Abstract: This invention relates to a method for preparing super absorbent polymer, and more specifically, a method for preparing super absorbent polymer that can more productively prepare super absorbent polymer having excellent absorption properties and optimum gel strength at the same time, by using a specific polymerization initiator and chelating agent in combination during a crosslinking polymerization step.

Abstract: The present application relates to: a novel mutant polypeptide having isopropylmalate synthase activity; and a method for producing L-leucine by using same. L-leucine can be produced at high yield by using the mutant polypeptide according to an embodiment.

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 modified polypeptide with attenuated activity of citrate synthase, a microorganism producing leucine comprising the modified polypeptide, and a method for producing an L-amino acid using the microorganism.

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 are a microorganism in which activity of a GNAT family N-acetyltransferase protein is weakened; a method for producing O-acetyl homoserine and L-methionine using the same; a composition for producing O-acetyl homoserine, the composition including the microorganism; and use of the microorganism for producing O-acetyl homoserine or L-methionine.

Abstract: Provided are a super absorbent polymer which has excellent water retention capacity and absorbency under pressure while exhibiting improved bacterial growth inhibition properties and deodorization properties by reducing residual monomers in the super absorbent polymer, and exhibits excellent color properties by suppressing discoloration, and a preparation method thereof.

Abstract: Provided are a microorganism in which activity of an SIRT-type deacetylase protein is weakened; a method for producing O-acetyl homoserine and L-methionine using the same; a composition for producing O-acetyl homoserine, the composition including the microorganism; and use of the microorganism for producing O-acetyl homoserine or L-methionine.

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: 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: 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 prephenate dehydratase variant.

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: 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: 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.