88 results about "Screening test" patented technology

The invention provides an unattended environment screening test system and a method thereof. The unattended environment screening test system is composed of environment test equipment, a multi-channel automatic line changing device, test equipment and a management server. Wherein the environment test equipment is used for simulating different temperature, humidity, air pressure and other use environments of a tested product; the multi-channel automatic wire changing device is used for switching test cables so as to realize simultaneous test of a plurality of products; the test equipment is used for detecting detailed performance parameters of the tested product; the management server is used for carrying out centralized management on test equipment, environment test equipment, tested products, test states and the like in a production line, guiding the test equipment and the environment test equipment to carry out automatic testing according to a preset test process, recording the operation condition of each equipment and the process condition of each test task at the same time, and outputting the result. And the test data is stored in a database. The system can effectively reduce the workload of manual operation, and improves the resource utilization rate, the production efficiency, and the automation and informatization level of a production line.

The invention provides a morchella sextelata strain pleurospermum hookeri No.5 and application thereof, and relates to the technical field of strain breeding, the morchella sextelata strain pleurospermum hookeri No.5 is subjected to aerospace carrying to induce genetic variation, then characters capable of being stably inherited are screened out through subculture, and the morchella sextelata strain pleurospermum hookeri No.5 is obtained through fruiting screening test screening. The pleurospermum hookeri

The invention belongs to the technical field of traditional Chinese medicine biology, and particularly relates to application of a phenolic compound in preparation of a medicine for preventing or treating hepatic fibrosis. A pair of phenolic diastereoisomers (+)-fresh bamboo juice phenol C and (-)-fresh bamboo juice phenol C are separated from fresh bamboo juice, and an anti-hepatic fibrosis activity screening test shows that (+)-fresh bamboo juice phenol C has a remarkable inhibition effect on human hepatic stellate cells LX-2, has clinical application potential in anti-hepatic fibrosis treatment, and has broad application prospects. The method can be used for preparing medicines for preventing or treating hepatic fibrosis, and a new basis is provided for pharmacological research of fresh bamboo juice.

The invention provides a Morchella septimelata strain pleurospermum hookeri No.18 and application thereof, and relates to the technical field of strain breeding, the Morchella septimelata strain pleurospermum hookeri No.18 is obtained by space-carrying induced genetic variation, then subculture is carried out to screen out stably inherited characters, and the Morchella septimelata strain pleurospermum hookeri No.18 is screened through a fruiting screening test. According to the method, the hypha adaptability, resistance, harvesting concentration and commercial mushroom quality are remarkably improved, the method can be widely applied to cultivation and production of morchella septimelata, the acre yield of morchella septimelata can be greatly increased, and the method has a wide application prospect.

The present disclosure relates to genetic copy number variation (CNV) detection. Particularly, aspects are directed to sequencing nucleic acid obtained from a biological sample obtained from a subject to generate sequencing data. The sequence reads are ordered by mapping the sequence reads to a reference genome and stored in an ordered format, A global segmentation of the target region is performed based on the stored sequence reads and a set of segments of the target region is identified and used to determine a copy number variation (CNV) metric. A first status of a genetic condition for the subject is determined based on the CNV metric, and a report of the corresponding genetic condition screening test is determined based on the CNV metric and the status.

This method for culturing a cancer organoid includes culturing the cancer organoid on a top surface or inside of a cell structure in a medium not including an extracellular matrix, and the cell structure includes cells constituting stroma, and has two or more cell layers laminated in a thickness direction. A method for screening a test substance includes culturing a cell structure including the cancer organoid obtained by the method for culturing a cancer organoid in a presence of the test substance, and evaluating an effect of the test substance on the cancer organoid.

Provided are diagnostic and / or screening tests, assays and devices for preeclampsia (PE). The diagnostic and / or screening tests, assays and devices include test antibodies for activin A and / or inhibin A. The PE diagnostic and / or screening tests, assays and devices are capable of detecting activin A and / or inhibin A in a sample at a concentration of less than about 60 pg / mL. Corresponding methods of diagnosing and / or screening for PE are provided.

The application belongs to the technical field of biotechnology, and particularly relates to a biomarker for differential diagnosis of severe pulmonary tuberculosis. It is found that the XO content in blood of a severe pulmonary tuberculosis patient is significantly lower than that of a non-severe subject, the area (AUC) under the ROC curve in a screening test is 0.898, and the area (AUC) under the ROC curve in a verification test is 0.904. The application is helpful for early assessment of the condition of a pulmonary tuberculosis patient, and provides a basis for early intervention and comprehensive treatment of severe patients.

The invention belongs to the technical field of agricultural biology, and particularly relates to application of an endoplasmic reticulum protein antioxidant (reducing agent) in prevention and treatment of bombyx mori nuclear polyhedrosis virus. A screening test finds that the related endoplasmic reticulum protein antioxidants beta-mercaptoethanol (BME), dithiothreitol (DTT) and / or tris (2-carboxyethyl) phosphine (TCEP) have the effect of inhibiting the bombyx mori nuclear polyhedrosis virus (BmNPV), and the antioxidants interfere the replication and proliferation of the virus by destroying disulfide bonds in key proteins of the BmNPV, so that the bombyx mori nuclear polyhedrosis virus can be inhibited. The stability and activity of virions are directly influenced, so that the infection of the viruses on the silkworms is inhibited, a brand new thought is provided for the development of antiviral drugs of the silkworms, and the application value is good.

A patient screening system for providing recommendations for screening of a hospitalized patient for risk of developing deep vein thrombosis (DVT) or pulmonary embolism (PE) based on their health records and retinal images, is described herein. The patient screening system may include an optical imaging device for capturing retinal images, and a DVT risk assessment system configured to generate the recommendation for further screening tests. The DVT risk assessment system may implement various AI / ML models trained on a training dataset of anonymized patient data. The patient screening system may also implement detectors for various ophthalmic features correlated with blood clot-related conditions of the patient. Any patient screening based on the recommendation may be followed up, and results of such screening used to improve performance of the patient screening system.

This invention discloses a test case screening method, apparatus, medium, product, and device, comprising: obtaining pre-configured command-line parameters, including a coverage report input path and a screening threshold; reading a coverage report according to the coverage report input path, and extracting the test case name, random seed, and coverage information of each test case in the coverage report; clustering test cases with the same test case name but different random seeds according to the extracted test case name, random seed, and coverage information; obtaining the total contribution of test cases to coverage in each test scenario based on the clustering results of all test cases in the coverage report; and screening test cases according to the screening threshold and the total contribution of test cases to coverage in each test scenario to obtain screening results. This invention can improve the accuracy and efficiency of test case screening results.

The invention relates to a screening test device which comprises a coupler clamp module, a temperature control module, a light source module, a signal detection module and an operation processing module, the temperature control module is connected with the coupler clamp module, the light source module is connected with the coupler clamp module and the signal detection module, and the signal detection module is connected with the coupler clamp module and the operation processing module. The coupler clamp module is used for placing a coupler; the temperature control module detects, controls and displays the temperature; the light source module provides a light source for the coupler; the signal detection module detects the reference light and the light output by the coupler; and the operation processing module is used for calculating the splitting ratio and the additional loss of the coupler and carrying out index interpretation on a calculation result. According to the invention, the problems of long heating and cooling time and low efficiency of the incubator are solved, the temperature can be rapidly and accurately controlled, the test efficiency is greatly improved, the tedious test process is simplified, automatic calculation of coupler parameters is realized, coupler numbers with out-of-tolerance indexes are output, and the coupler screening test efficiency is improved.

The utility model belongs to the technical field of fine aggregate screening test equipment, and particularly relates to a screening device for a civil engineering fine aggregate screening test, which comprises a controller, a base, a mobile platform, a material box bracket, an aggregate box, a lifting unit, an electronic scale, a screening unit and a portal frame, the moving platform and the base form a linear moving pair, and the linear motion of the moving platform is driven by a motor X; the material box bracket and the lifting unit are arranged in the left-right direction and fixedly connected with the movable platform, the material collecting box is arranged on the material box bracket, and the electronic scale is fixedly connected with the lifting end of the lifting unit. The portal frame is fixedly connected with the base, the screening unit is arranged at the top of the portal frame, and the screening unit is located above the material collecting box and the electronic scale; the screening unit comprises a screen seat which is used for placing a standard screen; when the movable platform is located at the right limit position, the material collecting box is located below the screen seat; and when the moving platform is located at the left limit, the electronic scale is located below the screen seat. The technical scheme is time-saving, labor-saving and high in automation degree.

Embodiments directed to a computer-implemented diagnostic system and method to determine various diagnoses for different users, as well as symptom severity and onset of conditions associated with such diagnoses are described. In one example, a computer-implemented method of diagnosing health conditions for users includes identifying a defined linguistic pattern in digital biomarker data of a user. The method further includes prompting the user to perform a defined screening test based at least in part on identifying the defined linguistic pattern. The method further includes monitoring linguistic performance of the user while the user performs the defined screening test. The method further includes determining a diagnosis for the user based at least in part on the defined linguistic pattern, the linguistic performance, and a test result for the user from the defined screening test.

A vision screening device for administering vision screening tests to a patient, and in particular vision screening test(s) to determine the presence of diseases and / or abnormalities in the eye(s) of the patient, is described herein. The vision screening device is used to determine an order for performing various vision screening exams selected by a clinician for a patient in a compact timeframe and reduce time needed for pupil recovery between exams or other delays. The vision screening device captures visible and near infrared reflections from the patient and generates a composite image used for generating suggested diagnoses to a clinician via a display of the vision screening device.

A sample collector for extracting a particulate material specimen from a container includes a needle for puncturing the container and capturing an amount of specimen inside a chamber in mechanical communication with the needle. A spring-loaded continuously and progressively retractable and extendable sheath protects the tip of the needle from inadvertent contact with a human user and encloses the puncture site on the container during collection. A preliminary screening test for illicit substances can be conducted on part of the collected specimen to determine whether the container should be confiscated. Part of the collected specimen can be preserved for later confirmatory testing.

The application discloses a wafer-level adaptive testing method based on double-predictor collaborative decision-making, which comprises the following steps: 1, data preprocessing; 2, screening test items by using an RFECV algorithm; 3, establishing a quality predictor based on test items by using a random forest algorithm; 4, dividing wafer grains into different grades according to BNR, and establishing a quality predictor based on spatial information; 5, clustering wafer grains according to two kinds of prediction results by using a DBSCAN clustering algorithm, dividing wafer grains of different categories into quality grades, and determining the quality of grains of each category successively according to the distribution results of wafer grains of different grade categories. The application can reduce the testing cost of wafers, control testing escape and yield loss at a very low level, and ensure good testing quality.

A vision screening device for administering vision screening tests to a patient, and in particular vision screening test(s) to determine the presence of diseases and / or abnormalities in the eye(s) of the patient, is described herein. The vision screening device includes emitters for emitting near-infrared light and white light from a patient-facing side and includes a sensor to receive reflected light and energy for performing vision screening tests. The received reflected energy comes into ana emission surface and is reflected by a beam splitter to a sensor. The vision screening device includes a first display for displaying digital objects for a vision test and a second display for a clinician to interact. The vision screening device further includes a sensor to aid in proper positioning of a patient during screening.

The invention provides a low-accumulation variety screening test method based on multiple indexes, and relates to the technical field of agricultural planting. The low-accumulation variety screening test method based on multiple indexes comprises test soil selection, test crop variety selection, test design, sample collection and analysis, index determination and analysis and low-accumulation variety screening. According to the invention, a multi-index comprehensive evaluation system (such as a heavy metal enrichment coefficient, a transport coefficient, bio-availability and the like) is established, and a soil-crop-environment interaction model is integrated; heavy metal accumulation trends in different planting periods can be predicted, and a scientific basis is provided for screening out low-accumulation varieties to promote planting and guarantee quality safety of local vegetables and soil environment safety of agricultural land.

The application discloses a kind of fruit-tree borer kills ovicidal reagent standardization high-throughput screening device and method, belong to fruit-tree pest reagent screening test equipment technical field, the fruit-tree borer kills ovicidal reagent standardization high-throughput screening device, including cover frame mechanism, base plate mechanism and flexible imitation production egg membrane mechanism, the cover frame mechanism includes cover frame body, a plurality of flow guide ports are integrally formed on the cover frame body.The application is replaced by flexible imitation production egg membrane mechanism as the structural design of real fruit and is used as oviposition carrier, realizes zero damage egg mass acquisition function, and the natural mortality of insect eggs is greatly reduced, effectively improves the accuracy of efficacy evaluation background, by limiting the surface energy value of oviposition membrane body, and the structure layout of independent reaction cabin is formed by cooperating mesh partition and mesh convex strip separation, the function of reagent contact height consistency is realized, the spreading deviation of liquid medicine caused by the surface tension difference of fruit skin is eliminated, the error of egg particle reagent receiving amount is strictly controlled, and the repeatability of test data is improved.

The application discloses a board card screening device, which comprises a support framework, a support beam installed on the support framework and a screening mechanism installed on the support beam and used for installing a board card; the screening mechanism comprises a board card plug-in structure used for installing the board card and a support beam support installed on the support beam and matched with the board card plug-in structure to be positioned and installed; the board card screening device of the technical scheme is provided with the support beam and the screening mechanism, and when different models of board cards are screened, only the side beam and the support beam support need to be replaced, so that the screening test of multiple different models of board cards can be simultaneously realized in a set of universal screening device, the functions of the modularization, the universality and the reusability of the screening device are realized, and the production cost is reduced.

The invention discloses a circulator power screening test system and a circulator power screening test method, which relate to the transmitter technology, and can achieve the effect of scanning 360-degree phase through a method of connecting a sweep frequency signal source to an input port and connecting an open-circuit cable to an output port, thereby being capable of covering an interval with the maximum electric field intensity, simulating the worst working condition, and improving the reliability of the power screening test. The circulator with the ignition risk is effectively screened out; and the operation process is simplified, and the screening efficiency is improved.

The invention relates to the technical field of biological detection, in particular to a bacterial endotoxin detection method for a disposable liquid storage bag. The bacterial endotoxin test method of the disposable liquid storage bag comprises the following steps: filling water into the disposable liquid storage bag, and then carrying out constant-temperature shaking table treatment to prepare a test solution; performing an interference preliminary screening test on the test solution to determine the minimum non-interference dilution multiple of the test solution; and diluting the test solution by selecting the minimum non-interference dilution multiple determined by the interference preliminary screening test, and then detecting the bacterial endotoxin by adopting a dynamic color development method. According to the bacterial endotoxin detection method for the disposable liquid storage bag, the consumption of adopted key reagents is low, and the cost is remarkably reduced; a matched full-automatic system can detect as many as 19 samples at a time, the detection period is greatly shortened, and the error rate of manual operation is reduced.

Described herein is a visual screening device for performing a visual screening test on a patient to determine the presence or absence of a disease and / or abnormality in an eye of the patient.SOLUTION: The visual screening device may include associated methods and systems configured to perform the operations of the visual screening test. The apparatus may include a radiation source configured to generate near infrared (NIR) radiation, a sensor configured to capture a grayscale image representative of the radiation reflected by the patient's eye, a white light source, and a camera configured to capture a color image of the patient's eye. The apparatus may also be configured to generate a composite image based on the grayscale image and / or the color image, determine a difference between an eye-related value and an expected value, and generate an output indicative of an eye-related condition based on the difference.SELECTED DRAWING: Figure 1

The invention relates to the technical field of power plant chemistry, and discloses a urea hydrolyzer material type selection method and screening device.The type selection method comprises the following steps that a type selection pool of urea hydrolyzer materials is determined; determining screening conditions according to the test requirements of the urea hydrolyzer material; continuously recording the macroscopic morphology change of the test piece of the screening test; on the basis of the macroscopic morphology change, a metallographic microscope is selected to observe the microscopic morphology change of the test piece; and combining the macroscopic morphology change with the morphology change found by adopting a metallographic microscope, and sorting the corrosion performance of the materials in the model selection pool. The invention aims to provide a laboratory research method and a screening device for urea hydrolyzer key component material selection. By adopting the research method and the screening device, the corrosion resistance of different materials can be evaluated, so that the purpose of optimal selection of the materials of the key parts of the urea hydrolyzer is achieved. Compared with industrial tests, the method has obvious advantages of low cost and short period.

A system and method for risk assessment of an individual for autism spectrum disorder (ASD) has been provided. The system is using a non-invasive method for risk assessment of the individual, especially children, for ASD through prediction of metabolic potential of the bacteria residing in gastrointestinal tract of the individual. The system is configured to calculate a score, evaluated from the gut bacterial community's taxonomic abundance profile, which is indicative of its metabolic potential for production of a particular neuroactive compound. A set of metabolic pathways harboured by the bacterial community residing in gut has been utilized to develop an ASD diagnosis scheme that, when applied with the conventional screening tests, help in early diagnosis of the ASD. Further, the present disclosure also provides bacterial community based therapeutic approaches that can potentially minimize the side effects through maintaining the healthy cohort of bacteria in gut.

A method for the in vitro diagnosis of the risk of delayed cerebral ischemia (DCI) following subarachnoid hemorrhage from a ruptured aneurysm (aSAH) which includes the following steps: collection of a blood sample from the patient; quantitative determination of 8-iso-prostaglandin F2α (F2-IsoP) concentration in plasma; comparison of the concentration thereof in plasma with the reference value; collection of at least one further blood sample; quantitative determination of the concentration of endothelial nitric oxide synthase (eNOS) and / or nicotinamide adenine dinucleotide phosphate (NADPH) in plasma; comparison of the concentration thereof in plasma with the reference value; analysis of the obtained results and establishing diagnosis. A marker substance for the in vitro diagnosis of the risk of occurrence of DCI selected from 8-iso-prostaglandin F2α (F2-IsoP), endothelial nitric oxide synthase (eNOS), nicotinamide adenine dinucleotide phosphate (NADPH) and combinations thereof and the use thereof as a screening test for the in vitro diagnosis of DCI following aSAH.

The invention provides a kit and a method for determining the concentration of copper ions in saline water. The kit comprises a masking reagent, a color developing reagent, a standard constant volume reagent and a diluting reagent, the masking reagent comprises a buffer solution, a reducing agent and a masking agent; the color developing reagent comprises a color developing agent and an organic solvent; the Cu < 2 + > content in the standard constant volume reagent is 0; the salinity of the diluting reagent is the same as that of the saline water. According to the kit provided by the invention, through four-dimensional optimization of'sensitivity-interference resistance-convenience-environmental protection ', the problem of pain points of a traditional copper ion detection method in a saline water matrix is solved, and the kit becomes an ideal tool for rapid analysis of copper ions in a high-salt environment; besides, the determination method provided by the invention does not need to be operated by large-scale instruments and equipment and professionals, is simple and convenient to operate, can cope with sudden environmental pollution events or large-scale quality screening detection, and promotes standardization and popularization of an on-site detection technology.

The utility model provides a screening testing device for a crusher, and aims to solve the technical problem that the overall testing efficiency is affected as ores for testing need to be loaded and poured out repeatedly in the current testing mode. The screening test device comprises a base, the top of which is a mounting area and the middle of which is provided with an output channel; the two conveying belts are respectively arranged at the front part and the side part of the base and are vertically arranged on the same horizontal plane; the lifting assembly is located at the ends, close to each other, of the two conveying belts, the bottom of the lifting assembly is an input end and connected with the output ends of the two conveying belts, and the top of the lifting assembly is an output end. One end of the diversion trench is connected with the output end of the lifting assembly, and the other end is arranged above the base; wherein the screening equipment to be tested is mounted on the base and is positioned below the diversion trench. The screening test device has the advantage of high test efficiency.

The present invention discloses a method for processing and detecting a sample. The present invention is based on the addition of a phase separator, a purifier and an extractant to respectively realize extraction and oil removal treatment, solves the difficulty of large conflicts in the extraction and oil removal process due to the large difference in the chemical properties of enrofloxacin, malachite green and diazepam, realizes a four-in-one unified sample pretreatment method of chloramphenicol, diazepam, malachite green and enrofloxacin, and the sample is pretreated once. Relative to the sample pretreatment method of a single compound, under the premise of ensuring high sensitivity, the detection time is greatly shortened, and it is subsequently applicable to the on-site rapid large-scale screening test of the colloidal gold method, and the minimum detection limit of each compound is 0.1μg / kg, 0.5μg / kg, 0.5μg / kg and 2μg / kg, respectively, which meets the accuracy and stability requirements of the detection and is convenient for the detection operation of grassroots personnel.