CN221631445U - Pesticide residue immunochromatography multi-card type rapid detector - Google Patents
Pesticide residue immunochromatography multi-card type rapid detector Download PDFInfo
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- CN221631445U CN221631445U CN202323447777.6U CN202323447777U CN221631445U CN 221631445 U CN221631445 U CN 221631445U CN 202323447777 U CN202323447777 U CN 202323447777U CN 221631445 U CN221631445 U CN 221631445U
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- detection
- box body
- card
- immunochromatographic
- rapid detector
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- 239000000447 pesticide residue Substances 0.000 title claims abstract description 47
- 238000003317 immunochromatography Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 132
- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 239000003153 chemical reaction reagent Substances 0.000 claims description 13
- 241000254173 Coleoptera Species 0.000 claims description 7
- 238000007639 printing Methods 0.000 claims description 3
- 238000003556 assay Methods 0.000 claims 2
- 239000000523 sample Substances 0.000 description 20
- 108010066114 cabin-2 Proteins 0.000 description 7
- QXJKBPAVAHBARF-BETUJISGSA-N procymidone Chemical compound O=C([C@]1(C)C[C@@]1(C1=O)C)N1C1=CC(Cl)=CC(Cl)=C1 QXJKBPAVAHBARF-BETUJISGSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000005944 Chlorpyrifos Substances 0.000 description 2
- SBPBAQFWLVIOKP-UHFFFAOYSA-N chlorpyrifos Chemical compound CCOP(=S)(OCC)OC1=NC(Cl)=C(Cl)C=C1Cl SBPBAQFWLVIOKP-UHFFFAOYSA-N 0.000 description 2
- 238000012864 cross contamination Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000416536 Euproctis pseudoconspersa Species 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 241000233639 Pythium Species 0.000 description 1
- 239000000427 antigen Substances 0.000 description 1
- 102000036639 antigens Human genes 0.000 description 1
- 108091007433 antigens Proteins 0.000 description 1
- DUEPRVBVGDRKAG-UHFFFAOYSA-N carbofuran Chemical compound CNC(=O)OC1=CC=CC2=C1OC(C)(C)C2 DUEPRVBVGDRKAG-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006957 competitive inhibition Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- OEBRKCOSUFCWJD-UHFFFAOYSA-N dichlorvos Chemical compound COP(=O)(OC)OC=C(Cl)Cl OEBRKCOSUFCWJD-UHFFFAOYSA-N 0.000 description 1
- 229950001327 dichlorvos Drugs 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- CETFXLWWGIUWAI-UHFFFAOYSA-M sodium;2-(4-chlorophenoxy)acetate Chemical compound [Na+].[O-]C(=O)COC1=CC=C(Cl)C=C1 CETFXLWWGIUWAI-UHFFFAOYSA-M 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000007651 thermal printing Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model discloses a pesticide residue immunochromatography multi-card type rapid detector, which comprises the following components: the device comprises a box body, a detection cabin, a sliding rail, a detection mechanism, a shooting mechanism and a display mechanism. The detection cabin is arranged in the box body; the sliding rail is arranged on a bottom plate in the detection cabin; the detection mechanism is movably arranged on the sliding rail and is used for placing at least one detection card; the shooting mechanism is arranged on the top of the inside of the detection cabin and is used for shooting the detection card on the detection mechanism; and the display mechanism is arranged at the outer side of the box body, is electrically connected with the shooting mechanism and is used for displaying the detection result. Therefore, the pesticide residue immunochromatography multi-card type rapid detector is simple and reasonable in structure, convenient and accurate in detection, capable of realizing simultaneous interpretation and detection of multiple samples and multiple items, and high in detection efficiency.
Description
Technical Field
The utility model relates to the technical field of pesticide residue detection, in particular to a pesticide residue immunochromatography multi-card type rapid detector.
Background
In order to fully protect the benefits of consumers, agricultural products using pesticides must be tested to ensure compliance with hygienic food standards.
Most of the existing detecting instruments can only detect single cards, are limited in types of multi-card detecting instruments, and can only adapt to detecting card strips with fixed detection quantity, for example, a triple card detecting instrument can only detect triple cards, and is limited in detection of double cards or quadruple cards.
In addition, most of the existing detection instruments are provided with screens, are capacitive or resistive screens, are limited by working conditions when touched, and are required to be connected with Windows system software, and are required to be additionally provided with computers or connected with data wires, so that detection preparation work is complicated.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of utility model
The utility model aims to provide a pesticide residue immunochromatography multi-card type rapid detector which is simple and reasonable in structure, convenient and accurate in detection, capable of realizing simultaneous interpretation and detection of multiple samples and multiple items, and high in detection efficiency.
In order to achieve the above purpose, the utility model provides a pesticide residue immunochromatography multi-card type rapid detector, comprising: the device comprises a box body, a detection cabin, a sliding rail, a detection mechanism, a shooting mechanism and a display mechanism. The detection cabin is arranged in the box body; the sliding rail is arranged on a bottom plate in the detection cabin; the detection mechanism is movably arranged on the sliding rail and is used for placing at least one detection card; the shooting mechanism is arranged on the top of the inside of the detection cabin and is used for shooting the detection card on the detection mechanism; and the display mechanism is arranged at the outer side of the box body, is electrically connected with the shooting mechanism and is used for displaying the detection result.
In one or more embodiments, the pesticide residue immunochromatographic multi-card type rapid detector further comprises a base, and the box body and the display mechanism are both fixed on the base.
In one or more embodiments, the pesticide residue immunochromatographic multi-card type rapid detector further comprises a light shielding plate, and the light shielding plate is covered on the top of the detection cabin and is located above the shooting mechanism.
In one or more embodiments, the pesticide residue immunochromatographic multi-card rapid detector further comprises: a mobile platform and a beetle self-locking device. The moving platform can be movably arranged on the sliding rail, and the detection mechanism is arranged on the moving platform; and the beetle self-locking device comprises a male connector and a female connector, wherein the male connector is fixed on the mobile platform, and the female connector is fixed on the bottom plate and positioned on one side of the sliding rail.
In one or more embodiments, the pesticide residue immunochromatography multi-card type rapid detector further comprises a controller, wherein the controller is arranged in the box body and is electrically connected with the shooting mechanism and the display mechanism respectively.
In one or more embodiments, the pesticide residue immunochromatography multi-card type quick-measuring instrument further comprises a two-dimensional code scanning module, wherein the two-dimensional code scanning module is arranged in the box body and is positioned above the light shielding plate, a scanning identification head of the two-dimensional code scanning module is exposed out of the box body, and the two-dimensional code scanning module is electrically connected with the controller.
In one or more embodiments, the pesticide residue immunochromatographic multi-card type rapid detector further comprises a micro printer module, wherein the micro printer module is arranged in the box body and is positioned on the rear end of the box body far away from the two-dimension code scanning module, a printing port of the micro printer module is exposed out of the box body, and the micro printer module is electrically connected with the controller.
In one or more embodiments, the display mechanism is a touch display screen integrated machine with an operating system.
In one or more embodiments, six standard reagent sample detection card slots are provided on the detection mechanism, and the six standard reagent sample detection card slots are used for placing six detection cards.
In one or more embodiments, a through hole is provided below the front end of the case, and the through hole is used for the detection mechanism to enter and exit the case.
Compared with the prior art, the immunochromatography multi-card type rapid detector for pesticide residues has the advantages of simple and reasonable structure, convenience and accuracy in detection, capability of realizing simultaneous interpretation and detection of multiple samples and multiple items, and high detection efficiency.
Drawings
Fig. 1 is a schematic perspective view of a multi-card type pesticide residue immunochromatographic rapid measuring device according to an embodiment of the present utility model.
Fig. 2 is a schematic side sectional structure of a pesticide residue immunochromatographic multi-card type rapid detector according to an embodiment of the present utility model.
Fig. 3 is a schematic perspective view of a case of a multi-card type pesticide residue immunochromatography rapid detector according to an embodiment of the present utility model.
Fig. 4 is a schematic cross-sectional structural view of a case of a pesticide residue immunochromatographic multi-card type rapid detector according to an embodiment of the present utility model.
The main reference numerals illustrate:
The device comprises a 1-box body, a 2-detection cabin, a 3-sliding rail, a 4-detection mechanism, a 5-shooting mechanism, a 6-display mechanism, a 7-base, an 8-light screen, a 9-two-dimensional code scanning module, a 10-micro printer module, an 11-entry and exit cabin door, a 12-male connector and a 13-female connector.
Detailed Description
The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
FIG. 1 is a schematic perspective view of a multi-card type pesticide residue immunochromatographic rapid detector according to an embodiment of the present utility model; fig. 2 is a schematic side sectional structure of a pesticide residue immunochromatographic multi-card type rapid detector according to an embodiment of the present utility model. Fig. 3 is a schematic perspective view of a case 1 of a multi-card type pesticide residue immunochromatography rapid detector according to an embodiment of the present utility model; fig. 4 is a schematic cross-sectional structural view of a case 1 of a pesticide residue immunochromatographic multi-card type rapid analyzer according to an embodiment of the present utility model.
As shown in fig. 1 to 4, a multi-card type pesticide residue immunochromatographic rapid measuring apparatus according to an embodiment of the present utility model includes: the device comprises a box body 1, a detection cabin 2, a sliding rail 3, a detection mechanism 4, a shooting mechanism 5 and a display mechanism 6. The detection cabin 2 is arranged in the box body 1; the sliding rail 3 is arranged on a bottom plate in the detection cabin 2; the detection mechanism 4 is movably arranged on the sliding rail 3, and the detection mechanism 4 is used for placing at least one detection card; the shooting mechanism 5 is arranged on the top of the inside of the detection cabin 2, and the shooting mechanism 5 is used for shooting the detection card on the detection mechanism 4; and the display mechanism 6 is disposed at the outer side of the case 1, and the display mechanism 6 is electrically connected to the photographing mechanism 5, for displaying the detection result.
In one or more embodiments, the immunochromatographic multi-card type rapid pesticide residue detector further comprises a base 7, and the box body 1 and the display mechanism 6 are both fixed on the base 7.
In one or more embodiments, the pesticide residue immunochromatographic multi-card rapid detector further comprises a light shielding plate 8, and the light shielding plate is covered on the top of the detection cabin 2 and is located above the shooting mechanism 5.
In one or more embodiments, as shown in fig. 2, the pesticide residue immunochromatographic multi-card type rapid detector further includes: a mobile platform and a beetle self-locking device. The mobile platform is movably arranged on the sliding rail 3, and the detection mechanism 4 is arranged on the mobile platform; the beetle self-locking device comprises a male connector 12 and a female connector 13, the male connector 12 is fixed on the mobile platform, and the female connector 13 is fixed on the bottom plate and is positioned on one side of the sliding rail 3; wherein the male connector 12 and the female connector 13 are correspondingly adapted.
In one or more embodiments, the pesticide residue immunochromatography multi-card rapid detector further comprises a controller, wherein the controller is arranged in the box body 1 and is electrically connected with the shooting mechanism 5 and the display mechanism 6 respectively.
In one or more embodiments, the pesticide residue immunochromatography multi-card type rapid analyzer further comprises a two-dimensional code scanning module 9, wherein the two-dimensional code scanning module 9 is arranged in the box body 1 and is positioned above the light shielding plate 8, a scanning identification head of the two-dimensional code scanning module 9 is exposed out of the box body 1, and the two-dimensional code scanning module 9 is electrically connected with the controller.
In one or more embodiments, the pesticide residue immunochromatographic multi-card rapid detector further comprises a micro-printer module 10, wherein the micro-printer module 10 is arranged in the box body 1 and is positioned on the rear end of the box body 1 far away from the two-dimensional code scanning module 9, a printing port of the micro-printer module 10 is exposed out of the box body 1, and the micro-printer module 10 is electrically connected with the controller.
In one or more embodiments, the display mechanism 6 is a touch-control display screen integrated machine with an operating system.
In one or more embodiments, six standard reagent sample detection card slots are provided on the detection mechanism 4, and the six standard reagent sample detection card slots are used for placing six detection cards.
In one or more embodiments, a through hole is provided below the front end of the case 1, and the through hole is used for the detection mechanism 4 to enter and exit the case 1; the outside of the detection mechanism is provided with an access door 11, the access door 11 is correspondingly matched with the through hole, the detection mechanism 4 can transversely move to the outside of the box body 1, so that a user can conveniently insert a detection card into a standard reagent sample detection clamping groove, after the insertion is finished, the detection mechanism 4 is controlled to enter the box body 4, and the access door 11 is abutted with the through hole, so that the detection cabin 2 where the detection mechanism 4 is positioned is sealed; when the detection mechanism 4 needs to be moved out of the box body 1, the access door 11 is manually pressed, at the moment, the pressing force is conducted to the moving platform from the access door 11 and is conducted to the male connector 12, so that the male connector 12 and the female connector 13 are separated (the beetle self-locking device is an existing product, the structure and the working principle of the beetle self-locking device are not repeated any more), the moving platform is ejected out of the sliding rail 3, the detection mechanism 4 is driven to move out of the box body 1, at the moment, the access door 11 can be manually pulled, so that the moving platform is driven to continue to move on the sliding rail 3, the detection mechanism 4 is further driven to transversely move out of the box body 1, and a user can conveniently insert a detection card into a standard reagent sample detection clamping groove; after the detection card is inserted, the access door 11 is pushed to the inner direction of the box 1 until the male connector 12 on the moving platform abuts against the female connector 13 on the bottom plate (locking), so that the detection mechanism 4 is moved to the inside of the box 1, the access door 11 abuts against the through hole, a closed detection space is formed, and the detection can be started subsequently.
In practical application, the pesticide residue immunochromatography multi-card type rapid detector consists of a base 7, a box 1, a display mechanism 6, a two-dimensional code scanning module 9, a micro printer module 10 and five core functional modules of a detection cabin 2; the box body 1 (composed of a light shielding plate 8 and a light shielding cover), the multi-joint clamping groove (six standard reagent sample detection clamping grooves) and the in-out cabin door 11 form a closed detection space, the COM high-definition image sensor (shooting mechanism 5) is used for collecting image information of a CT line of a detection card, an advanced color difference analysis technology is used, the color change of the detection card/pipe is accurately judged through the built-in operation processing of a system, and the detection card is automatically judged to be positive, negative or invalid (realized by software in an operating system built in the display mechanism 6). Errors caused by naked eye judgment are avoided, and the result is more visual and the data storage can be traced. The immunochromatography multi-card type rapid detector for pesticide residues provided by the utility model can be used for rapidly, qualitatively and semi-quantitatively detecting the pesticide residues in conventional agricultural product detection, and analyzing and judging procymidone, chlorpyrifos, dichlorvos and the like in the pesticide residues by adopting a colloidal gold detection method.
Specifically, the pesticide residue immunochromatography multi-card type rapid detector can rapidly detect the pesticide residue contents of procymidone, chlorpyrifos, carbofuran, sodium 4-chlorophenoxyacetate and the like in vegetables and fruits, and the detection card adopts a disposable closed type pre-packaging mode, namely the disposable pre-packaging method is used, so that the problems of cross contamination and complicated addition of various reagents are solved, the operation is simple, and the detection efficiency is improved; the display mechanism 6 adopts a 15-inch color touch screen (a built-in operating system), so that software is visual, the detection process is quick and accurate, and the detection efficiency is improved; six standard reagent sample detection clamping grooves are formed, and the sample detection bin is in a fully-closed environment, so that detection interference factors are reduced, and detection accuracy is improved; the shooting mechanism 5 adopts a 500 ten thousand high pixel CMOS array sensor, and the acquired information is accurate; wherein, the rapid measuring instrument is provided with thermal printing (micro printer module 10), and the detection result can be printed on site; the detection card is thrown immediately, so that cross contamination is solved; the operating software adopts a Windows system, so that the operating software can be connected with service personnel of a manufacturer remotely by one key, and the problem in use can be rapidly solved; the windows system can be used for detecting and storing data in real time and uploading detection data manually; based on windows system, all data platforms are conveniently docked, and supervision efficiency is improved.
In one embodiment of the utility model, the flow of the detection of procymidone using, for example, the rapid meter of the utility model is as follows:
The rapid analyzer adopts the principle of competitive inhibition immunochromatography, and Pythium gracile in a sample is combined with a specific antibody marked by colloidal gold after being extracted, and the antigen on a detection line (T line) in a detection card and the antibody are inhibited to be combined, so that the color of the detection line is changed; and comparing the color intensity of the detection line with that of the control line (C line), and qualitatively judging the procymidone in the sample.
Sample pretreatment
1. The sample is restored to room temperature (20 ℃ to 30 ℃) before detection, the fresh sample is taken to wipe off soil, and the fresh sample is sheared into fragments smaller than 1cm square;
2. Weighing 2.00+/-0.05 g of sample into a15 mL polystyrene centrifuge tube, adding 6mL of extracting solution, covering a cover, and carrying out vortex or manual up-down oscillation for 1 minute by a vortex meter, and standing for 5 minutes to obtain a sample solution; and diluting according to the detection requirement and the following table to obtain the sample liquid to be detected.
3. The detection card taken out from the original package is used as soon as possible within 60 minutes after being opened;
4. Sucking the sample to be detected liquid by a disposable straw, and vertically and slowly dripping 3 drops (about 100 mu L) into a sample-adding hole (S hole) of the detection card;
5. The timing is started when the liquid flows, the reaction is carried out for 10 minutes, and the invalidation is judged at other times according to the judgment result of the schematic diagram.
Result determination
1. Opening detection, entering a detection interface, and selecting a reagent name of a corresponding project;
2. The sample adding hole (S hole) is arranged outside, a detection card is inserted into a standard reagent sample detection card slot of a detection mechanism 4 of the rapid detector, a detection key is clicked on a display mechanism 6, a shooting mechanism 5 acquires image information of a CT line of the detection card and sends the image information to the display mechanism 6, software built in the display mechanism 6 automatically interprets a result and sends the detection result to a display screen for display; the detection result may be printed by the micro printer module 10.
In a word, the immunochromatography multi-card type rapid detector for pesticide residues has the advantages of simple and reasonable structure, convenience and accuracy in detection, capability of realizing simultaneous interpretation and detection of multiple samples and multiple items, and high detection efficiency.
The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a pesticide residue immunochromatography allies oneself with card formula tacheometer more which characterized in that includes:
a case;
the detection cabin is arranged in the box body;
The sliding rail is arranged on a bottom plate in the detection cabin;
the detection mechanism is movably arranged on the sliding rail and is used for placing at least one detection card;
The shooting mechanism is arranged on the top of the inside of the detection cabin and is used for shooting the detection card on the detection mechanism; and
The display mechanism is arranged on the outer side of the box body, is electrically connected with the shooting mechanism and is used for displaying detection results.
2. The immunochromatographic multi-card rapid detector for pesticide residues according to claim 1, further comprising a base, wherein the box body and the display mechanism are both fixed on the base.
3. The immunochromatographic multi-card type rapid detector for pesticide residues according to claim 1, further comprising a light shielding plate, wherein the light shielding plate is covered on the top of the detection cabin and is positioned above the shooting mechanism.
4. The pesticide residue immunochromatographic multi-card type rapid detector as set forth in claim 3, further comprising:
The moving platform can be movably arranged on the sliding rail, and the detection mechanism is arranged on the moving platform; and
The beetle self-locking device comprises a male connector and a female connector, wherein the male connector is fixed on the mobile platform, and the female connector is fixed on the bottom plate and positioned on one side of the sliding rail.
5. The immunochromatographic multi-card type rapid detector for pesticide residues according to claim 4, further comprising a controller which is arranged in the box body and is electrically connected with the shooting mechanism and the display mechanism respectively.
6. The immunochromatographic assay multiple card type rapid detector for pesticide residues according to claim 5, further comprising a two-dimensional code scanning module, wherein the two-dimensional code scanning module is arranged in the box body and is positioned above the light shielding plate, a scanning identification head of the two-dimensional code scanning module is exposed out of the box body, and the two-dimensional code scanning module is electrically connected with the controller.
7. The immunochromatographic assay multiple card type rapid detector for pesticide residues according to claim 6, further comprising a micro-printer module which is arranged in the box body and is positioned on the rear end of the box body far away from the two-dimensional code scanning module, wherein a printing port of the micro-printer module is exposed out of the box body, and the micro-printer module is electrically connected with the controller.
8. The immunochromatographic multi-card type rapid detector for pesticide residues according to claim 1, wherein the display mechanism is a touch display screen integrated machine with an operating system.
9. The immunochromatographic multi-card rapid detector for pesticide residues according to claim 1, wherein six standard reagent sample detection card slots are arranged on the detection mechanism, and the six standard reagent sample detection card slots are used for placing six detection cards.
10. The immunochromatographic multi-card type rapid detector for pesticide residues according to claim 1, wherein a through hole is arranged below the front end of the box body, and the through hole is used for the detection mechanism to enter and exit the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323447777.6U CN221631445U (en) | 2023-12-18 | 2023-12-18 | Pesticide residue immunochromatography multi-card type rapid detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323447777.6U CN221631445U (en) | 2023-12-18 | 2023-12-18 | Pesticide residue immunochromatography multi-card type rapid detector |
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| Publication Number | Publication Date |
|---|---|
| CN221631445U true CN221631445U (en) | 2024-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323447777.6U Active CN221631445U (en) | 2023-12-18 | 2023-12-18 | Pesticide residue immunochromatography multi-card type rapid detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN221631445U (en) |
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2023
- 2023-12-18 CN CN202323447777.6U patent/CN221631445U/en active Active
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