Abstract: Provided is a method of synthesizing apatite powder by emitting a laser beam to a surface of a substrate immersed in a precursor solution. The method is including immersing a substrate in an apatite-forming precursor solution, emitting a laser beam to a region on a surface of the substrate immersed in the precursor solution, and obtaining apatite powder generated in the precursor solution.

Abstract: The present disclosure relates to a microfluidic device capable of mimicking a biological microenvironment thereby achieving control of a microenvironment with time through control of the diffusion of target elements between chambers by interrupting or generating fluid flow inside a channel, and a method for manufacturing the same, and the microfluidic device according to an aspect of the present disclosure can mimic the biological microenvironment which changes constantly with time via a simple temporary operation of generating or interrupting fluid flow in the channel mechanically and can control diffusion via a simple method, and accordingly, a complicated microenvironment can be reproduced since the number and arrangement of diffusion chambers and channels can be designed variously.

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: Embodiments relate to a method for predicting power generation and remaining useful life to predict operational soundness of a power plant and a system for performing the same, the method including acquiring sensing data from each of a plurality of sensors included in a plurality of systems in the power plant, outputting each of a predicted power generation and a predicted remaining useful life from a measurement value in sensing data of an input sensor through a pre-trained prediction model, assessing the operational soundness in aspect of the power generation and the remaining useful life using a prediction result and a current result in each aspect, and determining the operational soundness of the system based on prediction uncertainty and an assessment result in aspect of the power generation and the remaining useful life.

Abstract: The present specification may provide a novel single-stranded nucleic acid aptamer capable of simultaneous detection of seven Cronobacter species, a composition or kit for multiple detection comprising the aptamer. The novel single-stranded nucleic acid aptamer of the disclosure can bind to all seven reclassified Cronobacter species, which are pathogenic bacteria, with high binding affinity due to its affinity and specificity. Therefore, the seven Cronobacter species can be easily and efficiently multi-detected from the environment where various bacteria are colonized and inhabited, and from contaminated food and water.

Abstract: The present disclosure relates to a method for determining a relative position between arrays of a flexible array device. The flexible array device according to an embodiment includes a plurality of arrays arranged at a predetermined interval in a deformable substrate, and the method includes measuring the first capacitance between adjacent arrays, measuring the second capacitance between the adjacent arrays after deformation of the substrate, and determining a relative position between the adjacent arrays based on the first capacitance measurement value and the second capacitance measurement value. According to an embodiment, the relative position between the arrays may be determined by measuring the capacitance between the adjacent arrays of the plurality of arrays arranged in the deformable substrate and measuring a change in capacitance caused by the deformation (contraction, relaxation, bending) of the substrate.

Abstract: Disclosed are a spinning dope for an aramid and carbon-nanotube composite fiber and a method of manufacturing an aramid and carbon-nanotube composite fiber using the same.

Abstract: The present invention relates to a liver-specific drug delivery carrier comprising a nucleic acid nanoparticle and cholesterol; a liver-specific complex; a pharmaceutical composition for prevention or treatment of liver disease using the same; and a method for preventing or treating liver disease.

Abstract: An upconversion multicolor light-emitting polymer composite implements red, green, and blue colors at wavelengths in each specific region by mixing: an upconversion nanophosphor emitting light in red and blue colors at wavelengths in each specific region by absorbing the infrared light; an upconversion nanophosphor emitting light in green and blue colors at wavelengths in each specific region by absorbing the infrared light; and a polydimethylsiloxane (PDMS) polymer. Accordingly, a volumetric display with excellent color reproducibility may be realized with a simple manufacturing process.

Abstract: The present invention relates to a method for preparing a 3D biological bilayer membrane structure in a physiological buffer solution and a 3D biological bilayer membrane structure using the same, and more particularly, to a method for preparing a 3D biological bilayer membrane structure that is tightly sealed even under physiological ionic conditions by applying pressure during electroformation to improve a membrane fusion function, and a 3D biological bilayer membrane structure using the same.

Abstract: Embodiments relate to a human behavior recognition system using hierarchical class learning considering safety, the human behavior recognition system including a behavior class definer configured to form a plurality of behavior classes by sub-setting a plurality of images each including a subject according to pre-designated behaviors and assign a behavior label to the plurality of images, a safety class definer configured to calculate a safety index for the plurality of images, form a plurality of safety classes by sub-setting the plurality of images based on the safety index, and additionally assign a safety label to the plurality of images, and a trainer configured to train a human recognition model by using the plurality of images defined as hierarchical classes by assigning the behavior label and the safety label as training images.

Abstract: The present disclosure relates to an anode electrode active material for a secondary battery containing nickel cobalt molybdenum oxide, an anode electrode for a secondary battery including the same, a secondary battery including the anode electrode for a secondary battery, and a method for manufacturing the same. The novel anode electrode material for a sodium secondary battery containing nickel cobalt molybdenum oxide according to the present disclosure allows intercalation/deintercalation reaction of sodium ion during charge/discharge and does not undergo significant volume change during the intercalation reaction because structure is maintained stably during repeated charge/discharge. As a result, electrode damage and electric short circuit are decreased and, thus, improved electrochemical characteristics can be achieved in long-life and high-rate capability.

Abstract: A method of fabricating a capacitive micromachined ultrasonic transducer (CMUT) according to one aspect of the present invention may include forming, on a semiconductor substrate, a first region implanted with impurity ions at a first average concentration and a second region implanted with no impurity ions or implanted with the impurity ions at a second average concentration lower than the first average concentration, forming an insulating layer by oxidizing the semiconductor substrate wherein the insulating layer includes a first oxide layer having a first thickness on at least a part of the first region and a second oxide layer having a second thickness smaller than the first thickness on at least a part of the second region, and forming a membrane layer on the insulating layer such that a gap is defined between the second oxide layer and the membrane layer.

Abstract: The present disclosure relates to a transparent luminescent solar concentrator (LSC). The LSC according to an embodiment of the present disclosure includes a polymer resin panel uniformly doped with phosphors. Accordingly, it is possible to greatly improve the transmittance and optical haze compared to the existing LSC manufactured by physically mixing or coating phosphors on the front side of the panel. In addition, it is possible to greatly improve the light collection efficiency of the LSC through the arrangement structure of the solar cells embedded in the polymer resin panel. The polymer resin panel according to an embodiment may be manufactured with flexibility or rigidity according to the purpose of use, and thus can be widely applied to curved structures, for example, building windows, automobile glasses and greenhouse roofs.

Abstract: The present disclosure relates to a hydrogen sensor and a method for manufacturing the same, and more particularly, to a hydrogen sensor having a vertical nanogap structure, in which a nanogap is formed below a sensor portion to bring the sensor portion and an electrode into contact with each other when the sensor portion reacts with hydrogen, so as to allow the sensor portion to expand and contract freely without resistance on a substrate, thereby improving hydrogen sensing accuracy, and it is possible to form a precise nanogap with uniformity and reproducibility at a low cost and a method for manufacturing the same.

Abstract: Disclosed herein are a catalyst for hydrocracking reaction of high molecular weight components in bio-oil, a method for preparing the same and a method for bio-oil upgrading using the same. The catalyst includes a zeolite carrier; and at least one metal selected from the group consisting of nickel (Ni), ruthenium (Ru) and cerium (Ce) supported on the carrier. The catalyst promotes the hydrocracking of high molecular weight compounds contained in the bio-oil, but also inhibits the polymerization reaction of the decomposed product, thereby more effectively enhancing the hydrocracking reaction of the bio-oil.

Abstract: Disclosed herein is a method of printing a nanostructure including: preparing a template substrate on which a pattern is formed; forming a replica pattern having an inverse phase of the pattern by coating a polymer thin film on an upper portion of the template substrate, adhering a thermal release tape to an upper portion of the polymer thin film, and separating the polymer thin film from the template substrate; forming a nanostructure by depositing a functional material on the replica pattern; and printing the nanostructure deposited on the replica pattern to a substrate by positioning the nanostructure on the substrate, applying heat and pressure to the nanostructure, and weakening an adhesive force between the thermal release tape and the replica pattern by the heat.

Abstract: Provided is a method of producing a metal-plastic multi-layered hybrid structure by using laser three-dimensional (3D) printing, the method including printing a metal structure on a substrate by using a first laser, patterning an upper surface of the metal structure by using the first laser, printing a polymer bonding layer on the patterned metal structure by using the first laser, and printing a polymer structure on the polymer bonding layer by using a second laser having a wavelength longer than a wavelength of the first laser, wherein the printing of the polymer bonding layer includes forming an intermediate phase at an interface between the metal structure and the polymer bonding layer. A layered structure produced using the above method may include the intermediate phase having the effect of an oxygen inclusion connecting a metal and a polymer.

Abstract: The present disclosure relates to a spiropyran composite having improved mechano-sensitivity, a method for manufacturing the same, and a chromic article including the same. Particularly, the spiropyran composite is obtained by bonding spiropyran covalently to a polymer, an inorganic material or a mixture thereof to form spiropyran composite, and impregnating the spiropyran composite with a sensitivity-enhancing agent for a suitable time through a wet infiltration process to form non-polar environment at the inner part of the spiropyran composite, to cause pre-stretch and to increase a change in color or fluorescence in response to force, stress or strain, thereby providing significantly improved mechano-sensitivity. In addition, a wet filtration process is used and no expensive equipment is required to simplify the process. Further, the process can be performed rapidly within several minutes to reduce the processing time.

Abstract: Disclosed herein is a method of depositing a transition metal single-atom catalyst including preparing a carbon carrier, and depositing a transition metal single-atom catalyst on the carbon carrier, in which the carbon carrier is surface-treated by an oxidation process, and wherein the deposition is carried out by an arc plasma process.