Abstract: A composition for inducing dedifferentiation from cancer cells to cancer stem cells comprising a ribosome-activating inhibitor as an active ingredient, a method of culturing a cancer organoid based thereon and an anticancer drug screening platform, and the increase of colorectal cancer stem cell group induced by the exposure of ribosome-inactivating stress was regulated by the ATF3 gene.

Abstract: The present invention relates to a method of manufacturing a superparamagnetic nanocomposite and a superparamagnetic nanocomposite manufactured using the same, and more particularly to a method of manufacturing a superparamagnetic nanocomposite suitable for use in magnetic separation for the detection of a target biomaterial and a superparamagnetic nanocomposite manufactured using the same. The method of manufacturing the superparamagnetic nanocomposite according to the present invention has a higher yield and a high rate without complicated processing than a conventional method of manufacturing a magnetic nanoparticle for magnetic separation and is capable of mass production of the superparamagnetic nanocomposite having excellent properties with uniform size and particle size distribution, high aqueous solution dispersibility and high magnetization and being capable of maintaining superparamagnetism.

Abstract: A double tube includes an inner tube having a corrugated petal shape in a wave form in an outer tube. The double tube is manufactured by a method including: inserting the inner tube into the outer tube and coaxially disposing the inner tube and the outer tube; inserting a plurality of petal forming bars into a space between the outer tube and the inner tube and arranging the petal forming bars along a circumferential direction at predetermined intervals; disposing an assembly of the outer tube, the inner tube, and the petal forming bars in a mold of a hydroforming machine; supplying a fluid in the inner tube while applying a pressure to the inner tube in an axial direction to expand the inner tube; and separating the petal forming bars from the space between the outer tube and the inner tube.

Abstract: A system and method for detecting and notifying access to a dangerous area in a workplace using image processing and location tracking technology are disclosed. The system includes a server configured to partition a workplace into grating sections to assign coordinates, set a dangerous object or a dangerous area, and broadcast a notification message including coordinates of the dangerous object and information on the dangerous area, and smart glasses configured to display a grating of an adjacent dangerous area or an adjacent dangerous object in an augmented reality mode by using the coordinates of the dangerous object or the information on the dangerous area that are received.

Abstract: The present invention relates to a pharmaceutical composition for preventing or treating dentin-dental pulp disease or periodontal disease, a quasi-drug composition for preventing or improving dentin-dental pulp disease or periodontal disease or a health functional food composition for preventing or improving dentin-dental pulp disease or periodontal disease, all of which comprise a LPAR2 (lysophosphatidic acid receptor 2) inhibitor.

Abstract: Disclosed is a deep learning-based object recognition system which includes a data collection process executor configured to perform a data collection process of collecting values of the PIR sensor according to a sampling period; a data classification process executor configured to perform a data classification process of inputting the collected values of the PIR sensor to a model of an artificial neural network and transmitting a result of the inputting the collected values to a cloud using a RESTful API; and an object recognition cloud system configured to store information received from the data classification process executor in a database, transmit the information when a web application requests the information, and represent information collected and classified by devices using the RESTful API.

Abstract: Disclosed is a device for reverse slot reservation in an industrial low-power wireless network, which includes: a child device configured to send a slot demand of the child device to a parent device through an information element (IE) and a solicitation (SOLICIT) packet included in an enhanced beacon (EB) and configured to select a required number of slots and respond using a Response packet to reserve the slots when an OFFER is received; and a parent device configured to transmit an OFFER packet to a device with the highest priority or a device selected in round-robin order when there is no priority on the basis of slot demands of child devices to start reverse slot reservation and configured to select some slots from among available slots of the parent device, add the selected slots to CellList, and transmit the OFFER packet to a corresponding child device.

Abstract: Disclosed is a deep learning-based object recognition system which includes a data collection process executor configured to perform a data collection process of collecting values of the PIR sensor according to a sampling period; a data classification process executor configured to perform a data classification process of inputting the collected values of the PIR sensor to a model of an artificial neural network and transmitting a result of the inputting the collected values to a cloud using a RESTful API; and an object recognition cloud system configured to store information received from the data classification process executor in a database, transmit the information when a web application requests the information, and represent information collected and classified by devices using the RESTful API.

Abstract: Provided are an apparatus and method for K-edge based interior tomography image processing. The apparatus efficiently performs tomography image reconstruction by acquiring different material images using an energy-selective detector, such as a photon counting detector.

Abstract: Disclosed is a bus stop using a large-scale perovskite solar cell in which a perovskite solar cell is prepared using a hybrid structure including a graphene-carbon nanotube. The bus stop includes a body unit fixed to the ground to maintain the overall shape, a solar cell unit for producing electrical energy from sunlight, and an energy storage system (ESS) for storing the electrical energy produced by the solar cell part.

Abstract: A double tube includes an inner tube having a corrugated petal shape in a wave form in an outer tube. The double tube is manufactured by a method including: inserting the inner tube into the outer tube and coaxially disposing the inner tube and the outer tube; inserting a plurality of petal forming bars into a space between the outer tube and the inner tube and arranging the petal forming bars along a circumferential direction at predetermined intervals; disposing an assembly of the outer tube, the inner tube, and the petal forming bars in a mold of a hydroforming machine; supplying a fluid in the inner tube while applying a pressure to the inner tube in an axial direction to expand the inner tube; and separating the petal forming bars from the space between the outer tube and the inner tube.

Abstract: Disclosed is a bus stop using a large-scale perovskite solar cell in which a perovskite solar cell is prepared using a hybrid structure including a graphene-carbon nanotube. The bus stop includes a body unit fixed to the ground to maintain the overall shape, a solar cell unit for producing electrical energy from sunlight, and an energy storage system (ESS) for storing the electrical energy produced by the solar cell part.

Abstract: A micro-fluidic system for a perfusion cell culture is disclosed. The system includes: a substrate; a micro-fluid injection channel defined in the substrate to guide fluid in a plane direction of the substrate; at least two micro-fluid branch channels defined in the substrate, wherein the branch channels are branched from the micro-fluid injection channel; micro-fluid outlet channels defined in the substrate, wherein each of the outlet channels extends from a distal end of each branch channel to a top face of the substrate, wherein each outlet channel has each through-hole defined in the top face portion of the substrate; and well plates disposed on the top face of the substrate, wherein each of the well plates fluid-communicates with each outlet channel. The micro-fluidic system refers to a technique that adjusts a flow of liquid or gas of a very small amount (nanoliter or picoliter) in an extremely miniaturized device.

Abstract: Disclosed are a hybrid structure using a graphene-carbon nanotube and a perovskite solar cell using the same. The hybrid structure includes a graphene-carbon nanotube formed by laminating a second graphene coated with a polymer on an upper surface of a first graphene coated with a carbon nanotube. The perovskite solar cell includes: a substrate; a first electrode formed on the substrate and including a fluorine doped thin oxide (FTO); an electron transfer layer formed on the first electrode and including a compact-titanium oxide (c-TiO2); a mesoporous-titanium oxide (m-TiO2) formed on the electron transfer layer; a perovskite layer formed on the m-TiO2 and including a perovskite compound; and a graphene-carbon nanotube hybrid structure formed on the perovskite layer.

Abstract: In a composition and a microneedle for a localized obesity treatment containing the same in accordance with the present disclosure, the composition in accordance with the present disclosure contains a gelatin, decomposes a fat in a body, and inhibits lipogenesis and fat deposition in the body.

Abstract: A method for controlling an air conditioner system may include receiving, by one of an outdoor unit and a plurality of indoor units in a group, a command; transmitting, by the outdoor unit, a channel scan command to the plurality of indoor units; performing a channel scan by each of the outdoor unit and the plurality of indoor units; transmitting, by the plurality of indoor units, channel scan results to the outdoor unit; determining, by the outdoor unit, a channel to be used among a plurality of pre-set channels of a particular group based on a result of the channel scan performed by the outdoor unit and the channel scan results received from the plurality of indoor units; and outputting, by the outdoor unit, information on the channel to the plurality of indoor units. According to this method, an optimal wireless communication channel may be set.

Abstract: A mold for producing a hydrogel support for a 3-dimensional (3D) cell culture, includes: an upper mold comprising a base and a plurality of upper unit molds protruding downward from the base to form accommodating portions of a female type corresponding to shapes of hydrogel supports, having through holes at bottoms thereof, and patterned at a lower portion of the base; a lower mold where a plurality of lower unit molds are patterned, the plurality of lower unit molds formed in a female type to respectively accommodate the plurality of upper unit molds protruding downward and having sealed lower portions; and an ejecting unit for separating, from the accommodating portions of the plurality of upper unit molds, the hydrogel supports that are coagulated after being inserted into the through holes respectively formed in the plurality of upper unit molds.

Abstract: A tailor-layered tube, includes an inner tube, an outer tube having a greater diameter than the inner tube and disposed outside the inner tube, and at least one intermediate tube disposed between the inner tube and the outer tube and having a length different from the inner tube and the outer tube to be locally disposed between the inner tube and the outer tube. The inner tube, the intermediate tube, and the outer tube are hydroformed in a state of being laminated so that the inner tube, the intermediate tube, and the outer tube are sequentially brought into close contact with each other in a region where the intermediate tube is disposed and the inner tube is brought into direct contact with the outer tube in a region where the intermediate tube does not exist, and accordingly regions having locally different thicknesses are successively arranged.

Abstract: Provided are an automatic advance angle control system and method for a brushless linear direct current (BLDC) motor. The automatic advance angle control system for the BLDC motor includes a current controller configured to generate an anti-windup output for compensating for accumulated errors of an output voltage provided to the BLDC motor; a voltage headroom calculator configured to generate a voltage headroom from a counter-electromotive force and the output voltage provided to the BLDC motor; and an advance angle controller configured to generate an advance angle for controlling a phase of a phase current of the BLDC motor by performing proportional integration on a difference between the anti-windup output and the voltage headroom when the anti-windup output is generated and configured to ignore the generation of the advance angle when the anti-windup output is not generated.

Abstract: The present invention relates to: a pharmaceutical composition for preventing or treating LDL cholesterol-related diseases, containing a ribosome-binding preparation; a food composition; and a method for preventing or treating LDL cholesterol-related diseases by using the composition. According to the present invention, the ribosome-binding preparation selectively increases the expression of an LDL receptor in intestinal epithelial cells so as to promote LDL absorption in blood and tissue, such that LDL level in the blood can be reduced, thereby being useful for preventing or treating various LDL cholesterol-related diseases including LDL hypercholesterolemia, hyperlipidemia, hypertension and apoplexy.