281 results about "Screen test" patented technology

Peptides able to inhibit or activate the translocation or function of δPKC are identified. Administration of the peptides for protection or enhancement of cell damage due to ischemia is described. Therapeutic methods to reduce damage to cells or to enhance damage to cells due to ischemia are also described, as well as methods for screening test compounds for δPKC-selective agonists and antagonists.

A monoclonal antibody, 3E10, and active fragments thereof that selectively are transported in vivo to the nucleus of mammalian cells without cytotoxic effect are provided. The antibody and other molecules that bind to a variant of myosin IIb heavy chain found in the nucleus of skeletal muscle cells are useful as a non-viral delivery vector to target skeletal muscle in vivo. By contrast, in vitro the monoclonal antibody penetrates and is transported to the nucleus of multiple cell lines derived from different tissue types and can be used in screening tests to identify molecules that modulate growth of cells, such as cancer cells. Non-cytotoxic vectors for delivering a drug, polynucleotide or polypeptide selectively to skeletal muscle cells are also provided.

A system for detecting a screening-test error includes a measurement device that measures at least one performance parameter related to at least one screening-test task and a computational device, in communication with the measurement device. The computational device receives the at least one measured performance parameter, calculates at least one performance statistical quantity characterizing the measured performance parameter, and compares the at least one performance statistical quantity to at least one reference statistical quantity associated with an error-free screening test. In accordance with a related embodiment, the system may further include a display device that displays the extent to which the at least one performance statistical quantity differs from the at least one reference statistical quantity.

A Defect Leakage Screen Test apparatus and method is introduced to eliminate or reduce steps in the failure analysis process of memory devices, such as DRAM cells, or to eliminate the necessity for the application of a physical failure analysis on the memory device.Special single bit failures due to leakage current, junction current, or threshold leakage current, are characterized by varying the p-well voltage of the memory device during the read operation of the test.The p-well voltage is varied with a test code Initial Program Load (IPL). Additional logic is provided on the memory IC to decode the IPL logic signals.In order to perform the p-well varying test, the memory device is provided with the following: IPL decoding logic; a reference voltage generator; an IPL voltage reference multiplexor; a p-well voltage feed-back circuit; and a differential amplifier circuit.

The invention discloses a method for robustly and optimally operating micro-grids on the basis of orthogonal arrays. The method includes steps of extracting static data of micro grid architectures, power types, operation costs of the power types, energy storage system unit operation cots, interaction costs, time-of-use electricity prices and the like; building micro-grid uncertainty set models; screening test scenarios; building micro-grid robust and optimal operation models on the basis of the orthogonal arrays and designing solution strategies on the basis of the test scenarios so as to obtain ultimate micro-grid robust and optimal operation schemes. The method has the advantages that the grid-connection micro-grids with consideration of output of renewable energy distributed power sources and load demand uncertainty can be optimally operated by the aid of the method, and dispatching reference can be provided for operation personnel of the micro-grids.

The invention provides novel polypeptides which are associated with the transcription complex NF-AT, polynucleotides encoding such polypeptides, antibodies which are reactive with such polypeptides, polynucleotide hybridization probes and PCR amplification probes for detecting polynucleotides which encode such polypeptides, transgenes which encode such polypeptides, homologous targeting constructs that encode such polypeptides and / or homologously integrate in or near endogenous genes encoding such polypeptides, nonhuman transgenic animals which comprise functionally disrupted endogenous genes that normally encode such polypeptides, and transgenic nonhuman animals which comprise transgenes encoding such polypeptides. The invention also provides methods for detecting T cells (including activated T cells) in a cellular sample, methods for treating hyperactive or hypoactive T cell conditions, methods for screening for immunomodulatory agents, methods for diagnostic staging of lymphocyte differentiation, methods for producing NF-AT proteins for use as research or diagnostic reagents, methods for producing antibodies reactive with the novel polypeptides, and methods for producing transgenic nonhuman animals. Also included are methods and agents for activation of NF-AT dependent transcription, including agents which interfere with the production, modification of nuclear or cytoplasmic subunits, or the nuclear import of the cytoplasmic subunits. In particular, screening tests for novel immunosuppressants are provided based upon the ability of NF-AT to activate transcription.

The present invention provides a series of methods, compositions, and articles for altering a property of a surface (for example, the cytophilicity and / or the hydrophilicity), by exposing at least a portion of the surface to a non-chemical, force-creating field and / or force, such as an electric field. The field / force may be created by any suitable technique. For instance, the field can be created by applying a voltage across the surface, by electrical induction, etc. In certain embodiments, the surface includes molecules attached thereto that can be detached when exposed to non-chemical, force-creating fields and / or forces, thereby altering the chemical composition of at least a portion of the surface. In one set of embodiments, the molecules attached to the surface may include molecules forming a self-assembled monolayer on the surface. In some embodiments, the molecules attached to the surface may include thiol moieties (e.g., as in an alkanethiol), by which the molecule can become attached to the surface. In certain cases, the molecules may be terminated at the unattached end with one or more hydrophilic groups, for example, unmodified ethylene glycol moieties. In some cases, the molecules attached to the surface may include one or more moieties that can bind to various entities such as proteins, peptides, nucleic acids, drugs, cells, etc. In certain embodiments, the techniques are used to enable novel assays for cell motility and / or spreading and screening tests for determining drugs and / or treatments effective in increasing or decreasing cell shape changes and / or motility on surfaces.

The invention relates to a hereditable deafness susceptibility gene screen test kit. The kit uses mutation from C to T of 1,494 locus of a 12s rRNA gene, mutation from A to G of 1,555 locus of the 12srRNA gene, mutation from A to G of IVS7(-2) locus of an SLC26A4 gene and C(+ / -) of 235 locus of a GJB2 gene as detecting objects, designs and optimizes a set of specific primers respectively againsteach locus to be tested according to the PCR technical principle of a tetra-primer amplification refractory mutation system, amplifies the whole set of the primers in the same reaction tube, and performs primary multiple PCR amplification and primary gel electrophoresis on the four reaction tubes to obtain gene types of four loci simultaneously.

In an effort to reduce employer health insurance related costs, a state-governed fully-insured health insurance policy is provided for a group of employees. At least one benefit under the health insurance policy is conditional on the employee voluntarily participating in a wellness program. The wellness program could include wellness categories such as a tobacco free category, normal blood pressure category, regular exercise category and even a non-overweight category. In addition, the wellness program could condition coverage, or subsidize deductibles for, certain illnesses on employee submission to screening tests on a prescribed basis for the identified illness, such as cancer screening for early detection of cancer. The voluntary wellness program can also include a variety of other aspects including wellness education, disease inoculation, and injury prevention. The invention provides an incentive for employees to make healthier lifestyle choices.

The present invention provides methods, compositions, substrates, and kits useful for analyzing the metabolic activity in cells, tissue, and animals and for screening test compounds for their effect on cytochrome P450 activity. In particular, a one-step and two-step methods using luminogenic molecules, e.g. luciferin or coelenterazines, that are cytochrome P450 substrates and that are also bioluminescent enzyme, e.g., luciferase, pro-substrates are provided. Upon addition of the luciferin derivative or other luminogenic molecule into a P450 reaction, the P450 enzyme metabolizes the molecule into a bioluminescent enzyme substrate, e.g., luciferin and / or luciferin derivative metabolite, in a P450 reaction. The resulting metabolite(s) serves as a substrate of the bioluminescent enzyme, e.g., luciferase, in a second light-generating reaction. Luminescent cytochrome P450 assays with low background signals and high sensitivity are disclosed and isoform selectivity is demonstrated. The present invention also provides an improved method for performing luciferase reactions which employs added pyrophosphatase to remove inorganic pyrophosphate, a luciferase inhibitor which may be present in the reaction mixture as a contaminant or may be generated during the reaction. The present method further provides a method for stabilizing and prolonging the luminescent signal in a luciferase-based assay using luciferase stabilizing agents such as reversible luciferase inhibitors.

The invention provides a flat television distribution screen device which includes a communication module, a command analysis module, an image generating module, a time sequence generating module, a cache module and an encoding module, wherein, the communication module is used for receiving distribution screen testing control command and transmitting the command to the command analysis module; the command module is used for analysing the distribution screen testing control command, and generating video time sequence according with analysed result; the image generating module generates image information according with indication of the command analysis module and the time sequence generating module; the cache module is used for caching image information generated by the image generating module; the encoding module is used for encoding the image information and transmitting to the flat display.

The present invention relates to methods of determining a cancer treatment prognosis for a subject in need thereof by evaluating epigenetic and genetic changes within a tumor sample from the subject. The present invention further provides methods of treating cancer in a subject by evaluating epigenetic and genetic changes within a tumor sample from the subject. In addition, the present invention provides methods of screening test agents to identify agents that decrease tumor cell plasticity.

The present invention provides nitrogen heterocyclic compounds, compositions, and methods for controlling biofilms, i.e., disrupting biofilms, preventing biofilm formation, enhancing biofilms, or modifying biofilms. Methods for screening test compounds for control of biofilms and devices for use therein are also provided.

The invention provides a method for testing capacitive touch screens, comprising a novel method for integrated circuit (IC) function test, power consumption test, short circuit test and open test. The invention also provides testing equipment for capacitive touch screens, comprising a screen testing plate and a circuit detecting plate. The screen testing plate comprises a metal cylinder and a screen positioning groove; the metal cylinder is closely pressed against the screen testing plate and two ends of the metal cylinder are respectively placed at two sides of the screen positioning groove; the circuit detecting plate comprises a power supply module, a liquid crystal display (LCD) display module, a power consumption detecting module, a testing plate connecting terminal, a microprogrammed control unit (MCU) control module and an IC chip module. The testing plate connecting terminal is connected with a testing interface of the screen testing plate. The method and the equipment which integrate the short circuit test, the open test, the IC function test and the power consumption test can be used for detection of multiple performances and lines of capacitive touch screens; and the metal cylinder is used for simultaneous one-time detection for a row of sensors, which greatly enhances detection efficiency.

A system for detecting a screening-test error includes a measurement device that measures at least one performance parameter related to at least one screening-test task and a computational device, in communication with the measurement device. The computational device receives the at least one measured performance parameter, calculates at least one performance statistical quantity characterizing the measured performance parameter, and compares the at least one performance statistical quantity to at least one reference statistical quantity associated with an error-free screening test. In accordance with a related embodiment, the system may further include a display device that displays the extent to which the at least one performance statistical quantity differs from the at least one reference statistical quantity.

The invention is suitable for the technical field of software testing and provides a method and a device for screening test cases. The method comprises the steps of respectively obtaining test cases associated with code lines, wherein the test cases cover the code lines associated with the test cases; when the code lines are changed, extracting the test cases associated with the code lines. By obtaining the associated relation between the code lines and the test cases, the test cases influenced by code changing can be screened quickly and effectively when codes are changed, regression testing is performed in a targeted mode, execution of a large amount of redundant test cases is avoided, and test time is saved.

Non-volatile latch circuits, such as in memory cells and flip-flops, that are constructed for reliability screening. The non-volatile latch circuits each include ferroelectric capacitors coupled to storage nodes, for example at the outputs of cross-coupled inverters. Separate plate lines are connected to the ferroelectric capacitors of the complementary storage nodes. A time-zero test of the latch stability margin is performed by setting a logic state at the storage nodes, then programming the state into the ferroelectric capacitors by polarization. After power-down, the plate lines are biased with a differential voltage relative to one another, and the latch is then powered up to attempt recall of the programmed state. The differential voltage disturbs the recall, and provides a measure of the cell margin and its later-life reliability.

The invention discloses a three-station DITO full-automatic testing machine and a testing process thereof. The testing machine comprises a feeding part, a testing part and a discharging part. The testing machine disclosed by the invention comprises the following technical steps: product feeding, product taking and product detection, product photographing correction, product function testing, product transferring and defective product screening, product position correcting and discharging, and material tray discharging. According to the testing machine, a plurality of products are loaded in a centralized manner by adopting the material tray, and the loading part and the discharging part are connected to the front end and the back end of the tested part; the material trays of the feeding part and the discharging part are of a circulating flow type structure, meanwhile, the circulating type taking and placing of the products and the material trays are realized, and the material flowing volume is greatly improved through a laminating and conveying mode; and the test part adopts multi-test-station design, the time periods of testing and product taking and placing are effectively utilized, so that uninterrupted lead-out of the test products is realized, and the screen testing efficiency is greatly improved; and single-piece detection, defective product scanning by two-dimensional codes and the like are integrated to realize real-time screening of defective products.

The invention relates to methods for detecting and inhibiting angiogenesis, cell migration, cell adhesion, and / or cell survival in endothelial and non-endothelial cells as well as in normal and tumor cells. The invention further relates to methods for screening test compounds for their ability to inhibit angiogenesis, cell migration, cell adhesion, and / or cell survival.

The invention discloses a signal conversion method and device. According to the method, image data partition processing and field frequency multiplication processing are carried out on a low voltage differential signaling (LVDS) with low resolution and brush frequency output from a traditional image signal source to generate a signal applicable to dot screen test of a V-BY-ONE display module, and thus, the purpose of lighting the V-BY-ONE display modules with resolution of 4k, 8k and 10k, various different display Lane numbers and display screen modes by the existing image signal source is achieved. The device provided by the invention can be used for receiving external configuration through an upper-layer interface module, can be applicable to the V-BY-ONE modules with different resolutions, also can be suitable for the LVDS image signals input from various traditional image signal sources, and has the advantages of simplicity and convenience in operation; on the other hand, the device can be implemented by a field programmable gate array (FPGA) chip, and the technical scheme is flexible; and moreover, the device has the characteristics of relatively low cost and stable working performance.

The invention relates to a method for preparing a liquid porcellanite activating partial thromboplastin (APTT) reagent. The reagent is mainly used for monitoring coagulation factor deficiency of endogenous coagulation systems and carrying out screening test of related inhibitors, and used for detecting coagulation factors, heparin anticoagulation treatment and lupus anticoagulation substances as the current main means. Taking porcellanite as an activating agent, the method improves the sensitivity to the coagulation factors; a novel stable system solves the problem of keeping the stability of the reagent at a liquid state; and the method has the advantages of high sensitivity, convenient use, small experimental error, strong stability, good compatibility, low cost and the like.

The invention provides a screen test system and method. The screen test system shoots a section of video stream, which is displayed by a to-be-tested screen, through a shooting unit and obtains RGB three-primary-color values of all pixel points of a first frame of image in the video stream so as to be compared with a standard image. When the RGB three-primary-color values of all pixel points in the first frame of image meet demands, a second frame of image in the video stream continues to be obtained so as to judge whether displacement difference values of all pixel points of a specific object in the first frame of image meet demands and the displacement difference values of all pixel points of a specific object in two adjacent frames of images are compared so as to judge whether demands are met and when the displacement difference values of all pixel points of the specific object in the two adjacent frames of images meet demands, a tested to-be-tested screen is a non-defective product, or else the to-be-tested screen is a defective product. Therefore, the screen test method is capable of accurately testing whether the to-be-tested screen is defective or not so that the trouble of the prior manual testing of screens is substituted.

The present disclosure relates to biomarker sensor arrays, to circuits including the sensor arrays, to systems including the arrays, and to methods of forming and using the arrays, circuits, and systems. The arrays, circuits, and systems can be used to detect a variety of materials, including chemical, biological, and radioactive materials. The arrays and circuits can be used for, for example, screening tests, disease diagnostics, prognostics and disease monitoring.

The invention discloses an AOD (Aerosol Optical Depth)-based PM2.5 inversion model for a Hangzhou region. A related method includes steps of (1) screening test data of AOD and PM2.5; (2) performing normalization pretreatment on test data used for model calculation; (3) constructing a BP (Back Propagation) neural network model based on AOD test data; (4) verifying the PM2.5 inversion model through AOD test data and performing reverse normalization on the simulation result, so that simulation PM2.5 value is obtained. According to the invention, inversion of PM2.5 of Hangzhou region can be realized based on AOD test data and a self-learning process of sample space can be simulated with high precision through the BP neural network. The inversion model provided by the invention is an effective model capable of improving operation precision.

The invention provides a color management system for liquid crystal displays, which comprises a LCD screen test unit, a positive color gamut mapping unit, a color switching unit, a cross-border processing unit and a reverse color gamut mapping unit. Aiming at the fixtures of the color gamut of a liquid crystal display, the invention provides a method and a fragment simulation algorithm which can clearly describe the mapping model of such kind of equipment between the color gamut of the equipment relative color space and the color gamut of the equipment irrelative color space, thereby effectively improving the accuracy of the color management system in such kind of display equipment; so that the same feeling of colors can be felt from liquid crystal televisions and liquid crystal monitors, which have different photoelectric and color properties.

The invention discloses a power supply test system, which comprises a high-low temperature test box, a program-controlled power supply, a program-controlled load, a channel control card and a data acquisition device, wherein the high-low temperature test box, the program-controlled power supply, the program-controlled load, the channel control card and the data acquisition device are connected with test control equipment via communication interfaces. The invention also discloses a power supply test method. According to the system and the method, mass screening test can be carried out on communication power supplies in a simulated limit working environment, the quality and reliability of communication power supplies leaving the factory can be improved, and a single program-controlled power supply and a single program-controlled load can be used for carrying out screening test on a plurality of communication power supplies.

The embodiment of the invention provides a display panel and a test method of the display panel. The display panel includes a display region and a non-display region; the display region includes a plurality of pixel units, and the non-display region includes a multi-channel selection circuit and a signal input circuit; the multi-channel selection circuit includes a plurality of first switch units and a plurality of data lines, each first switch unit is corresponding to one data line, and each data line is corresponding to a row of the pixel units; and the signal input circuit includes a signal input line and a plurality of short-circuit lines, the signal input line is used for inputting a test signal to the plurality of short-circuit lines, and the short-circuit lines are used for short-connecting the plurality of data lines. The technical scheme can reuse an original circuit of a multiplexer, can avoid a unique circuit and relevant lines which are desired by screen test, and can narrow a frame of the display device.

The invention provides an automatic production line for mobile phone screen testing. The automatic production line comprises a material input mechanism, a feeding capturing device, a feeding transmission device, a transportation manipulator device, a screen detection device, a transit discharging transmission device, a transfer device, a retesting transmission device, and a material output mechanism; the material input mechanism conveys the material to the feeding transmission device through the feeding capturing device, the material on the feeding transmission device is conveyed to the detection device through a transportation manipulator device, the completely detected material on the screen detection device is conveyed to the transit discharging transmission device in order through thetransportation manipulator device; the material on the transit discharging transmission device is respectively conveyed to the retesting transmission device or the material output mechanism through the transfer device; and an artificial retesting station is arranged on a transmission direction of the retesting transmission device. The invention provides an automatic production line for mobile phone screen testing, and the automatic degree of the mobile phone screen testing is improved.

The invention discloses an apparatus for reliability screening, comprising a vibration platform and a bevel clamp, wherein the bevel clamp is fixed on the vibration platform; a movable coil of the vibration platform pushes the bevel clamp to vibrate in a vertical direction; and the bevel of the bevel clamp is inclined to the direction. Besides, the apparatus further comprises a set of rapid temperature change test boxes and an insulating board arranged between the rapid temperature change test box and an electromagnetic vibration platform. Furthermore, the invention also provides a three-dimensional vibration stress test method and a temperature and three-dimensional vibration compound stress test method applying the apparatus. By applying the apparatus and the method for reliability screen test, the invention has remarkable effect; in addition, the apparatus has simple structure and lower cost, and is convenient to promote and use.