skin and blood, and therefore is advantageously utilized in prediction, diagnosis, and the like of neurodegenerative diseases such as Alzheimer's disease and the like.

Abstract: The present invention is directed to the cells, compositions and methods for the production of recombinant protein, wherein an f-met group on the 5?-terminus is enzymatically removed. In particular, the invention is directed to a production process for obtaining high levels of soluble recombinant CRM197 protein from E. coli. Cells preferably contain one or more mutations of disulfide reductase genes, so that disulfide reductase activity is reduced. The invention also relates to purification method for CRM197 as well as characterization of properly folded CRM197 protein.

Abstract: The present disclosure relates to a method of deriving quality improvement requirements. The method according to some embodiments may include receiving a plurality of evaluation information for a first product from an evaluation information database, inputting the plurality of evaluation information into a key phrase extraction model and determining key phrases for the plurality of evaluation information based on an output of the key phrase extraction model, grouping some of the key phrases for the plurality of evaluation information into multiple groups and storing information on each of the multiple groups in a memory, ranking the key phrases included in each of the multiple groups and storing information associated with the ranks of the key phrases included in each of the multiple groups in the memory and determining top n key phrases from each of the multiple groups as quality improvement requirements.

Abstract: Proposed are a light source-tracking solar cell array, and a light source-tracking solar power generation system using same. More specifically, a light source-tracking solar cell array, and a light source-tracking solar power generation system using same, wherein light source-tracking solar cell array includes a stretchable solar module including a plurality of unit solar cells and a metal fiber-based conductive connector having elasticity and flexibility, wherein the plurality of unit solar cells are connected to each other by the conductive connector, and a transformable means which transforms in shape according to a change in position of a light source by connecting at least two or more of the plurality of unit solar cells, wherein the stretchable solar module is transformed in shape as the transformable means changes intervals between the unit solar cells due to the changes in the position of the sun.