Abstract: There is provided an electroencephalogram (EEG) signal amplifier for boosting impedance in an analog front end (AFE). The EEG signal amplifier includes a first feedback loop configured to amplify an EEG signal, a second feedback loop connected to the first feedback loop and configured to amplify an input impedance, and an attenuator included in the second feedback loop.

Abstract: A biosensor using an array antenna includes: at least two antenna elements that are spaced apart from each other along the lateral circumference of an object, radiate electromagnetic waves having a directivity toward the inside of the object, and receive a scattered electromagnetic field; a signal generator for generating a feed signal with a frequency sweep; a phase shifter for adjusting the phase of the feed signal and transmitting the feed signal to the at least two antenna elements; and a controller for detecting the location of a target part inside the object based on the scattered electromagnetic field received in response to the radiated electromagnetic waves by sweeping the frequency and phase of the feed signal.

Abstract: A two-degree-of-freedom decoupled transmission apparatus for a spatial adhesion pawl mainly includes a tangential loading transmission mechanism and a normal de-adhesion transmission mechanism. The tangential loading transmission mechanism adopts a bevel gear pair, such that the tangential loading transmission mechanism is arranged in a bending manner, and a tangential loading motor of the tangential loading transmission mechanism is collected inside the apparatus. The tangential loading motor is connected to a cam pull plate through the bevel gear pair, a worm gear reducer and a key, and drive the cam pull plate to rotate around a central shaft of an adhesion apparatus. Six transmission bolts on six adhesion units are respectively driven through six cam grooves on the cam pull plate to simultaneously perform centripetal driving on the adhesion units with a further increased force, so as to realize tangential and centripetal loading of the adhesion units.

Abstract: An excellent photosensitivity is exhibited by a protein including, at a position or positions corresponding to one or two or more positions selected from the group made of the following (1) to (3) in a first amino acid sequence represented by SEQ ID NO: 1: (1) positions 39, 94, 98, 102, 110, 113, 114, 162, 224, 225, 230, 231, and 235, (2) positions 53, 61, 68, 74, 76, 80, 130, 137, 194, 195, 198, 200, 204, 205, 209, 210, 253, and 254, and (3) positions 46, 83, 84, 87, 90, 91, 116, 117, 120, 124, 139, 142, 143, 146, 173, 214, 216, 217, 238, 242, and 245, an amino acid residue different from that in the first amino acid sequence, and that has channel activity.

Abstract: An antenna device includes: a first and a second conductive wire; a third and a fourth conductive wire which are disposed along a part of the boundary of a second area on a second plane parallel to and spaced apart from the first plane while being spaced apart from each other; a fifth and a sixth conductive wire which are disposed along a part of the boundary of a third area on a third plane parallel to and spaced apart from the second plane while being spaced apart from each other; connection parts connecting the second conductive wires.

Abstract: A polyvinylidene fluoride film composition and a polyvinylidene fluoride isolation film are provided. The polyvinylidene fluoride film composition includes a polyvinylidene fluoride, a polyetherimide, and a polyether-type nonionic surfactant. The weight ratio of the polyvinylidene fluoride to the polyetherimide is 1:1 to 19:1, and the content of the polyether-type nonionic surfactant is 0.10% to 10% by weight based on a total of 100% by weight of the polyvinylidene fluoride film composition.

Abstract: A periodically poled microring resonator structure, a method for fabrication of the periodically poled microring resonator structure, and a method to achieve giant single-photon nonlinearity are disclosed. The strong single-photon nonlinearity in the microring resonator structure is achieved through its optimized design and fabrication procedures.

Abstract: A solar cell device having a solid state light absorber region that incorporates a donor-acceptor particle structure. The particle structure includes acceptor particles that generate a flow of electrons in the solid state light absorber region in response to absorbed photons; and donor particles comprising a phosphorescent material, wherein each donor particle is coupled to a group of acceptor particles, and wherein the phosphorescent material absorbs high energy photons and emits lower energy photons that are absorbed by the acceptor particles.

Abstract: There is provided a cloud management method and apparatus for performing load balancing so as to make a service in a cluster that is geographically close in an associative container environment and has a good resource current status. The cloud management method according to an embodiment includes: monitoring, by a cloud management apparatus, available resource current statuses of a plurality of clusters, and selecting a cluster that owns a first service supported by a first cluster an available resource rate of which is less than a threshold value; calculating, by the cloud management apparatus, scores regarding an available resource current status and geographical proximity of each cluster; and performing, by the cloud management apparatus, load balancing of the first service, based on a result of calculating the scores.

Abstract: A cubic cyclodextrin framework-RGD composition (RGD-COF) and a preparation method therefor. Specifically, the cyclodextrin framework-RGD composition contains a cyclodextrin framework (COF) having a cubic structure and RGD, and can escape from phagocytosis and clearance of macrophages, enhance migration and adhesiveness to damaged blood vessels, and efficiently target and aggregate activated platelets at damaged blood vessel sites, having application prospects on targeted diagnosis and treatment of diseases associated with uncontrolled hemorrhage, atherosclerosis and cerebral apoplexy. By utilizing the advantage that a cyclodextrin-metal organic framework (CD-MOF) has controllable dimensions, a cubic cyclodextrin framework-RGD composition for nanoscale intravenous injection or microscale topically external use is provided.

Abstract: A method of thermodynamic assessment of flow through a turbomachine having a compressor, comprising: receiving sensor readings from a plurality of acoustic sensors located about an intake for the turbomachine upstream of the compressor; and receiving pressure and stagnation temperature readings for the flow into the intake. A static temperature is determined for the flow into the intake and an average velocity of the flow over a flow area of the intake upstream of the compressor using the acoustic sensor readings. A mass flow rate of the flow through the intake is determined using the average velocity of the flow and the stagnation pressure.

Abstract: The present disclosure relates to a method for determining initiation positions of fretting fatigue cracks. The processed inner circular hole test workpiece is placed on a stage of an optical microscope, wherein the inner hole surface to be measured is perpendicular to the scanning beam direction of the microscope; measurement is performed along the real contact orientation between the inner hole surface of the inner circular hole test workpiece and the pin shaft. From the measured surface morphology and profile image, rectangular target areas with a coverage rate of 75%˜90%, and the amplitude distribution function, surface skewness and surface kurtosis values of the respective surface profiles are extracted from the target areas. By comparing the positive/negative of and the magnitude of the skewness and kurtosis values measured in the target areas, the side where the initiation position of fretting fatigue cracks is located can be determined.

Abstract: A composition is provided for promoting skeletal muscle oxidative muscle fiber generation. The composition comprises a Lycium barbarum water extract. The Lycium barbarum extract comprises polysaccharide, Lycium barbarum flavone, carotenoid, polyphenol, and Lycium barbarum pigment. The composition may further comprise one or more pharmaceutically acceptable excipients selected from such as a solvent, a co-solvent, an emulsifier, a preservative, a buffer, a protein powder, or a combination thereof. The composition may be used as medicine, functional product, or food supplement.

Abstract: Described herein are methods and compositions related to a method of treating a neurodevelopmental disorder in a subject in need thereof, the method comprises administering to the subject an agent that increases the level or activity of interleukin-17a (IL-17a) in the brain. The method can further comprise administering an agent that increases the permeability of the blood brain barrier.

Abstract: A digital-to-analog converter (“DAC”) converts digital image data into analog image signals. The DAC includes a stage outputting different voltages to a first output terminal and a second output terminal based on a voltage supplied to a first input terminal, a voltage supplied to a second input terminal, and a first input bit. The stage includes a switch circuit including switches that are alternately turned on by a control signal, and outputting an intermediate output voltage to a third output terminal based on a first input voltage supplied to the first input terminal and a second input voltage supplied to the second input terminal, and a selector outputting one of the first input voltage and the second input voltage, and the intermediate output voltage.

Abstract: Provided are a polygon mirror assembly and a scan device. A polygon mirror assembly includes: a polygon mirror including a plurality of reflection surfaces spaced apart from a rotation axis by a predetermined distance; a first motor for rotating the polygon mirror around the rotation axis; a second motor for moving the polygon mirror in a first axial direction such that the rotation axis is tilted while the first motor rotates the polygon mirror; and a clock signal extraction surface for extracting a clock signal for detecting a change in a rotational speed of the first motor.

Abstract: The present invention provides an artifactless superelastic alloy including a Au—Cu—Al alloy, the superelastic alloy containing Cu in an amount of 20 atom % or more and 40 atom % or less, Al in an amount of 15 atom % or more and 25 atom % or less, and Au as a balance, the superelastic alloy having a bulk magnetic susceptibility of ?24 ppm or more and 6 ppm or less. The Ni-free superelastic alloy of the present invention is capable of exhibiting superelasticity in a normal temperature range, and hardly generated artifacts in a magnetic field environment. The alloy can be produced by setting a casting time in a melting and casting step to a fixed time, and hot-pressing an alloy after casting to make material structures homogeneous.

Abstract: The present invention provides compositions comprising ?-hydroxybutyrate, cyclic or linear ?-hydroxybutyrate oligomers, and/or ?-hydroxybutyrate ester derivatives, or pharmaceutically-acceptable salts thereof. In various embodiments, the compositions are encapsulated by nanoparticles, such as nanoparticles comprising, e.g., poly(lactic-co-glycolic acid). In additional embodiments, the invention provides methods of using such compositions to induce intestinal stem cell regeneration and/or treat radiation-induced intestinal damage in a subject.

Abstract: Isolated monoclonal antibodies which bind to Zika virus envelope protein and related antibody-based compositions and molecules are disclosed. Also disclosed are therapeutic and diagnostic methods for using the antibodies.

Abstract: A preparation method of lithium hydroxide includes the following steps: A. coprecipitating a lithium extraction mother solution of salt lake brine with an aluminum salt solution and a sodium hydroxide solution, aging and then performing solid-liquid separation, washing and drying to obtain lithium aluminum hydrotalcite; B. acidifying the lithium aluminum hydrotalcite to obtain a lithium aluminate solution; C. performing nanofiltration on the lithium aluminate solution for lithium-aluminum separation, and sequentially performing primary concentration by reverse osmosis to obtain a primary concentrated lithium-rich solution; D. deeply removing aluminum from the lithium-rich solution to obtain an aluminum-removed lithium-rich solution; E. performing bipolar membrane electrodialysis on the aluminum-removed lithium-rich solution to obtain a secondary concentrated lithium-rich solution; F. evaporating the secondary concentrated lithium-rich solution for concentration to obtain lithium hydroxide.