56 results about "Screening test" patented technology

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.

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.

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.

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 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

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 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.

The invention relates to a screening test method and screening device for solder mask PINs, and the method comprises the steps: forming a rectangular test groove in a flat plate part, and enabling the test groove to penetrate through the flat plate part in the thickness direction of the flat plate part; defining the wide edge of the test groove as a first direction, enabling the thickness direction of the PIN to be parallel to the first direction, and putting the PIN into the test groove; if the PIN nail cannot pass through the test slot, the current PIN nail is qualified; and if so, determining that the product is unqualified. The device is used for executing the screening test method for the solder mask PIN nails so as to screen the solder mask PIN nails. Compared with traditional manual visual detection, the screening and testing method for the solder mask PINs has the advantages that errors and subjectivity of manual visual inspection and manual measurement are avoided, qualified PINs and worn unqualified products can be accurately distinguished, the screening accuracy is higher, and the efficiency is higher.

The application provides a test case screening method and device. When screening test cases in any test project, a first case set corresponding to the test cases to be screened in the test project is acquired first, then test cases meeting interface conditions are screened from the first case set as a second case set according to a preset interface judgment rule, and then test cases meeting flow conditions are screened from the second case set as a third case set according to a preset flow judgment rule. The test cases in the third case set meet both the flow conditions and the interface conditions, that is, the test cases are used more frequently by users. Therefore, the test cases in the third case set are recommended as preferred cases, which can significantly improve the test efficiency.

The invention belongs to the technical field of functional action screening equipment, and provides a functional action screening test method and device, and the method comprises the steps: S1, playing a standard action demonstration video to a subject before a test, and synchronously outputting voice explanation; s2, in the testing process, synchronously collecting multi-source data; s3, based on the multi-source data, identifying relative angles of the trunk and the lower limbs and key joint positions, detecting a ground clearance state or displacement of a supporting part, and judging whether the test auxiliary instrument is kept in a preset posture or not; s4, performing matching with a preset FMS scoring rule base based on a judgment result in the S3, and generating quantitative score and deviation positioning information; and S5, after the test is finished, outputting an evaluation report containing the quantitative score and the deviation positioning information. According to the functional action screening test method and device provided by the invention, the problems of inconsistent evaluation results and low reliability caused by the fact that traditional functional action screening depends on manual visual observation and subjective scoring are solved.

The present invention provides a kit or device for detecting liver cancer, as well as a method for detecting it. [Solution] A liver cancer screening test containing nucleic acids that can specifically bind to miRNA in the subject's sample. A kit or device for use, and a method for measuring the miRNA in vitro. Hmm, a method for detecting liver cancer.

The invention belongs to the technical field of autism screening, and discloses a rapid interactive screening test method for infant autism, which is suitable for Chinese environment infants of 18-36 months old. The method comprises the following steps: determining an adaptive test object, preparing a test, executing an interactive test and scoring according to a sequence that the first three items are fixed and the other items are flexible, adding scores of the nine items, and judging the risk according to the total score. The method can be completed within 5-10 minutes and is adaptive to Chinese culture, equipment is simple, operation is standardized, and the problems that an existing tool is poor in adaptation and low in efficiency are solved; the method is high in accuracy, is suitable for multiple scenes such as communities, can quickly recognize autism risks, and provides support for early intervention of child autism.

The utility model discloses a screening test device for rapidly screening a carbon source in a sewage treatment plant, which belongs to the field of sewage treatment and is characterized in that an opening is formed in the upper end of a reaction bottle; the bottle cap is tightly buckled on the opening of the reaction bottle in a spiral tightening and sealing manner; the nitrogen inlet pipe and the carbon source dosing pipe penetrate through the bottle cap and are arranged in the reaction bottle, the lower end of the nitrogen inlet pipe is located at the bottom in the reaction bottle, and a medicine outlet of the carbon source dosing pipe is located above the liquid level in the reaction bottle; the reaction bottle is arranged on the magnetic stirrer, the magnetic rotor is arranged at the bottom in the reaction bottle, and the magnetic rotor can be driven by the magnetic stirrer to stir mud-water mixed liquid in the reaction bottle; the sampling tube is arranged at the middle lower part of the reaction bottle and is communicated with the interior of the reaction bottle, and a sampling valve is arranged on the sampling tube. The device is convenient to use and operate, and carbon sources with higher cost performance can be quickly and accurately screened out.

The invention discloses a method for testing shear expansion and shear zone evolution of sandy soil, which comprises the following steps of: performing mesoscopic real-time dynamic scanning on a triaxial drainage shearing process of a sandy soil sample by utilizing a CT (Computed Tomography) machine and a triaxial apparatus, and observing the microstructure evolution characteristics of the sandy soil sample to obtain a CT scanning image of a vertical section of the sample; and analyzing the volume change of the sandy soil sample in the triaxial shearing process and the generation and development process of a shearing band. And in combination with the change of the CT value and a screening test, the crushing mechanism of the granular soil and the mixture thereof is analyzed. Research results are expected to provide microstructure test data and theoretical analysis basis for further understanding of a granular soil strength forming mechanism, a shear band forming rule and particle crushing characteristics.

The embodiment of the invention provides an intelligent examination method and device, and the method comprises the steps: receiving test paper parameters of an administrator, carrying out the correlation verification of the test paper parameters and a set teaching outline knowledge graph, obtaining a test paper rule, screening test questions from a preset teaching question bank according to the test paper rule, and determining a corresponding preliminary screening test question set; performing semantic matching on question stem keywords of the preliminary screening test question set and the teaching outline knowledge graph, constructing a secondary screening test question set, performing parameterization screening on the secondary screening test question set according to a project reaction theory to generate final test paper, sending the test paper to an examinee terminal, continuously monitoring the state of an examination network by the examinee terminal, and if the network is interrupted, stopping the examination. If yes, storing the examinee operation data to a local encryption container in a one-way hash chain mode; when the network is reconnected, the one-way hash chain sent by the examinee end is received, whether the one-way hash chain is broken or not is judged, if not, data synchronization is carried out according to the one-way hash chain, and the examination is completed, and the efficiency and accuracy of the examination system can be improved.

The present invention relates to an implant, an ovarian cancer screening test kit comprising same, and an ovarian cancer screening test method using same, thereof wherein the implant is mounted in the uterine cavity so that the working channel maintain a path from the cervix to the fallopian tube for a predetermined period. According to the implant for screening test of ovarian cancer, the screening test kit comprising same, and the ovarian cancer screening test method using same of the present invention, the implant mounted in the uterus can be used to execute the screening test, can simply carry out periodically repeated screening tests to improve the convenience and minimize discomfort for the patient, and can allow both cystoscopy and biopsy.

The utility model discloses a three-chromatography-channel cancer early screening test strip based on exosome protein. The three-chromatography-channel cancer early screening test strip comprises a drainage sheet, the first chromatography channel, the second chromatography channel and the third chromatography channel are arranged around the drainage piece; the first chromatography channel, the second chromatography channel and the third chromatography channel respectively comprise a sample pad, a chromatography film, a water absorption pad and a bottom plate; the chromatographic membrane is coated with the colloidal gold pad, the detection line and the quality control line; the colloidal gold pads of the three chromatography channels are coated with three kinds of gold-labeled antibodies containing different exosome proteins; the detection line is coated with an antibody which is specifically combined with a substance to be detected; and the quality control lines are coated with antibodies which are specifically combined with the corresponding colloidal gold particles. The test strip can be used for detecting three special transmembrane proteins CD63, CD81 and CD9 in the exosome, and further can be used for identifying circulating tumor cells such as gastric cancer, lung cancer, lymph cancer and colorectal cancer. Early screening and early discovery of specific cancer cells can be realized, postoperative rehabilitation monitoring is also facilitated, and the method has a great clinical application space.