Abstract: The present invention relates to a silicon composite anode material with controlled particle size distribution, a manufacturing method thereof, and a lithium-ion battery containing the same. More specifically, the present invention relates to a silicon composite anode material with controlled particle size distribution, which exhibits stress relaxation of each particle through distribution of various particle sizes and thus prevents mechanical destruction even under a high-pressure condition during a calendering process, a manufacturing method thereof, and a lithium-ion battery containing the same. The silicon composite anode material comprises a graphite mixture; a silicon nanolayer coated on the graphite mixture; and a carbon coating layer coated on the silicon nanolayer.

Abstract: An image sensor is provided and may include a semiconductor substrate having a surface and including trench, the trench extending from the surface into the semiconductor substrate, an insulating pattern provided in the trench; and a doped region in the semiconductor substrate and on the insulating patterns. The doped region includes a side portion on a side surface of the insulating pattern, and a bottom portion on a bottom surface of the insulating pattern. A thickness of the side portion of the doped region is from 85% to 115% of a thickness of the bottom portion of the doped region, and a number of dopants per unit area in the side portion of the doped region is from 85% to 115% of a number of dopants per unit area in the bottom portion.

Abstract: The present disclosure relates to a preparing method of a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. The preparing method of a super absorbent polymer sheet of the present disclosure may prepare a porous flexible super absorbent polymer sheet exhibiting high flexibility and fast absorption rate.

Abstract: Provided are a cannabichromenic acid derivative, a method for preparing same, and a composition for cognitive function improvement comprising same, in which the cannabichromenic acid derivative exhibits acetylcholinesterase inhibitory activity and butyrylcholinesterase inhibitory activity, as well as inhibitory activity against monoamine oxidase B, therefore simultaneously treating a decrease in acetylcholine levels in brain tissue and a decrease in blood butyrylcholine levels, shown in patients with dementia, and providing a more effective cognitive function improvement treatment by preventing brain cell damage.

Abstract: An image sensor including a substrate having first and second surfaces that are opposite to each other. The substrate includes unit pixel regions having photoelectric conversion regions. A semiconductor pattern is disposed in a first trench defined in the substrate and defines the unit pixel regions. The semiconductor pattern includes a first semiconductor pattern and a second semiconductor pattern disposed on the first semiconductor pattern. A back-side insulating layer covers the second surface of the substrate. The first semiconductor pattern includes a side portion extended along an inner side surface of the first trench and a bottom portion connected to the side portion and disposed closer to the second surface of the substrate than the side portion. The second semiconductor pattern extends toward the second surface of the substrate and is spaced apart from the back-side insulating layer with the bottom portion of the first semiconductor pattern interposed therebetween.

Abstract: The present disclosure relates to a microorganism of the genus Corynebacterium having an increased L-amino acid producing ability, containing NADP-dependent glyceraldehyde-3-phosphate dehydrogenase derived from the genus Lactobacillus. According to the present disclosure, the NADP-dependent glyceraldehyde-3-phosphate dehydrogenase derived from Lactobacillus delbrueckii subsp. bulgaricus is introduced to increase the reducing power through the activity of NADP-dependent glyceraldehyde-3-phosphate dehydrogenase, thereby increasing the L-amino acid producing ability of the strains belonging to the genus Corynebacterium.

Abstract: Provided is a method for preparing a superabsorbent polymer which realizes excellent drying efficiency by using a specific reducing agent compound selected from the group consisting of oxalic acid, sodium metabisulfite, sodium benzoate, or a combination thereof, and sodium dodecyl sulfate in combination in the polymerization step, thereby improving absorption properties of the polymer.

Abstract: Provided is a prephenate dehydratase variant.

Abstract: The present application relates to an aroG aldolase (phospho-2-dehydro-3-deoxyheptonate aldolase) variant, a microorganism comprising the same, and a method for producing amino acids using the same.

Abstract: The present disclosure relates to an isopropylmalate synthase variant and a method of producing L-leucine using the same.

Abstract: The present disclosure relates to a preparing method of a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. The preparing method of a super absorbent polymer sheet of the present disclosure may prepare a porous flexible super absorbent polymer sheet exhibiting high flexibility and fast absorption rate.

Abstract: An image sensor including a substrate having first and second surfaces that are opposite to each other. The substrate includes unit pixel regions having photoelectric conversion regions. A semiconductor pattern is disposed in a first trench defined in the substrate and defines the unit pixel regions. The semiconductor pattern includes a first semiconductor pattern and a second semiconductor pattern disposed on the first semiconductor pattern. A back-side insulating layer covers the second surface of the substrate. The first semiconductor pattern includes a side portion extended along an inner side surface of the first trench and a bottom portion connected to the side portion and disposed closer to the second surface of the substrate than the side portion. The second semiconductor pattern extends toward the second surface of the substrate and is spaced apart from the back-side insulating layer with the bottom portion of the first semiconductor pattern interposed therebetween.

Abstract: This invention relates to a method for preparing super absorbent polymer, where wherein colloidal silica is added during coarse grinding, and/or silica is introduced during surface crosslinking. According to the preparation method of super absorbent polymer of the invention, super absorbent polymer that maintains excellent absorption properties, and simultaneously, exhibits improved vortex time and anti-caking efficiency, can be provided.

Abstract: The present disclosure relates to a preparation method for a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. According to the preparation method of the present disclosure, a porous super absorbent polymer sheet can be prepared by a simplified process.

Abstract: The present disclosure relates to a preparing method of a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. The preparing method of a super absorbent polymer sheet of the present disclosure may prepare a porous flexible super absorbent polymer sheet exhibiting high flexibility and fast absorption rate.

Abstract: Provided are a superabsorbent polymer composition, and a preparation method thereof. More particularly, provided are a superabsorbent polymer, of which a high absorption rate and excellent gel strength are improved at the same time by using specific additives in combination during polymerization, and a preparation method thereof.

Abstract: A telescopic pipe includes a base pipe having a base inner pipe rotated by external force, and a base outer pipe arranged to receive the base inner pipe; a connecting pipe having a connecting inner pipe coupled to the base inner pipe to be extendable to transfer rotational force, and a connecting outer pipe screw-coupled to the inner circumferential surface of the base outer pipe to be extendable; and a finishing pipe including a finishing inner pipe coupled to the connecting inner pipe to be extendable and to be rotated, and a finishing outer pipe that is interlocked by means of rotation of the finishing inner pipe and is screw-coupled to the inner circumferential surface of the connecting outer-pipe to be extendable, wherein the connecting outer pipe is interlocked by the rotational force of the extended finishing outer pipe and thus is extended and retracted along the base outer pipe.

Abstract: An image sensor including a substrate having first and second surfaces that are opposite to each other. The substrate includes unit pixel regions having photoelectric conversion regions. A semiconductor pattern is disposed in a first trench defined in the substrate and defines the unit pixel regions. The semiconductor pattern includes a first semiconductor pattern and a second semiconductor pattern disposed on the first semiconductor pattern. A back-side insulating layer covers the second surface of the substrate. The first semiconductor pattern includes a side portion extended along an inner side surface of the first trench and a bottom portion connected to the side portion and disposed closer to the second surface of the substrate than the side portion. The second semiconductor pattern extends toward the second surface of the substrate and is spaced apart from the back-side insulating layer with the bottom portion of the first semiconductor pattern interposed therebetween.

Abstract: The present invention relates to a method of preparing a buffer material composed of bentonite modified with a layered double hydroxide (LDH) as a buffer material used for deep geological disposal of radioactive waste, the method including a step (a) of producing a first mixture by adding a compound containing a divalent cationic material, aluminum nitrate (Al(NO3)3), and bismuth nitrate (Bi(NO3)3) to a reactor.

Abstract: Provided is a method of preparing a superabsorbent polymer sheet, including polymerization of monomers in the presence of an encapsulated foaming agent and an inorganic foaming agent. According to the method of preparing the superabsorbent polymer sheet of the present invention, a porous flexible superabsorbent polymer sheet may be prepared.