Abstract: The present disclosure is directed to providing a toothed conveyor belt type oil recovery device including: a recovery conveyor which is rotates in such a way that a continuous track rotates, the recovery conveyor having multiple teeth made of a hydrophilic material on an outer surface, the recovery conveyor having one side positioned in water in which oil is spilled to recover the oil while feeding the oil into a space between the adjacent teeth by the rotation; and a separation unit which holds an oil separating liquid, and is positioned on the other side of the recovery conveyor to separate the oil from the teeth while the oil separating liquid is fed into the space between the adjacent teeth by capillary suction when the teeth move on to the oil separating liquid on the other side of the recovery conveyor by the rotation of the recovery conveyor.

Abstract: Provided are a red fluorescent protein-based biosensor for measuring the activity of dopamine receptor D1, a method of measuring the activity of dopamine receptor D1 using the biosensor, and a method of detecting a ligand binding to dopamine receptor D1.

Abstract: A single-photon detection element includes a substrate including a first surface and a second surface located opposite to each other, and a plurality of plasmonic nanopatterns provided on the second surface, wherein the substrate includes a high-concentration doping region provided adjacent to the first surface, a substrate region provided between the high-concentration doping region and the plurality of plasmonic nanopatterns, and a first well provided between the substrate region and the high-concentration doping region.

Abstract: Embodiments relate to a method for updating query information for tracing a target object from multi-camera including receiving a query information update command including query information for tracing a target object from multi-camera, searching for at least one image displaying the target object among a plurality of images captured by the multiple cameras, and updating the query information of a query image based on the at least one found image, and a multi-camera system performing the same.

Abstract: Disclosed are a cathode for an all-solid-state battery including a cathode thin film for an all-solid-state battery or a cathode composite membrane for an all-solid-state battery, and an all-solid-state battery including the same. The cathode for an all-solid-state battery contains a grain that has a plane having a low surface energy and has a grain boundary arranged parallel to the electron movement direction, thus effectively lowering the interfacial resistance of the thin film while suppressing the dissolution and diffusion of the transition metal, thereby improving the cycle stability of the all-solid-state battery including the same.

Abstract: A porous aramid nanofiber film, a manufacturing method thereof, and a secondary battery including the same are provided. The method of manufacturing the porous aramid nanofiber film includes forming an aramid nanoseed suspension layer by applying an aramid nanoseed suspension on a substrate. The suspension layer is immersed in an alcohol-containing protic solvent for first solvent exchange to prepare an aramid nanofiber film by self-assembly. The aramid nanofiber film is immersed in water for second solvent exchange to form an aramid nanofiber hydrogel film. Freeze-drying the aramid nanofiber hydrogel film to prepare a porous aramid nanofiber film.

Abstract: A turbomachine according to an embodiment of the present disclosure may include a rotary shaft, a magnetic bearing including a core body configured to surround the rotary shaft, a plurality of poles radially extending from an inner surface of the core body toward the rotary shaft, and coils wound around the plurality of poles to levitate the rotary shaft by using a magnetic force generated by a magnetic field formed by applied electric current, a sleeve journal bearing disposed between the rotary shaft and the magnetic bearing so as to surround the rotary shaft and configured to levitate the rotary shaft by generating a dynamic pressure when the rotary shaft rotates, and a permanent magnet disposed between the plurality of poles and configured to support the rotary shaft by using a magnetic force.

Abstract: A device for monitoring brain-object interactions in a community includes a probe module attached to each individual and including a stimulation device, a specific wavelength emitting device, an infrared (IR) receiving device and a recording memory; a central controller to regulate a connection between the probe module and at least one object to control and monitor the probe module or the object; a plurality of IR emitters to transmit a time sync signal and a command to the probe module to monitor the individual; and a plurality of specific wavelength receivers to transmit the electrical signal received by the probe module to the central controller. Accordingly, it is possible to integratedly control the connection between the probe module and the object through the central controller and prevent confusion and loss of data transmission, thereby achieving efficient monitoring of the community.

Abstract: Embodiments relate to a companion animal identification method including acquiring a preview image for capturing a face of a target companion animal, checking if the face of the target companion animal is aligned according to a preset criterion, capturing the face of the target companion animal when it is determined that the face of the target companion animal is aligned, and identifying the target companion animal by extracting features from a face image of the target companion animal having an aligned face view, and an identification system for performing the same.

Abstract: Disclosed is a method for manufacturing a high-density neural probe including needles having various forms. The method, in which only a photolithography process and an etching process are used, simplifies a manufacturing process of the neural probe, minimizes changes in the characteristics of the neural probe depending on process equipment or conditions, and may thus ensure a high yield, thereby being advantageous in terms of commercialization. In addition, various forms of needles may be manufactured depending on the shape of patterns included in a mask, the height of the needles may be controlled by adjusting the size of the patterns and the gap between the patterns, and thereby, a neural probe having a plurality of needles having different heights may be manufactured.

Abstract: The present disclosure relates to an electrochemical sensor for simultaneous detection of dopamine and serotonin including an electrode containing a reduced graphene oxide (rGO), poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS), and Nafion, wherein the sensor has high interfacial conductivity and electrocatalytic properties and further improves the negatively charged electrode interface, thereby enabling high sensitivity selective measurement of dopamine and serotonin. In addition, since the sensor according to the present disclosure is stable for a long time and has high reproducibility, it can be used for clinical diagnosis of various brain and neurological diseases, drug treatment, biological research using changes in the concentration of neurotransmitters, and biochip application fields.

Abstract: Disclosed is a method of manufacturing a stretchable substrate having improved stretch uniformity according to various embodiments of the present disclosure in order to implement the above-described object. The method may include forming an auxetic including a plurality of unit structures, and attaching one or more elastic sheets to the auxetic and forming a stretchable substrate.

Abstract: The present disclosure relates to a compound represented by Structural Formula 1 or 2 or a pharmaceutically acceptable salt thereof, for inhibiting the activity of the 5-HT7 serotonin receptor.

Abstract: The present disclosure relates to a cathode active material for a secondary battery, a cathode for a secondary battery including the same, a secondary battery including the cathode for a secondary battery and manufacturing methods thereof. More particularly, it is possible to obtain a secondary battery having excellent electrochemical characteristics by electrochemically inducing a structural phase change in the cathode active material of a secondary battery including NaCl as a cathode active material.

Abstract: Proposed is a self-resonance tuning piezoelectric energy harvester with broadband frequency, including: a piezoelectric beam which is extended along a horizontal direction; a fixing member which fixes opposite ends of the piezoelectric beam; and a mobile mass which the piezoelectric beam passes through, and which is capable of self-movement along the piezoelectric beam through a through-hole which has a free space in addition to a space which the piezoelectric beam passes through, wherein as the mobile mass moves to a position of the piezoelectric beam, generated displacement of a piezoelectric beam is increased, and as the generated displacement becomes greater than the free space, the mobile mass is fixed to a position of a piezoelectric beam at which resonance will occur.

Abstract: Disclosed are visible light-activatable antitumor self-assembled nanoparticles or antitumor immunity-inducing self-assembled nanoparticles. The self-assembled nanoparticles induce potent apoptosis in cancer cells and increase their own anticancer immunogenicity, thereby maximizing their therapeutic efficacy for cancer.

Abstract: The present disclosure provides a composite wherein NaCl nanoparticles are uniformly dispersed on reduced graphene oxide (rGO), a positive electrode active material including the same, a sodium secondary battery including the same, and a method for preparing the same. The positive electrode active material according to the present disclosure has a structure wherein NaCl nanoparticles are uniformly dispersed on rGO in a one-step process through chemical self-assembly. Therefore, the positive electrode active material according to the present disclosure exhibits superior electrochemical properties with high capacity because the small NaCl particles are dispersed uniformly and is economically favorable because the preparation process is simple.

Abstract: Disclosed is a method of preparing colloidal silica, more particularly a method of producing high-concentration (10-55 wt %) colloidal silica by reacting water with a tetraalkyl orthosilicate (TMOS), tetraethyl orthosilicate (TEOS) based silane precursor as a starting material in the presence of a basic catalyst.

Abstract: A dehydrogenation reaction apparatus includes a dehydrogenation reactor having a reaction vessel that stores a chemical hydride; and a methane generator that converts carbon monoxide generated in the dehydrogenation reactor into methane.

Abstract: Disclosed is a recycling apparatus for a cross-linked polyethylene resin using a twin screw extruder. The recycling apparatus for a cross-linked polyethylene resin using a twin screw extruder according to an embodiment of the present disclosure includes: a raw material supply unit configured to supply a raw material that is a cross-linked polyethylene resin; and a twin screw extruder configured to receive the raw material from the raw material supply unit, the twin screw extruder including a cylinder and a twin screw installed inside the cylinder to rotate in the same direction, the twin screw extruder being configured to de-crosslink and recycle the raw material under a de-crosslinking reaction temperature and reaction pressure atmosphere while continuously transporting the raw material along the twin screw by the rotation of the twin screw.