14 results about "Fluorescence immunoassay analyzer" patented technology

The invention relates to cryptography and information security, and discloses an RFID card reading anti-channel conflict management system, which comprises an information binding module used for binding an RFID tag protocol of a test reagent card and agent information of a fluorescence immunoassay analyzer corresponding to the test reagent card, and an information encryption module used for encrypting the binding information and sending the encrypted binding information to a server. The encryption protocol data writing module is used for writing the encryption protocol data into the RFID tag of the test reagent card, and the information verification module is used for decrypting the encryption protocol data in the RFID tag and calculating and restoring agent information and a consistency coefficient of the agent information; the execution allowing module is used for increasing the total available test frequency of the fluorescence immunoassay analyzer when the consistency coefficient meets a preset threshold value, and generating a frequency zero clearing instruction of the RFID tag so as to execute frequency zero clearing of the RFID tag; and the execution refusal module is used for generating an execution refusal instruction and unavailability prompt information of the RFID tag when the consistency coefficient does not conform to a preset threshold value. According to the invention, the accuracy of anti-channel conflict management can be improved.

The utility model provides a fluorescence immunoassay analyzer, which is used for detecting a reagent card and comprises an analyzer body and a positioning block, the analyzer body is provided with an inlet / outlet and an accommodating groove communicated with the inlet / outlet; the positioning block is arranged in the accommodating groove in a penetrating manner and is detachably connected to the analyzer body; the positioning block is provided with a clamping groove and an elastic buckle, and the reagent card can move along the clamping groove and is clamped with the elastic buckle. According to the utility model, the positioning block provided with the elastic buckle is detachably connected to the analyzer body, so that when the elastic buckle is subjected to structural fatigue or damage due to frequent insertion and extraction of the reagent card, the analyzer body does not need to be disassembled, and only the positioning block needs to be taken out of the accommodating groove for replacement, thereby simplifying the maintenance process, shortening the maintenance time and improving the maintenance efficiency. The risk of secondary damage to precise detection elements in the analyzer in the disassembling process is also avoided, the maintenance efficiency of equipment is improved, and the service life of the equipment is prolonged.

The invention discloses a handheld fluorescence immunoassay analyzer with a dustproof function, and aims to solve the problem that dust and stains easily enter an existing handheld fluorescence immunoassay analyzer from a test paper insertion hole, so that the accuracy of a detection result is influenced. The analyzer comprises an analyzer body and a test paper insertion hole formed in one end of the analyzer body, a dustproof assembly is arranged at the end, close to the outer side of the analyzer body, of the test paper insertion hole, the dustproof assembly comprises a dustproof plate, a driving part and a stirring part, and the dustproof plate can elastically ascend and descend in the test paper insertion hole. During use, the stirring piece is rotated to drive the driving piece to enable the dustproof plate to open the test paper insertion hole, fingers do not need to contact the dustproof plate, insertion of test paper cannot be hindered, and the test paper insertion hole is closed after detection is completed, so that dust is effectively prevented from entering the analyzer in the detection process and after detection is completed; the accuracy of a detection result is improved.

The invention discloses a fluorescence immunoassay analyzer test fixture and a test method thereof, and belongs to the technical field of medical instrument tests, the fluorescence immunoassay analyzer test fixture comprises a first assembly body and a second assembly body movably connected with the first assembly body; the first assembly body is of a plate-shaped structure, the second assembly body is of a hollow box-shaped structure with a top cover and without a bottom cover, and the first assembly body is matched with the second assembly body; the first assembly body is of a double-layer structure and comprises a bottom plate and a fixing plate arranged on the bottom plate. Wherein the fixing plate is provided with a plurality of fixing grooves and fixing columns which are matched with the fluorescence immunoassay analyzer; clamping grooves matched with the second assembly bodies are further formed in the four corners of the fixing plate. The fluorescence immunoassay analyzer is accurately fixed and positioned through detachable connection of the second assembly body and the first assembly body, and the technical effects of simplifying the test operation process and improving the test stability and safety are achieved.

The application provides a nucleic acid test strip and a detection method for detecting smut genes, and belongs to the technical field of detection. The application comprises a bottom plate, a sample pad and a water absorption pad; an NC film is attached to the bottom plate, the NC film is provided with a T line and a C line, the T line is sprayed with a coupling agent of a capture probe and streptavidin; the C line is sprayed with a coupling agent of a quality control probe and streptavidin; the quality control probe is complementary to a DNA sequence of a DNA1-AgInS2 / ZnS fluorescent probe. The application utilizes the advantages of AgInS2 / ZnS quantum dots (AgInS2 / ZnS QDs), such as good biocompatibility, high fluorescence intensity and wide spectral range. The test strip based on AgInS2 / ZnS quantum dots has higher sensitivity and stronger quantitative capacity than traditional test strips. The fluorescence ratio of the T line and the C line is detected by using a fluorescence immunoassay instrument for quantitative detection, the fluorescence immunoassay instrument can quickly read out the value, and has the advantages of rapidness, simple operation, low sensitivity, good selectivity and the like.

The utility model discloses an optical detection structure and portable fluorescent immunoassay appearance. Optical detection structure includes first seat body, light source structure, second seat body, optical component, and the first seat body is formed with the first light guide hole and is linked with the first light guide hole first light hole, and second seat body is connected with first seat body, and is seted up with the second light guide hole opposite first light guide hole, and the light source structure's luminous part is close to first light hole setting, and optical component is located in first light guide hole and second light guide hole. The utility model integrates light source structure and optical component in one, compared with common 45 degree two -way spectroscope adds filter piece scheme, and the optical part required is less, and the structure is more compact, and the volume of whole optical detection structure is smaller, can be better applicable to portable fluorescent immunoassay appearance, and moreover, assembling is more convenient, can better guarantee the accuracy of the light hole and optical component alignment on light source structure.

The utility model relates to the technical field of quantum dot fluorescence immunoassay analyzers, in particular to a detection platform for a quantum dot fluorescence immunoassay analyzer. The detection platform for the quantum dot fluorescence immunoassay analyzer comprises a detection table and an immunoassay analyzer body mounted on one side of the detection table, and the immunoassay analyzer body is provided with a detection window for placing a sample for detection; the control box is mounted on the other side of the detection table; the stand column is fixedly installed on the detection table and located on one side of the detection window, a sleeve is rotationally installed on the stand column, a hollow annular disc is fixedly installed at the top end of the sleeve, a plurality of through grooves are evenly formed in the annular disc, supporting shafts are rotationally installed in the through grooves through damping sleeve shafts, and bearing blocks are fixedly installed on the supporting shafts; the upper end and the lower end of the bearing block are each provided with a containing assembly used for containing a sample. The detection platform for the quantum dot fluorescence immunoassay analyzer provided by the utility model has the advantage of high efficiency and rapidness in detection.

This invention discloses a fluorescence immunoassay analyzer, belonging to the technical field of fluorescence immunoassay devices, designed to solve the problem of continuous sample injection in existing devices. The fluorescence immunoassay analyzer disclosed in this invention includes: a housing; a rotating sample holder including a rotating stage with at least two sample slots for holding sample tubes, the sample tubes rotating synchronously with the rotating stage; a vortex oscillation mechanism for vortexing and oscillating the sample tubes; a testing mechanism; a transport mechanism for transporting the sample tubes between the rotating sample holder and the vortex oscillation mechanism; and a pipetting mechanism for adding or extracting liquid from the sample tubes. The fluorescence immunoassay analyzer disclosed in this invention includes a rotating stage, allowing the next batch or more batches of sample tubes to be placed on the rotating stage and injected with extraction liquid while the previous batch of sample tubes is vortexed on the vortex oscillation mechanism, achieving continuous sample injection and high detection efficiency.

The invention discloses a method for detecting clothianidin and thiamethoxam in ginger based on quantum dot microsphere fluorescence immunochromatography, and belongs to the technical field of compound detection. The method comprises the following steps: (a) extracting a ginger sample by adopting an acetonitrile solution, and diluting supernate by using a PBS (Phosphate Buffer Solution) to obtain a solution to be detected; (b) dropwise adding a solution to be detected onto the sample pad of the test strip, incubating, reading a fluorescence signal by using a quantum dot microsphere fluorescence immunoassay analyzer, respectively obtaining signal intensities and ratios of detection lines and quality control lines of clothianidin and thiamethoxam, correspondingly substituting the ratios into a clothianidin and thiamethoxam standard curve, and calculating to obtain the content of clothianidin and thiamethoxam. The method disclosed by the invention has the characteristics of uniform sample pretreatment, simplicity, convenience and rapidness in detection, high sensitivity, capability of simultaneously providing quantitative results of two items and the like, and is suitable for on-site screening of large-batch samples.

This utility model relates to the field of fluorescence immunoassay analyzer technology, specifically a reagent card positioning device for a fluorescence immunoassay analyzer. It includes an instrument assembly, a reagent card assembly, and a positioning assembly. The instrument assembly includes an analyzer body, the reagent card assembly includes a reagent card body, and the positioning assembly includes a linkage slide plate and a handle. A groove is formed on the inner side of the front end of the analyzer body, and a positioning inner post is formed on the inner side of the analyzer body. A reagent hole is provided on the inner side of the upper part of the reagent card body, and a positioning inner hole is formed on the inner side of the front wall of the reagent card body. One end of the linkage slide plate is connected to a positioning insertion rod. The analyzer body is designed for fluorescence immunoassay analysis of samples within the reagent card body. The elastic buffer pad absorbs the impact force when the reagent card body is inserted, preventing sample splashing or displacement due to collision within the reagent hole.

1. Name of the product in this design: Handheld Fluorescence Immunoassay Analyzer. 2. Purpose of this design: For the analysis and detection of biological samples. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A multi-channel fluorescence analyzer comprises a card feeding mechanism, a first driving mechanism, a second driving mechanism, an index plate, a guide sliding groove plate and a correlation type photoelectric sensor, and the card feeding mechanism comprises a first push block, a second push block, a third push block, a guide sliding groove piece provided with a first sliding groove and a propelling platform. The first driving mechanism comprises a first motor and a lead screw arranged on an output shaft of the first motor, the first driving mechanism is used for pushing the propelling platform, the second driving mechanism comprises a second motor and a driving gear arranged on an output shaft of the second motor, and the second driving mechanism is used for rotating the index plate. The index plate comprises a clamping position and a coding hole which are arranged on the plate surface on one side and a rotating table which is arranged on the plate surface on the other side and is provided with a driven gear, the guide sliding groove plate is provided with a second sliding groove, a third sliding groove and a fourth sliding groove, and the correlation type photoelectric sensor comprises a transmitting end located on one side of the index plate and a receiving end located on the other side of the index plate.

According to the full-automatic fluorescence immunoassay analyzer, a worker puts sample tubes with tube caps into a test tube rack, then the test tube rack containing a plurality of sample tubes is put into a conveying platform, the analyzer automatically conveys the test tube rack, then the sample tubes are rotated to a set angle by a direction adjusting mechanism, and then a sampling needle penetrates into the sample tubes to extract blood samples; the liquid taking needle also extracts a proper amount of reactant and sends the reactant into the mixing vessel, the mixing needle stirs the mixed liquid and then extracts a certain amount of reactant and drips the reactant into the reagent card, and the reagent card conveying mechanism conveys the reagent card into the reaction bin and sends the reagent card to the reagent card detector after the reaction is finished; the reagent card detector records a detection result and then sends out and collects used reagent cards; meanwhile, the cleaning mechanism is used for cleaning the sampling needle, the liquid taking needle and the mixing needle for next work; all sample tubes on the test tube rack are sent out along the conveying platform after being sampled. The full-automatic fluorescence immunoassay analyzer is high in automation degree, and the operation convenience, accuracy and working efficiency can be improved.

1. Name of the product in this design: Fully Automated Fluorescence Immunoassay Analyzer. 2. Purpose of this design: For the detection and immunoassay of biological samples. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. Part A is made of transparent material.