Abstract: A method of assaying an analyte in a sample is disclosed. The method includes having a sample holder with a sample contact area for contacting a sample with an analyte, having a plurality of calibration structures on the sample contact area of the sample holder, imaging a part of the sample contact area that has the calibration structures, and using an algorithm that includes an image, calibration structures in the image, and artificial intelligence and/or machine learning to identify the analyte and/or determine the analyte concentration.

Abstract: The present disclosure provides a method for manufacturing a thin film transistor array substrate and a display panel. The method includes: forming a plurality of dispersed metal oxide grains on a substrate; forming an amorphous metal oxide semiconductor layer in contact with the plurality of metal oxide grains, and at least one metal element in the metal oxide grain is same as metal elements in the metal oxide semiconductor layer; performing an annealing process on the amorphous metal oxide semiconductor layer, to obtain a crystallized metal oxide semiconductor layer.

Abstract: An endoscopic device is provided and includes an insertion tube, an imaging assembly, a light guiding component and a light emitting component. The imaging assembly includes a lens set and an image sensor. The lens set is located adjacent to a distal end of the insertion tube. The image sensor is located inside the insertion tube and engaged with the lens set. The light guiding component is located adjacent to the distal end of the insertion tube and beside the lens set. The light guiding component includes an outer end adjacent to the distal end of the insertion tube and an inner end opposite to the outer end. A length of the light guiding component is greater than a length of the imaging assembly. The light emitting component is located inside the insertion tube and adjacent to the inner end of the light guiding component.

Abstract: The invention provides DNA molecules and constructs, and their nucleotide sequences, useful for modulating gene expression in plants, and for specifying intracellular or extracellular localization of a gene product of interest. Transgenic plants, plant cells, plant parts, and seeds, comprising the DNA molecules operably linked to heterologous transcribable polynucleotides are also provided.

Abstract: Antibodies that selectively bind to glycosylated PD-1 relative to unglycosylated PD-1 are provided. In some aspects, PD-1 polypeptides comprising glycosylated amino acid positions are also provided. Methods for making and using such antibodies and polypeptides (e.g., for the treatment of cancer) are also provided.

Abstract: A method for preparing 3,3?-diaminobenzidine, the method comprising the following steps: subjecting 4,4?-biphenol and N,N-dimethylsulfamoyl chloride to an esterification reaction in a specified solvent at 40-70° C. to obtain 4,4?-biphenyl bis(N,N-dimethylaminosulfonate) as a first intermediate; subjecting the 4,4?-biphenyl bis(N,N-dimethylaminosulfonate) to a chlorination reaction with a chlorinating reagent under acidic conditions to obtain 3,3?-dichloro-4,4?-biphenyl bis(N,N-dimethylaminosulfonate) as a second intermediate; subjecting the second intermediate 3,3?-dichloro-4,4?-biphenyl bis(N,N-dimethylaminosulfonate) to an ammonolysis reaction with anammoniation reagent in the presence of a combined catalyst to obtain a crude product of 3,3?,4,4?-tetraaminobiphenyl, wherein the combined catalyst is a mixture of proline, a cuprous salt and a phase transfer catalyst; and subjecting the crude product of 3,3?,4,4?-tetraaminobiphenyl to a post-treatment to obtain a purified 3,3?,4,4?-tetraaminobiphenyl product.

Abstract: Disclosed herein are device and method for performing a total internal reflection scattering (TIRS) measurement to a sample slide. The device comprises a first reflective plate having a first opening; a second reflective plate having second and third openings and disposed on top of the first reflective plate thereby forming a slot therebetween for accommodating the sample slide, wherein the first opening of the first reflective plate is disposed directly underneath the second opening of the second reflective plate; a white light source disposed in the space formed by the third opening of the second reflective plate and configured to emit a white light into the slot; and a first blackout layer disposed on top of the third opening thereby covering the white light source and keeping the emitted white light from leaking. When the sample slide is inserted into the slot, the white light source illuminates the sample slide so as to achieve the TIRS measurement to the sample slide.

Abstract: A backlight module and a display panel are provided. The display panel includes a display panel main body and a backlight module. The backlight module includes a light guide, a first reflector, and a light source. By arranging the light source in a receiving cavity of the light guide, a width of a lamp socket of the backlight module is reduced, and a light effect of the lamp socket of the backlight module is improved.

Abstract: A device occupation method includes a first device that obtains information related to the first device or information related to a second device, where the second device occupies a first to-be-occupied device, and the first device prepares to occupy the first to-be-occupied device, and occupying, by the first device, the first to-be-occupied device when the information matches.

Abstract: Provided are a GPS coordinates-based target overall planning method and a camera. Said method comprises: acquiring the GPS coordinates of each tracking target (S101); for each pre-divided region, counting the number of tracking targets located in the region based on the acquired GPS coordinates of each tracking target (S102); generating a heat map of the tracking targets based on the number of the tracking targets in each region (S103). Hence, in the present method, a device generates a heat map based on the GPS coordinates of tracking targets, and the heat map can reflect the number of the tracking targets in each region, achieving the overall planning of the tracking targets.

Abstract: A working control circuit for an ultrasonic atomizer and an ultrasonic electronic cigarette are disclosed. The working control circuit comprises a power module, a booster circuit, a smoking switch, a controller, a drive circuit, and an LC oscillation circuit. An output end of the booster circuit is also connected to the drive circuit through a voltage regulator circuit. The voltage regulator circuit comprises a first MOS transistor, a first resistor, and a second resistor. A reference level feedback end of the booster circuit is grounded through a third resistor. The voltage output end of the booster circuit is electrically connected to the reference level feedback end of the booster circuit through a fourth resistor.

Abstract: A micro-displacement measurement system having a picometer scale resolution and a measurement method. The measurement system comprises a probe module, a demodulation optical path module, a static lock-in amplification module, an upper computer module, and a micro-displacement drive module. The probe module comprises a measurement FBG sensor, a matching FBG sensor, a precision stainless steel needle tube, and an external support; the demodulation optical path module comprises an ASE broadband light source, a first circulator, a second circulator, and an InGaAs photodetector; the upper computer module comprises a data acquisition card and a computer; and the micro-displacement drive module comprises a piezoelectric ceramic nano-positioner, a piezoelectric ceramic driver, a three-dimensional precision micro-motion platform.

Abstract: Disclosed are a negative electrode plate and a lithium-ion battery including the negative electrode plate. The negative electrode plate of the present disclosure includes a current collector, a negative electrode active layer arranged on at least one functional surface of the current collector, and a lithium source; and the negative electrode active layer includes a negative electrode active material and a polymer, the polymer includes a first structural unit, the first structural unit is selected from an olefin compound containing a substituted or unsubstituted ureido group, and the olefin compound includes at least one cyclic group. The negative electrode plate of the present disclosure can effectively supplement a lithium loss of the lithium-ion battery in an application process, so that initial charge/discharge efficiency and cycling performance of the lithium-ion battery are improved.

Abstract: An anti-cavitation damping composite metal structure for a flow passage component and a preparation method thereof are provided. The preparation method includes: cladding a gradient functional material layer by layer on a substrate of a flow passage component; forming periodic structures on a surface of each layer of the gradient functional material through etching by an ultrafast laser to absorb a part of an impact load energy caused by cavitation of the flow passage component, where the layers of the gradient functional material form a gradient coating with a toughness increasing layer by layer and a hardness decreasing layer by layer from bottom to top; and forming nano twins on a surface layer by a laser shock peening technique, and implanting a residual compressive stress to further improve anti-cavitation resistance of a surface.

Abstract: A method for manufacturing a semiconductor device includes: forming a first waveguide structure and a second waveguide structure on a substrate in which the first waveguide structure and the second waveguide structure is spaced apart from each other by a recess; conformally forming an un-doped dielectric layer to cover the first and second waveguide structures and to form a gap between two corresponding portions of the un-doped dielectric layer laterally covering the first waveguide structure and the second waveguide structure, respectively; and forming a doped filling layer to fill the gap.

Abstract: The present invention discloses a right-angle turning method for small-diameter TBM exploration adit excavation and belongs to the field of geological exploration of water conservancy and hydropower projects.

Abstract: Provided are a terminal control method, system and apparatus, a computer device, and a storage medium. The method comprises: establishing connection with a controlled terminal; acquiring a first interaction interface of the controlled terminal; displaying a second interaction interface, wherein the second interaction interface matches the first interaction interface of the controlled terminal; receiving a touch-control operation of a user on the second interaction interface; according to the touch-control operation, controlling the controlled terminal to perform a touch control response; acquiring a first touch-control response interface of the controlled terminal, wherein the first touch-control response interface is an interface displayed by the controlled terminal after performing a touch control response; and displaying a second touch-control response interface, wherein the second touch-control response interface matches the first touch-control response interface of the controlled terminal.

Abstract: A monitoring system based on a digital converter station includes a first monitoring terminal deployed at a first-level monitoring side, a second monitoring terminal deployed at a second-level monitoring side, and a third monitoring terminal deployed at a third-level monitoring side; the monitoring terminal at each level includes a communication module, a human-machine interaction module, a device status monitoring module, a device alarm management module, a video fusion processing module, and a data transmission adjustment and control module.

Abstract: Embodiments of the present disclosure provide an information processing method and apparatus, and a communication device and a readable storage medium. The information processing method can include receiving first information sent by a network device, wherein the first information is correlated with a signature sequence of uplink data, monitoring transmission data on a shared frequency band resource, wherein the shared frequency band resource comprises a frequency band resource shared by a first UE and a second UE, and determining whether uplink transmission can be performed on the shared frequency band resource according to the correlation between the first information and data transmission features of the second UE on the shared frequency band resource.

Abstract: Provided are a solution detection circuit and apparatus, a driving method and a solution detection method. The solution detection circuit includes at least one detection unit, the detection unit includes an ion-sensitive field-effect transistor, a first reset switch subunit, a synchronous buck switch subunit, a storage capacitor and an output switch subunit. A threshold voltage of the ion-sensitive field-effect transistor can be directly read.