Abstract: Disclosed herein is a meta-muffler for reducing broadband noise. The meta-muffler includes: a flow pipe through which a fluid flows; an outer barrel disposed outside the flow pipe to be spaced apart from the flow pipe; and multiple metastructures arranged in a flow direction of the fluid and each comprising an opening opened parallel to the flow direction of the fluid, a resonance chamber disposed between the flow pipe and the outer barrel and communicating with the flow pipe through the opening, and a neck adjustment member extending from the outer barrel toward the flow pipe to be spaced apart from the opening in the flow direction of the fluid. The meta-muffler can increase transmission loss of noise flowing through the flow pipe through maximization of energy loss of sound waves entering the resonance chamber of the metastructure and can effectively attenuate noise over a wide band ranging from low frequencies to high frequencies.

Abstract: An embodiment of the disclosure provides a plasma coating method of a nanovesicle surface and a plasma jet device for plasma coating of a nanovesicle surface. The plasma coating method of a nanovesicle surface according to an embodiment of the disclosure may be provided as a simple method for changing the surface charge of a nanovesicle from negative to neutral by utilizing the characteristic that when a neutral object meets a negatively charged object, electrons of the neutral object repel electrons of the negatively charged object and the negatively charged object becomes positively charged.

Abstract: A plasma etching method is disclosed. The plasma etching method comprises: a first step of vaporizing liquid perfluoroisopropyl vinylether (PIPVE); a second step of supplying, to a plasma chamber in which an object to be etched is arranged, the vaporized PIPVE and a discharge gas comprising argon gas; and a third step of discharging the discharge gas so as to generate plasma, and using same so as to plasma-etch the object to be etched.

Abstract: Provided is a method of forming an insulating film on a substrate by using atomic layer deposition (ALD). The method of forming an insulating film on a substrate by using ALD includes transferring a deposition-hindering material to the substrate, and depositing a first material layer by transferring a first precursor to the deposition-hindering material, wherein the deposition-hindering material includes an organic ligand, and the first precursor includes an alkoxide ligand.

Abstract: The present invention relates to a dental zirconia material of which the surface is modified by plasma treatment, an implant, and a method for preparing same. The zirconia material and the implant prepared according to the present invention have improved cell adhesion and anti-bacterial effect, and thus can exhibit improved biocompatibility and minimize an inflammatory response of a user and the like.

Abstract: The present invention relates to a pharmaceutical composition for preventing or treating liver cirrhosis comprising Isosakuranetin or a pharmaceutically acceptable salt thereof as an active ingredient, wherein the pharmaceutical composition can inhibit the death of hepatocytes and suppress the increase in GOT, GPT, ALP, or total cholesterol as liver cirrhosis or hepatic fibrosis cells are treated with Isosakuranetin.

Abstract: An apparatus for diagnosing failure of an inverter includes switches coupled to three phases of A, B, and C, respectively. The apparatus also includes a measurer configured to measure each of the output currents of the three phases. The apparatus also includes a comparison processor configured to receive the output currents measured by the measurer and compare the received output currents with a set value. The apparatus also includes a failure determination processor configured to detect a switch having an output current equal to or smaller than the set value based on the comparison performed by the comparison processor to determine the switch as faulty. The failure determination processor is also configured to, upon detecting faulty switch, identify which phase switch is faulty to change the duty ratio of the switch determined to be faulty and to perform phase shift on switches not determined to be faulty.

Abstract: An image rectification system according to an aspect of the inventive concept includes: a distortion characteristic estimation module configured to divide an input image into a plurality of cells and estimate a distortion characteristic of each of the plurality of divided cells; a rectification information generation module configured to generate rectification information for each of the plurality of cells based on estimated distortion characteristic and reference information for rectification; and an image conversion configured to obtain a parameter for rectification for each of the plurality of cells and alignment of rectified cells based on the generated rectification information, and perform rectification on the input image based on the obtained parameter.

Abstract: A network intrusion detection system includes: a data collection unit configured to obtain a dataset for training a plurality of machine learning-based heterogeneous models included in the network intrusion detection system; a clustering module configured to cluster data points included in the obtained dataset; a routing module configured to selectively input the data points into at least one of the plurality of models based on a result of the clustering; and a model training unit configured to define a loss function based on a reconstruction loss of each of the at least one model for an input data point, and perform an update of each of the at least one model so that the defined loss function is minimized, wherein the model training unit sets an anomaly threshold for each of the at least one model based on loss distribution of reconstruction losses for the data points.

Abstract: The present invention relates to a dental titanium material having a surface modified through plasma treatment; an implant; and a preparation method therefor. The titanium material and the implant prepared according to the present invention have improved cell adhesion and antimicrobial effect so that biocompatibility is improved and the inflammatory response of a user and the like can be minimized.

Abstract: The present invention relates to a peptide for detecting CA125 and use thereof and, more specifically, to a peptide for detecting CA125 that specifically binds to CA125 and use thereof for diagnosing ovarian cancer. The peptide that specifically binds to CA125, according to the present invention, can detect CA125 with high sensitivity and accuracy. In addition, when the peptide is expressed in the outer coat of a bacteriophage and constructed into a bacteriophage nano self-assembly, the peptide can conveniently detect CA125 from a sample through observation of a color change with a simple imaging device such as a smartphone, and in particular, the peptide can detect CA125 included in a small amount in saliva, and thus has the advantage of being very effectively used in early diagnosis of ovarian cancer.

Abstract: A method of scoring suspects in a criminal case includes: obtaining a case network including a plurality of case nodes corresponding to a plurality of cases and a plurality of edges connecting different case nodes; obtaining a people network including a plurality of person nodes corresponding to a plurality of people and a plurality of edges connecting different person nodes, constructing a crime network connecting the case network and the people network through a case-person edge based on association information between a case and a person, and scoring candidate suspects using the crime network when information about a new case is obtained.

Abstract: A pixelated monolithic photoplethysmographic (PPG) sensor with a spiking neural network structure and a driving method thereof are disclosed. The pixelated monolithic photoplethysmographic (PPG) sensor according to an exemplary embodiment of the present disclosure includes a plurality of input neurons which generates spike signals and is disposed in at least one of a row direction and a column direction, a plurality of output neurons which adds the spike signals applied from the plurality of input neurons based on the column direction or the row direction and generates an output spike signal when the added result is equal to or higher than a predetermined reference value, and a synchronizer which converts each of the output spike signals into a digital signal.

Abstract: A multi-degree of freedom (DOF) moving stage includes a plurality of joint portions. At least one of the plurality of joint portions has a joint structure including a first flexible member and first and second rigid members, the first and second rigid members being arranged apart from each other with a first gap therebetween such that the first gap exposes a first surface of the first flexible member. Castellated patterns having shapes complementary to each other are respectively provided at a first end portion of the first rigid member adjacent to the first gap and a second end portion of the second rigid member adjacent to the first gap.

Abstract: Disclosed is a plasma etching method including a first step of providing a mixed gas containing argon gas and vaporized 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether having a molecular structure of a following Chemical Formula 1 to a plasma chamber in which an etching target is disposed; and a second step of etching the etching target using plasma generated from the mixed gas:

Abstract: The present disclosure relates to a method of producing octahedral transition metal dichalcogenides, including forming a transition metal layer on a substrate and injecting a chalcogenide-containing gas onto the substrate, on which the transition metal layer has been formed, together with a plasma treatment.

Abstract: A cell-penetrating degrading antibody is disclosed. In the cell-penetrating degrading antibody, U-Box of E3 that can bind to E2 of an ubiquitin-proteasome system (UPS), which is an intracellular protein degradation system, or an E3 recruiter (E3 recruiting ligand) that can bind to E3 of the UPS is fused to a cell-penetrating interfering antibody that penetrates into the cytosol of living cells and specifically recognizes a target protein. A composition containing the cell-penetrating antibody and uses thereof are disclosed.

Abstract: The present invention relates to a peptide for detecting HE4 and use thereof and, more specifically, to a peptide for detecting HE4 that specifically binds to HE4 and use thereof for diagnosing ovarian cancer. The peptide that specifically binds to HE4, according to the present invention, can detect HE4 with high sensitivity and accuracy. In addition, when the peptide is expressed in the outer coat of a bacteriophage and constructed into a bacteriophage nano self-assembly, the peptide can conveniently detect HE4 from a sample through observation of a color change with a simple imaging device such as a smartphone, and in particular, the peptide can detect HE4 included in a small amount in saliva, and thus has the advantage of being very effectively used in early diagnosis of ovarian cancer.

Abstract: Disclosed is the novel use of TRIM24 and RIP3 as biomarkers for diagnosing osteoarthritis, in which it is first identified that TRIM24 and RIP3 can be used as biomarkers for diagnosing osteoarthritis by confirming the tendency of TRIM24 expression to decrease and RIP3 expression to increase at the onset of osteoarthritis. These two proteins are useful in confirming the change in the expression level from the onset of osteoarthritis, thus enabling early diagnosis of osteoarthritis and effectively blocking the progression of osteoarthritis at an early stage.

Abstract: The present invention provides a cell measurement device and method in which retroreflective particles are introduced to measure cells, and thus, an optical signal is obtained without fixing of life activity of cells and performing a separate staining process. An example of the use of retroreflection-based cytometry is evaluation of cell migration. The cells capture the retroreflective particles during cell migration or growth, and migrate in a state that the particles are captured in the cell or bind to the cells. The migrated cells are observed in a form of bright dots inside the cells under irradiation of white light as a non-spectroscopic light source to the cells in the retroreflective optical system. The number of bright spots is counted, and thus, the number of cells and the presence thereof thus can be easily measured based on an image.