Abstract: A method and system for determining a dose of modulation (DOM) profile are provided. The method may include obtaining a 3D image and a topogram image of the object. The method may further include obtaining a dose of modulation (DOM) profile generation model. The DOM profile generation model may be generated by training a preliminary model based on a plurality of sample CT images, a plurality of sample 3D images corresponding to the plurality of sample CT images, respectively, and a plurality of sample topogram images corresponding to the plurality of sample CT images, respectively. The method may further include executing the DOM profile generation model to generate a DOM profile related to a computed tomography (CT) scan of the object based on the 3D image and the topogram image of the object.

Abstract: Image sensors are provided. The image sensors may include a substrate including first, second, third and fourth regions, a first photoelectric conversion element in the first region, a second photoelectric conversion element in the second region, a third photoelectric conversion element in the third region, a fourth photoelectric conversion element in the fourth region, a first microlens at least partially overlapping both the first and second photoelectric conversion elements, and a second microlens at least partially overlapping both the third and fourth photoelectric conversion elements. The image sensors may also include a floating diffusion region and first, second and third pixel transistors configured to perform different functions from each other. Each of the first, second and third pixel transistors may be disposed in at least one of first, second, third and fourth pixel regions. The first pixel transistor may include multiple first pixel transistors.

Abstract: A method for preparing trimethylolpropane, the method including: subjecting dimethylolbutanal (DMB) to a hydrogenation reaction in the presence of a metal catalyst and an alcohol solvent. During the hydrogenation reaction, a weight ratio of the alcohol solvent based to dimethylolbutanal is 2 to 10.

Abstract: Disclosed is an electronic device. The electronic device comprises: a display and a processor, wherein, when at least one condition among the time required to treat an object and an object treatment completion time is input, the processor identifies a plurality of object treatment courses that comply with the condition, identifies the order of priority of the plurality of object treatment courses according to predetermined criteria, and controls the display to provide a list listing information about the plurality of object treatment courses on the basis of the identified order of priority, wherein the object treatment is a process in which an object is cleaned or dried by means of at least one among a cleaning operation and a drying operation.

Abstract: The present disclosure relates to a polynucleotide having a novel promoter activity, a composition for expressing a gene comprising the polynucleotide, a microorganism comprising the gene, and a method for preparing purine nucleotides using the microorganism.

Abstract: Provided are a variant phosphoribosylpyrophosphate amidotransferase, a microorganism including the same, and a method of preparing a purine nucleotide using the same.

Abstract: The present invention relates to a catalyst composition for hydroformylation and a method of preparing an aldehyde using the same. More specifically, the present invention provides a catalyst composition for hydroformylation including a specific phosphite-based ligand and a transition metal compound in a specific amount range, thereby being capable of greatly lowering a use amount of an expensive transition metal compound and exhibiting excellent catalyst activity or stability. In addition, by using the catalyst composition in hydroformylation, excellent reaction efficiency may be provided and iso-aldehyde may be generated in high yield.

Abstract: The present disclosure relates to a microorganism of the genus Corynebacterium producing 5?-xanthosine monophosphate and a method for producing 5?-xanthosine monophosphate using the same.

Abstract: A method for producing dimethylolbutanal, the method including: (A) distilling a raw material comprising dimethylolbutanal (DMB) in a distillation column; (B) separating the distilled raw material in the distillation column into a low boiling point component, dimethylolbutanal, and a high boiling point component; and (C) refluxing a portion or all of the high boiling point component to the distillation column by heating the portion or all of the high boiling point component, in which the dimethylolbutanal is separated from a side cut of the distillation column.

Abstract: A hydroformylation catalyst having excellent catalytic activity and stability, a composition including the hydroformylation catalyst, and a method of preparing an aldehyde using the hydroformylation catalyst, wherein, when hydroformylation of an olefin compound is performed in the presence of the hydroformylation catalyst to prepare an aldehyde, the normal/iso (n/i) ratio of the prepared aldehyde is lowered, and synthesis gas yield is increased.

Abstract: Disclosed herein is a separator for secondary batteries, configured to provide insulation between a positive electrode and a negative electrode, wherein the separator comprises no polyolefin substrate, is configured to have a layer structure comprising a fibrous support, inorganic particles, and a binder, and has improved dimensional stability.

Abstract: Methods and apparatuses are provided for displaying a screen in an electronic device. A message application is executed. An execution screen of the message application and a keyboard are displayed through a touch screen display of the electronic device while the message application is executed. A layer of the execution screen is overlaid with a layer of the keyboard. Based on a touch input on an object related to the keyboard, data related to the keyboard is transmitted to an external electronic device through a communication interface of the electronic device such that the external electronic device, based on the data related to the keyboard, displays the keyboard through a display of the second external electronic device. The execution screen is displayed through the touch screen display. The keyboard which has been displayed disappears from the touch screen display.

Abstract: The present invention relates to a modulator of 1,2,5-oxadiazole indoleamine-(2,3)-dioxygenase, a preparation method and use thereof, more particularly to compounds of Formula I and Formula II, an isomer thereof, a pharmaceutically acceptable salt or a pharmaceutically acceptable solvate thereof, and their use in preparing drugs for treating cancers, neurodegenerative diseases, eye diseases, mental disorders, depression, anxiety disorders, Alzheimer's diseases and/or autoimmune diseases. Specific meanings of R substituents in Formula I and Formula II are consistent with the description of the specification.

Abstract: The present invention relates to an ophthalmic composition for lowering an intraocular pressure, the composition comprising latanoprost, polyoxyl 40 hydrogenated castor oil, and sorbitol.

Abstract: A thermoplastic resin composition of the present invention comprises: a rubber-modified aromatic vinyl-based resin; a quencher; a needle-like filler; and a plate-shaped filler, wherein the quencher is a polymer of a reaction mixture comprising an aromatic vinyl-based compound, a cyanovinyl-based compound and a silicon-based compound. The thermoplastic resin composition can implement the visual and tactile texture felt in paper.

Abstract: Provided is a method of inducing oligodendrocyte precursor cells (OPCs) through direct reprogramming from human somatic cells into which a nucleic acid molecule encoding an Oct4 protein or Oct4 protein-treated human somatic cells. The method of inducing OPCs by treating Oct4-overexpressing human somatic cells with a low molecular weight substance may establish OPCs with high efficiency in a short period of time through direct reprogramming without via neural stem cells, and thus the OPCs are useful as a cell therapeutic agent for an intractable demyelinating disease.

Abstract: An image sensor includes a pixel array including a first shared pixel and a second shared pixel that are adjacent to each other in a row direction. The first shared pixel includes two or more photo diodes in a first row and two or more photo diodes in a second row, and the first shared pixel includes a first floating diffusion region shared by the photo diodes of the first shared pixel. The second shared pixel includes two or more photo diodes in the first row and two or more photo diodes in the second row, and the second shared pixel includes a second floating diffusion region shared by the photo diodes of the second shared pixel.

Abstract: A method for preparing dimethylolbutanal including performing an aldol reaction of n-butyraldehyde (n-BAL) and paraformaldehyde (PFA) in the presence of water and an alkylamine catalyst, in which a weight ratio of the paraformaldehyde:water is 1:0.35 to 1:0.85.

Abstract: The present invention relates to a composition for relieving a hangover or a composition for preventing, alleviating or treating alcoholic liver disease, comprising a ?-glucan as an active ingredient