120 results about "Reagent strip" patented technology

The utility model relates to the field of microfluidic detection and fluorescence immunoassay, in particular to a portable biochemical blood coagulation and fluorescence immunoassay integrated analysis device, which comprises a shell, a power supply arranged in the shell, two support plates arranged in the shell, a fluorescent bracket fixedly connected to the upper ends of the support plates, a support arranged in the shell, a lamp source arranged at the upper end of the support, and a light source arranged at the lower end of the lamp source. A microfluidic detection module is mounted in the support, a fluorescence immunodetection module is mounted at the upper end of the fluorescence bracket, an optical module is arranged in the fluorescence immunodetection module, and a bar code scanner for confirming information of a detection chip or a reagent strip is arranged on one side of the optical module; compared with the traditional detection equipment with a single function, the double detection functions of biochemistry and fluorescence immunity are realized, the detection efficiency and comprehensiveness are greatly improved, meanwhile, the kit also supports the simultaneous detection of three reagent strips with different specifications, and the flexibility and convenience of the detection are further enhanced.

The disclosure discloses a liquid specimen lysis detection device. The device includes a detection unit, a lysis unit and a detachable limit structure, where the detection unit includes a detection shell, a sample acquisition unit and a detection reagent strip, the lysis unit includes a base, a piercing sleeve, a sealing film and a bottom bottle. The detachable limit structure is installed between the detection unit and the lysis unit to limit the depth of the detection unit inserted into the top opening of the base in the initial state, so as to prevent the piercing sleeve from piercing the sealing film. In the detection state, the detachable limit structure is removed, and the piercing sleeve pierces the sealing film under the push of the plug-in section of the detection shell; the sample acquisition unit extends into the bottom bottle.

The invention discloses a triiodothyronine dissociation agent, a detection kit, a preparation method of the triiodothyronine dissociation agent and application of the triiodothyronine dissociation agent and the detection kit, and the triiodothyronine dissociation agent comprises 10-100 mM of acetic acid-sodium acetate buffer solution, 0.05-1 g / L of ethylene diamine tetraacetic acid disodium salt, 1-10 g / L of perfluoroalkyl ethyl methacrylate, 0.2-1 mL / L of Tween-20 and 0.2-2 mL / L of ProClin 300, the pH (Potential of Hydrogen) of the triiodothyronine dissociation agent is 5.5 + / -1; the kit comprises a triiodothyronine dissociation agent and a reagent strip. According to the present invention, the two sites can be specifically recognized, the sensitivity and the specificity are high, the high-specificity detection on the specific antigen can be achieved, and the low-end sensitivity is high; meanwhile, the interference problem of rare earth europium during detection of triiodothyronine can be solved, and the accuracy of a detection result is further improved.

An optical system for a dry biochemical analyzer. The system consists of a light-source feedback unit, a light-homogenizing illumination light path and a collection light path. The electric current of a light source can be adjusted by means of the light-source feedback unit, such that the intensity of light output by the light source is stable. The system has a simple structure, high adjustment precision and high stability. By means of a multi-channel light-source current driver provided in the light-source feedback unit, rapid switching control over monochromatic light sources with different wavelengths can be realized. By means of the light-homogenizing illumination light path, light-homogenizing processing is performed on incident light beams, such that uniform illumination can be obtained on a dry reagent strip under test, the light path is concise, and a plurality of monochromatic light sources with different wavelengths that are provided off-axis can be overlapped and focused at the same position. The collection light path is configured as a telecentric light path, and a field diaphragm is provided, such that light beams on an entire illuminated surface can be uniformly collected. By using the system, the accuracy of collected reaction light beams corresponding to an object to be tested can be improved, thereby improving the accuracy of a subsequent analysis result of said object.

The embodiment of the utility model provides a biological detection reagent strip storing and pushing device, which relates to the technical field of reagent strip storing and pushing devices, and comprises a reagent strip pushing device and a rotating bin inwards arranged on the front side of the reagent strip pushing device, reagent grooves are evenly distributed in the surface of the rotating wheel, a kit can be placed in the rotating wheel through the reagent grooves, a discharging frame is fixed to one side of the bottom face in the rotating bin, a discharging pipe used for discharging is fixed to the top of the discharging frame, and meanwhile a push rod capable of pushing the kit to move is further arranged on one side of the outer surface of the rotating wheel. And along with rotation of the threaded rod, one end of the push rod pushes the kit to move into the discharging pipe, and then the kit can be conveniently taken out.

The utility model relates to the technical field of biological detection, in particular to a fluorescent PCR (Polymerase Chain Reaction) nucleic acid detection reagent strip for detecting Listeria monocytogenes, which is characterized in that after a sample to be detected is added into the reagent strip through a sample adding hole, the sample flows into a nucleic acid extraction area for nucleic acid extraction, and the extracted nucleic acid enters an amplification reaction area for amplification reaction; when a target nucleic acid sequence is amplified and then enters fluorescence detection to generate a fluorescence signal, a sensor in a fluorescence detection area captures the fluorescence signal in real time and transmits the signal to a control chip, the control chip processes and analyzes data, and a result is transmitted to external equipment (such as a computer, a mobile phone and the like) through a data transmission module. The rapid detection on the listeria monocytogenes is realized. The reagent strip disclosed by the utility model integrates the functions of nucleic acid extraction, amplification reaction and detection, is simple and convenient to operate, does not need complex sample pretreatment and professional experimental equipment, and is suitable for on-site rapid detection and basic application.

The utility model discloses a detector test strip fixing module convenient for non-professionals to use, which relates to the technical field of fast detection detectors and comprises a base and an insertion piece. When the kit is used, the bottom end of a reagent strip is fixed in the fixing groove and is matched with the fixing block to fix the reagent strip, and during detection, the sampling rod punctures the thin sheet A between the solution cavity and the communication cavity from top to bottom, so that a diluent with a sample enters the communication cavity and reaches the other side of the insertion sheet through the through hole; due to the fact that the bottom of the reagent strip is fixed in the fixing groove and makes contact with the diluent passing through the through hole, detection is achieved, the diluent is blocked below the first water blocking baffle and does not make direct contact with other parts of the reagent strip, and the purpose that the diluent gradually seeps to the top of the reagent strip is achieved; and therefore, the operation convenience and the accuracy of a detection result during detection by a non-professional user are further improved.

The invention relates to the technical field of nucleic acid extraction instruments, in particular to a full-automatic nucleic acid extraction instrument, a portal frame module comprises a horizontally arranged portal frame base and a portal frame vertically arranged on the portal frame base, and the portal frame is slidably connected to the portal frame base; an oscillation module, a reagent strip bracket for placing a reagent strip and a reaction tube bracket for placing an eight-row tube are arranged at the upper part of the gantry base; the oscillation module is arranged on the oscillation module gantry base, and cell disruption of the sample is completed by the oscillation module through oscillation movement; one side of the gantry bracket is connected with the extraction module in a vertical sliding manner, and the other side is connected with the pipetting module in a vertical sliding manner; the pipetting module is used for transferring the sample subjected to cell wall breaking into each hole site in the reagent strip; the extraction module is used for extracting nucleic acid from the sample; and the pipetting module is also used for transferring the nucleic acid sample into the eight-row tube. The automation of the whole nucleic acid extraction process is realized.

The application discloses a kind of assembly tooling applied to immune chromatography reagent strip large plate, it is related to biomedical engineering industry technical field, including bottom plate and electric rotary table, the bottom plate top is fixedly connected with numerical control mechanical arm, the electric rotary table top is provided with disc, the disc top is provided with large plate clamping mechanism, by setting large plate clamping mechanism, the sliding slide of loading PVC bottom plate and clamping block will go along with the centrifugal force that rotates and is outward synchronous disc outer ring sliding, sliding slide slides on sliding strip, so that the clamping block on sliding slide and PVC bottom plate are outwardly slid along with PVC bottom plate, the extrusion force between the pad on PVC bottom plate and clamping block is relieved when being subjected to outward centrifugal force, avoid the problem that the pad on PVC bottom plate slides on clamping block and is warped, and each numerical control mechanical arm is placed on each kind of pad on sliding slide and is vibrated flat, prevent deviation and cause pad to be warped and skew problem when being placed.

The invention provides a progesterone detection reagent strip based on an antibody synergistic effect and a preparation method of the progesterone detection reagent strip. The progesterone detection reagent strip comprises a bottom plate, a sample pad, a combination pad, a nitrocellulose membrane and a water absorption pad, the combination pad is sprayed with fluorescent nano-microspheres coupled with a goat-derived PROG antibody and fluorescent nano-microspheres coupled with a goat anti-rabbit antibody, a detection line of the nitrocellulose membrane is coated with a PROG antigen, and a quality control line of the nitrocellulose membrane is coated with a rabbit anti-goat IgG antibody. According to the progesterone detection reagent strip based on the antibody synergistic effect, the competition method detection principle is adopted, the fluorescent microspheres are used as markers, the progesterone antibody and the fluorescent microspheres are combined in a coupling mode, the specificity and binding efficiency of antigen-antibody reaction are optimized based on the antibody synergistic effect, and the progesterone detection reagent strip can be used for detecting progesterone. The stability and sensitivity of the detection system are remarkably improved, and high-sensitivity and high-specificity detection of the progesterone level in serum or plasma is achieved.

The utility model discloses an allergen-specific IgE antibody detection data acquisition device, and particularly relates to the technical field of specific IgE. The allergen-specific IgE antibody detection data acquisition device comprises a portal frame, a plurality of reagent strip placing frames are arranged on the portal frame in a linear array; the vertical projections of the plurality of reagent strip placing racks are staggered along the width direction of the portal frame and are not overlapped with each other; a window; the camera shooting element is used for detecting the windows on the reagent strip placing frames; and a cleaning assembly. According to the allergen specificity IgE antibody detection data acquisition device, through the arrangement of the cleaning assembly, water stains or mist possibly appearing on the camera element due to water vapor evaporation or sputtering is wiped, it is guaranteed that the camera element is always clear, and due to the fact that the vertical projections of the reagent strip placing frames are arranged in the width direction of the portal frame in a staggered mode and do not overlap, the detection accuracy is improved. Therefore, all the windows are detected by the camera element, mutual shielding of the windows is avoided, and the data acquisition efficiency is improved.

The present invention provides a light-activated lateral flow immunosensor reagent strip, a detection and analysis method, and its application. The reagent strip comprises an electrode substrate, a conjugate pad, a sample backing layer, a chromatographic membrane, and a water-absorbing pad. The sample backing layer, conjugate pad, chromatographic membrane, and water-absorbing pad are connected end to end and sequentially overlapped and affixed to the electrode substrate. The light-activated lateral flow immunosensor reagent strip is used for the quantitative analysis of various disease markers in biological fluids such as blood, saliva, cerebrospinal fluid, or urine.

The utility model relates to technical field of kit, disclose a urine galactose kit with quantitative function for infant, including kit body, the kit body top fixed connection limit frame, through full urine infusion tube screw thread connection to support on, and make scale value and instruction board adhere, again through screw rod rotates on the bearing, and make screw rod drive connecting plate slide on the guide rod, simultaneously connecting rod promotes piston head to move in infusion tube, and make urine in infusion tube drop to reagent strip through dropper and carry out detection, and piston head moves while synchronously driving instruction board moves on scale value to draw urine drop amount, and further improved the precision of urine detection, and solved the problem that because the inconsistent of dropper drop amount, make part originally normal sample of galactose content, because drop amount is too much and shows that galactose concentration is high, appears false positive result, misled the subsequent diagnosis and treatment.

The utility model relates to the technical field of storage devices, and discloses a detection reagent strip storage device which comprises a bottom frame and further comprises a storage frame and an opening and closing assembly, the storage frame is arranged on the bottom frame, partition plates for separating reagent strips are fixedly connected into the storage frame, and the opening and closing assembly is arranged at the top of the storage frame. A sliding block is slidably connected into the storage frame, a fixing block is fixedly connected to the inner side of the sliding block, a first clamping groove is formed in the fixing block, a second clamping groove is formed in the fixing block, and a semicircular block is rotationally connected to the fixing block. The angle of a pressing plate is controlled through a first clamping groove and a second clamping groove, and a sliding block slides in a storage frame, so that the height of the pressing plate is conveniently adjusted, the pressing plate makes contact with the tops of stored detection reagent strips, the detection reagent strips are prevented from shifting, and the storage convenience of the detection reagent strips is improved; secondary arrangement of operators is prevented, so that the storage neatness of the detection reagent strips is improved.

The utility model provides a device for detecting substances in liquid. The device for detecting the substances in the liquid comprises a reagent strip and a first connecting part, a clamping groove and a second connecting part are formed in the first connecting part in the first direction, and a sample adding hole is formed in the second connecting part; a flow guide channel is formed in the second connecting part and located in the second connecting part, the first connecting part can be an insertion plate, and the second connecting part can be a cover sleeve. The insertion plate is inserted into the cover sleeve, the cover sleeve is flatly placed, then a sample is dropped from the sample adding hole, flows into the cover sleeve and flows to the reagent strip along the flow guide surface, so that the sample is absorbed by the glass fiber end on the reagent strip, a liquid storage space is reserved in the cover sleeve, and part of the sample which is not absorbed stays on the flow guide surface and is gradually absorbed by the reagent strip; therefore, the sample can be absorbed by the reagent strip only by adding the sample into the sample adding hole in the cover sleeve once, and the dropwise adding time is short and can be completed within 1-2 seconds.

The utility model relates to the technical field of optical detection, and provides a light path cassette, the light path cassette comprises a seat body, a camera module, a lamp assembly and a detection reagent strip, the seat body is provided with a cassette space and a slot, the seat body is provided with a detection port communicated with the cassette space and the slot, and a shooting hole and a lamp hole communicated with the cassette space; the camera module is arranged on the seat body and covers the shooting hole so as to shoot towards the inside of the cassette space; the lamp assembly is arranged on the base body and covers the lamp hole in a sealing mode so as to irradiate light towards the interior of the cassette space. The detection reagent strip is inserted into the slot and covers the detection opening, the detection reagent strip is provided with a detection window, the detection window is arranged corresponding to the detection opening, and the camera module shoots towards the detection window. The light path cassette forms a closed cassette space, so that the influence of environmental stray light is avoided, and meanwhile, the camera module and the lamp assembly are prevented from being fixed on different accessories respectively, so that accumulated errors such as parts and assembly tolerance are reduced, the light path transmission is more accurate, and the detection result is more accurate.

The invention discloses a universal magnetic nano-enzyme probe for detecting bacteria and viruses, a preparation method, a reagent strip and application, the universal magnetic nano-enzyme probe comprises magnetic Fe3O4 nano-particles and multiple layers of cationic polymer strong positive electricity interlayers loaded on the surfaces of the magnetic Fe3O4 nano-particles, the magnetic Fe3O4 nano-particles serve as inner cores, and the magnetic Fe3O4 nano-particles serve as outer cores. A cationic polymer is used as a connecting layer to adsorb multi-layer small gold iridium alloy nanoparticles (Au (at) Ir), the surfaces of the multi-layer small gold iridium alloy nanoparticles are coupled with wheat germ agglutinin protein molecules, Fe3O4 nanoparticles provide magnetic response ability, and the multi-layer Au (at) Ir provides colorimetric signals, catalytic sites and binding sites. Wheat germ agglutinin (WGA) provides the ability of a label to capture pathogens in a broad spectrum, the Fe-DAu-Ir-WGA probe is combined with an LFA technology, colorimetric signal reading is carried out through ImageJ software, and efficient and ultra-sensitive quantitative detection of multiple pathogens is achieved.

The utility model discloses an HIV (Human Immunodeficiency Virus) antibody detection reagent storage box in the technical field of reagent storage boxes, which comprises a box body, a reagent strip is arranged in an inner cavity of the box body, a box cover is arranged at the top of the box body, clamping mechanisms are arranged on two sides of the box cover, a sample adding port is arranged at the right end of the top of the box cover, and a clamping mechanism is arranged at the right end of the top of the box cover. A plugging mechanism is arranged at the top of the sample adding opening, a preformed hole is formed in the side, away from the sample adding opening, of the top of the box cover, and an observation window is installed in the preformed hole. The kit cover, the kit body, the reagent strip, the sample adding opening and the preformed hole are arranged in a matched manner, so that the reagent strip can be protected during detection, unnecessary pollution caused in the process of waiting for a result is effectively avoided, and the detection accuracy is greatly improved.

The present invention relates to a diagnostic device (D) for detecting and / or identifying a target analyte from a liquid sample, comprising: • a holder (1) with an upper face (2) and a lower face (3), and • at least one reagent strip (4) contained within said holder (1) between said upper face (2) and said lower face (3), said reagent strip (4) comprising a test zone (5) and reagents for detecting and / or identifying said target analyte, said upper face (2) of said holder (1) comprising: - at least one opening (6) arranged to provide access to a deposition zone (7) of said liquid sample, said deposition zone (7) being in fluid communication with said test zone (5) of said reagent strip (4), and - a reading window (F) opening towards said test zone (5) of said reagent strip (4) where the detection and / or identification of said target analyte takes place.said support (1) has at least one break zone (8) designed to give the user access to a free end (4') of said at least one test strip (4).,

The utility model relates to the technical field of medical consumables, in particular to a detection kit capable of quickly replacing reagent strips, which comprises a bottom plate, the device further comprises a detection box and a rapid replacement assembly, the top of the bottom plate is fixedly connected with the detection box, the rapid replacement assembly is arranged outside the detection box, the inner side of the detection box is fixedly connected with a spring plate, the interior of the detection box is slidably connected with a moving plate, and the exterior of the moving plate is fixedly connected with a mounting box. By pressing the pressing block, the sliding plate connected with the bottom is driven by the sliding rod to slide in the fixed plate. The sliding plate moves along the guide groove of the sliding block, drives the sliding block to contract towards the interior of the mounting box, and synchronously drives the limiting block to exit from the through hole of the detection box. At the moment, the locking state of the moving plate is relieved, the moving plate can freely slide along the inner wall of the detection box, the distance between the pushing plate and the spring plate is adjusted to adapt to test tubes of different specifications, the clamping stability during detection is guaranteed, and finally the accuracy of a detection result is improved.

The invention discloses an excrement sampling and detecting device which comprises a sampler for collecting an excrement sample; the sampling sleeve is used for storing treating fluid, one end of the sampling sleeve is provided with an insertion opening for the sampler to be inserted, and the other end of the sampling sleeve is provided with a puncturable membrane; the puncturing device is used for containing the sampling sleeve, a guide column is arranged in the puncturing device in the direction facing the sampling sleeve, a flow guide channel is formed in the surface of the guide column, one end of the flow guide channel is provided with a puncturing component used for puncturing the puncturable membrane, and the other end of the flow guide channel extends to the outer side of the puncturing device; the outer vertical face pipe is used for containing the puncturing device and can collect liquid flowing out of the flow guide channel; the detection end of the reagent strip can be in contact with liquid in the outer vertical face pipe. Sampling, storage, decomposition reaction and detection are integrated, the detection device is easy to operate, the error risk in the detection process is reduced, the sample detection time is shortened, and the detection efficiency is improved.

The application discloses a single-person portion magnetic microparticle chemiluminescence reagent strip, which comprises a reagent strip body and a light measuring unit, the light measuring unit is clamped on the reagent strip body, and the light measuring unit is provided with a light measuring hole and a first substrate hole; the reagent strip body is sequentially provided with a first hole, a second hole, a clamping jaw hole, a third hole, a reaction hole, a fourth hole, a first washing liquid hole and a magnetic bead cleaning hole from the first substrate hole to the other end; the first hole, the second hole, the third hole, the reaction hole and the fourth hole are provided with the same hole outline; and the clamping jaw hole is close to the middle position of the reagent strip body. The light measuring hole is located at the leftmost end of the reagent strip body, so that the reaction reagent is prevented from polluting the light measuring hole in the sample adding and taking process and causing light measuring error, and the reliability of the detection result is improved; the magnetic bead cleaning hole is located at the other end of the reagent strip body, so that the magnetic bead cleaning hole provides a space for the magnet to enter and exit, the adsorption of the magnetic bead in the cleaning process is realized, and the normal performance of the cleaning step is ensured; and the hole outlines of the holes are unified, so that the unified puncture is facilitated.

The utility model relates to a single-person chemiluminescence reagent strip which comprises a connecting plate, a light measuring mounting hole is formed in the end part of one side of the connecting plate, a TIP head mounting hole is formed in the end part of the other side of the connecting plate, a plurality of detection holes are arrayed in the connecting plate along the direction from the TIP head mounting hole to the light measuring mounting hole, and sample accommodating holes are formed in the detection holes relative to the TIP head mounting hole. The TIP head mounting hole, the sample accommodating hole, the plurality of detection holes and the light metering mounting hole are arranged in sequence; a TIP head structure is arranged in the TIP head mounting hole, a test cup body is connected in the photometric mounting hole, the test cup body comprises a photometric matching hole and a uniformly-mixed sample test hole, and the photometric matching hole wraps the uniformly-mixed sample test hole; a reinforcing rib is arranged on the bottom wall of the connecting plate in the direction from the TIP head mounting hole to the light metering mounting hole, and the reinforcing rib penetrates through the central axis of the sample containing hole and the central axis of the multiple detection holes. According to the utility model, the equipment structure is simple, and the TIP head is convenient to install and recycle.

1. Name of the product under this design: Reagent strip. 2. Purpose of this design product: used to load samples and reagents required for testing or experiments. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

This application provides a reagent strip, a capture rod, and a sample analyzer. The reagent strip includes a reagent strip body and a capture rod. The reagent strip body includes a sample chamber, a reagent chamber, and a capture rod chamber. The sample chamber is used to contain a sample. The reagent chamber contains reagents for sample detection. The capture rod chamber is used to hold the capture rod. The capture rod includes an interconnected rod-shaped body and a closed structure. The rod-shaped body includes a first rod segment. One of the cavity wall of the capture rod chamber and the closed structure is provided with a positioning recess, and the other is provided with a positioning protrusion. The opening of the positioning recess faces or is away from the rod-shaped body, and the positioning recess and the positioning protrusion are engaged. The reagent strip of this application utilizes the capture rod's own structure to close the capture rod chamber and also utilizes the engagement of the positioning recess and the positioning protrusion to achieve the positioning of the capture rod. Thus, it is not necessary to configure an additional outer cover for the reagent strip body to position the capture rod, resulting in a simple structure and convenient operation.

The invention relates to the technical field of albumin detection kits, and discloses a urine microalbumin (MALB) detection kit and a preparation method thereof, the urine microalbumin detection kit comprises a urine microalbumin detection reagent strip; the reagent strip comprises a PVC (polyvinyl chloride) bottom plate as well as a sample pad, a combination pad, a nitrocellulose membrane and absorbent paper which are sequentially adhered to the PVC bottom plate; the combination pad contains a mouse anti-albumin monoclonal antibody marked by quantum dots; a detection line and a quality control line are sequentially arranged on the nitrocellulose membrane, the detection line is close to the sample pad, and the quality control line is close to the absorbent paper; the detection line is coated with a urine microalbumin antigen, and the quality control line is coated with goat anti-mouse IgG. The urine microalbumin detection kit is simple in use method, high in accuracy and good in stability, daily quantitative detection of urine microalbumin (MALB) is achieved, the recovery rate ranges from 90% to 110%, the linear range ranges from 5 mg / L to 300 mg / L, the correlation coefficient (r) is not smaller than 0.990, and the intra-batch coefficient of variation (CV) is smaller than 15%.

This invention provides a fully automated homogeneous chemiluminescence real-time detection analyzer and its control method. The analyzer includes: a sample compartment containing multiple sample tubes; a tip head compartment containing multiple tip heads; a reagent strip compartment containing multiple reagent strips; a reaction disk capable of being driven to rotate and having multiple placement positions; a gripper unit capable of gripping a reagent strip delivered from the reagent strip compartment and placing it on a placement position of the reaction disk; and a liquid dispensing unit assembled with a tip head delivered from the tip head compartment, which aspirates the sample from the sample tube delivered from the sample compartment and the reagent from the reagent hole of the reagent strip on the reaction disk, and places the sample and / or reagent into the detection hole of the same reagent strip. This invention greatly simplifies the real-time detection process, enables batch online loading of consumables, reagents, and samples, has a high degree of automation to meet the needs of continuous detection and batch loading, and can achieve unmanned operation, reducing labor costs.

A method and kit for detecting the presence of diesel exhaust fluid in fuel is disclosed. The method includes obtaining a fuel sample, combining the fuel sample with a buffered urease solution to make a test solution, agitating the test solution, allowing the test solution to separate into layers and convert urea to ammonia. The method also includes adjusting a pH of the aqueous layer of the test solution, isolating the aqueous layer, immersing, agitating and then removing a reagent strip, and allowing the aqueous layer to develop a color change for an indication of presence of ammonia from any DEF contamination.

The utility model discloses a kind of pressure holding and discarding module of reagent strip, including support, still including lead screw motor, detection plate and fixed plate, the detection plate is fixed on support, the detection plate is opened with the clamping groove that can make reagent strip from one end translation input and from one side translation output, the detection plate is also opened with let go of mouth, and let go of mouth and clamping groove other side are communicated, the lead screw motor is fixed on detection plate by mounting piece, the fixed plate is connected in the lead screw end portion of lead screw motor, the fixed plate has the spring piece for pressure holding reagent strip on, the fixed plate includes top pressure plate part, side pressure plate part and side push out plate part, the side pressure plate part and side push out plate part are arranged in top pressure plate part both sides respectively.

The present invention discloses an assembly tool and a method for use for large plates of immunochromatographic reagent strips, comprising a base and a film-applying mold, wherein the upper surface of the base is provided with a groove, the film-applying mold is engaged in the groove, buckles are symmetrically provided at both ends of the groove, the inner side of the film-applying mold is provided with no less than a set of bilaterally symmetrical positioning slots, any set of the positioning slots and the buckles are provided correspondingly, and the film-applying mold is provided with a film-applying window. The present invention has a simple structure, and the assembly of large plates of immunochromatographic reagent strips no longer requires manual alignment. Instead, the accessories need only be placed in the mold and pressed, thereby avoiding contact with the nitrocellulose membrane during manual operation. The assembly process is simple and more standardized, which not only improves the efficiency of assembly, but also improves the qualified rate of the finished product. At the same time, it is more tolerant to the age, gender, and vision of the operators, which to a certain extent alleviates the problem of staff turnover on the production line.