Abstract: The present disclosure relates to a contactless charging device and a contactless charging method using the same, and particularly, to a location zone-based contactless charging device and a contactless charging method using the same that enable multiple passengers to be charged simultaneously in a one-by-N format without a need for direct tagging of a vehicle terminal, by utilizing a step sensor built into a passenger terminal. The present disclosure may accurately and automatically perform the charging without the terminal tag even when multiple passengers board and alight at the same time, such as in the tram, thereby reducing a boarding and alighting time and providing convenience and safety to the passengers. In addition, the present disclosure may accurately determine the boarding and the alighting of the passenger even when sensing of some beacons installed at multiple stations is uncertain or some beacons are broken, thereby improving reliability and preventing incorrect charging.

Abstract: An air circulation system includes at least one flow generator to generate an airflow, an air inlet, a first air outlet and a second air outlet each for exhausting airflow, an air conditioning device to air condition the exhausted airflow, and a controller. The controller is configured to position at least one of the first and second air outlets to be vertically separated from each other and to operate the flow generator to provide the exhaust airflow to the first and second air outlets. The exhaust airflow from the first and second air outlets are of different temperatures.

Abstract: A cable assembly for a wearable electronic device includes a pressure sensitive adhesive layer separating a first plurality of cables from a second plurality of cables with each cable of the first plurality of cables abutting a first major surface of the pressure sensitive adhesive layer and each cable of the second plurality of cables abutting a second major surface of the pressure sensitive adhesive layer. The cable assembly includes at least one wrap of conductive tape encircling the first plurality of cables, the second plurality of cables, and the pressure sensitive adhesive layer. The cable assembly includes a conductive tape layer positioned on an exterior surface of the at least one wrap of conductive tape.

Abstract: A method of preparing a food composition for an egg fluid substitute or for a milk substitute is described, including a step of lysing microorganisms, and corresponding food compositions prepared by such method. The egg fluid substitute or milk substitute changes into a gel having properties similar to egg fluid when heated and exhibits excellent foaming performance, and can replace egg fluid in a wide range of food applications, including confectionery and baking. The described method enables the production of an egg fluid substitute or milk substitute in an environmentally friendly and sustainable manner, and provides a method for utilizing nutritionally valuable microorganisms as an egg fluid substitute or a milk substitute, as well as contributing to the food industry by expanding the choice of food ingredients.

Abstract: Disclosed are a recombinant microorganism for producing a hydrophobic material, which is subjected to cell-membrane engineering in order to be imparted with at least one characteristic among an increase in a cell-membrane area, an increase in formation and secretion of an outer membrane vesicle, and an increase in formation of an inner membrane vesicle, and a cell-membrane engineering method for preparation thereof, whereby an insoluble hydrophobic material can be produced with high efficiency, the recombinant microorganism for high-efficiency production of carotenoids or violacein analogues is useful for producing natural pigments, antioxidants, antibiotics, cosmetic additives, anticancer agents, food additives, or nutritional supplements, and the natural pigment production technology developed herein achieves a great increase in production ability.

Abstract: Disclosed is a method of preparing primary amines. More particularly, disclosed are a mutant microorganism transformed with a gene encoding a valine decarboxylase and a method of preparing primary amines from amino acids using the mutant microorganism. The method has an effect of synthesizing, in an environmentally friendly manner, primary amines as precursors for pharmaceuticals and agricultural chemicals using microorganisms, as an alternative to conventional chemical synthesis methods.

Abstract: A source gas nozzle including: an upstream pipe; a downstream pipe; and a U-turn pipe connecting the upstream pipe and the downstream pipe, wherein a plurality of first gas discharge holes are disposed in a longitudinal direction along at least one of the upstream pipe or the downstream pipe, and a gas non-discharge hole region and an asymmetric gas discharge hole region comprising a plurality of second gas discharge holes are disposed in opposite ones of the upstream pipe and the downstream pipe, and wherein the gas non-discharge hole region and the asymmetric gas discharge hole region are adjacent.

Abstract: The present invention relates to a food having improved flavor, nutrition and color and a method for producing the same, and more specifically, to a food having a flavor, nutrition and color similar to those of meat, the food containing either a compound selected from the group consisting of heme, porphyrins, metalloporphyrins, and porphyrin analogs, or a microorganism that produces the compound, and a method for producing the same. According to the present invention, it is possible to improve the flavor, nutrition, and color of food by producing heme and various porphyrins, metalloporphyrins, and porphyrin analogs with high efficiency by fermentation of a microbial mutant, isolating/purifying the products, and adding the isolated/purified products to food.

Abstract: The present invention relates to a recombinant microorganism imparted with increased ability to produce glutaric acid by further introducing a gene encoding a polypeptide having glutaric acid transporter activity into a microorganism having ability to produce glutaric acid, and to a method of preparing glutaric acid using the recombinant microorganism. According to the present invention, glutaric acid used for the preparation of various compounds such as polyamide, polyurethane, 1,5-pentanediol, and 5-hydroxyvaleric acid can be biosynthesized at high yield.

Abstract: The present invention relates to novel C-glycosyltransferase variants and a use thereof. The C-glycosyltransferase variants according to the present invention have improved glycosidic bond-forming ability as compared with wild-type C-glycosyltransferase, and thus can increase the glycoside production effects of polyketide groups and pseudo-natural products, particularly type I, II, III polyketide, nonribosomal peptides, phenylpropanoids, and other aromatic natural products, and thus can be useful for the preparation of a drug, a food additive, a nutritional supplement, and the like containing a C-glycoside compound as a constituent ingredient.

Abstract: A deepfake detection device may include a data input unit that receives an input image including a low-quality deepfake video, a branch-based super-resolution training unit that enhances the resolution of the input image through unsupervised super-resolution training and generates a plurality of super-resolution images having different sizes, and a multi-scale training unit that performs multi-scale training, without resolution conversion, on the plurality of super-resolution images having different sizes, respectively. The multi-scale training unit may synthesize multi-scale training results for the plurality of super-resolution images having different sizes, respectively, and determine whether the input image is a deepfake based on the multi-scale training results.

Abstract: The present invention provides a composition for antifreezing including a gold (Au) nanostructure in which at least a portion thereof is concave, thereby it is possible to increase a survival rate of cells due to having excellent effect of inhibiting ice recrystallization when cryopreservation of the cells, and maintain a texture of food even when using in the freezing of food.

Abstract: The present disclosure relates to a mutant microorganism in which a glycerol catabolic pathway and a 1,3-PDO biosynthetic pathway are introduced into a microorganism incapable of using glycerol as a carbon source, and a method of producing 1,3-PDO using the same. According to the present disclosure, it is possible to produce 1,3-PDO while growing a mutant microorganism having 1,3-PDO production ability by using the inexpensive raw material glycerol as a single carbon source. Thus, the present disclosure is useful for the economical production of 1,3-PDO.

Abstract: A nanocatalyst for partial oxidation of methane is disclosed. The nanocatalyst is prepared by carbonizing a metal-organic framework coordinated with copper ions to form a structure in which nitrogen atoms present in a nitrogen-doped porous carbon structure form coordinate bonds with copper ions. This structure enhances the chemical stability of the nanocatalyst, prevents the peroxidation of methane at low temperature, and significantly improves the conversion efficiency of methane to liquid products such as methanol and methyl hydroperoxide by selective partial oxidation of methane gas. Also disclosed are a method for preparing the nanocatalyst and a method for partial oxidation of methane using the nanocatalyst.

Abstract: Synthetic sRNA for inhibiting prokaryote gene expression is described, which includes (i) an Hfq binding site and (ii) a region that forms a complementary bond with a target gene mRNA. Vectors encoding the synthetic sRNA are described, as well as recombinant prokaryotes transformed with such vectors, methods of inhibiting prokaryote gene expression, and methods of gene screening and strain improvement. The synthetic sRNA is able to control single and multiple target genes at a time, and is particularly useful for inhibiting a gene expression of Gram-positive bacteria, e.g., in a recombinant Corynebacterium for mass production of high value products that do not require fossil fuels with associated environmental problems.

Abstract: The present invention relates to a recombinant microorganism having enhanced ability to produce recombinant silk protein and a method of producing high-molecular-weight recombinant silk protein using the same, and more specifically, to a recombinant microorganism having an enhanced ability to produce spider silk protein, obtained by introducing a sequence encoding a synthetic sRNA that inhibits expression of eno gene into a microorganism having ability to produce recombinant silk protein. The recombinant silk protein derived from the recombinant strain according to the invention has a high molecular weight similar to that of dragline silk protein produced by spiders, and may be mass-produced, and thus it has properties similar to or better than those of natural silk protein when manufactured into fibers. Accordingly, the recombinant silk protein may be advantageously used in various industrial fields such as bioengineering and/or pharmaceutical fields where spider silk fibers are expected to be applied.

Abstract: The present invention provides a a nanostructure which includes: a core comprising one or more planes configured to come into planar contact with at least one plane of an ice crystal; and an oligopeptide which is conjugated to at least one plane of the core and comprises (Thr)n-, (Ala)n-, (Ser)n-, or (Gly)n-, wherein the nanostructure is a polyhedron-shaped nanostructure present in water in a colloidal form to control freezing, and n is an integer of 2 to 7.

Abstract: The present specification relates to an apparatus and a method for detecting a deepfake based on a convolutional long short-term memory network. The method of detecting a deepfake includes receiving, by an input unit, a plurality of training datasets selected from a plurality of domains; training, by a learning unit, a deepfake detection model based on the training datasets; and detecting, by a detection unit, whether a deepfake is present from the test datasets using the trained deepfake detection model. The training of the deepfake detection model includes sequentially training the deepfake detection model through initial learning using training datasets of a specific domain among the plurality of domains and transfer learning using training datasets of domains other than the specific domain.

Abstract: Disclosed are a mutant microorganism for producing succinic acid exhibiting improved activity of conversion of oxaloacetate to malate through the introduction of genes encoding a malate dehydrogenase, wherein an amino acid residue that interacts with a pyrophosphate moiety of NADH through an amide functional group of a main chain of malate dehydrogenase is glutamine (Gln), and a method of producing succinic acid using the same. The mutant microorganism producing succinic acid according to the present invention is capable of producing a high concentration of succinic acid at the highest productivity compared to other mutant microorganisms reported to date when the microorganism is cultured in a limited medium. In addition, the mutant microorganism is capable of producing succinic acid at higher productivity and product concentration through further advanced fermentation technology.