CN201637744U - Detecting test paper for master influenza A H1N1 viral antibody - Google Patents
Detecting test paper for master influenza A H1N1 viral antibody Download PDFInfo
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- CN201637744U CN201637744U CN2010201420962U CN201020142096U CN201637744U CN 201637744 U CN201637744 U CN 201637744U CN 2010201420962 U CN2010201420962 U CN 2010201420962U CN 201020142096 U CN201020142096 U CN 201020142096U CN 201637744 U CN201637744 U CN 201637744U
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Abstract
The utility model particularly relates to a detecting test paper for a master influenza A H1N1 viral antibody, which belongs to the technical field of biological application and realizes detection of the master antibody by adopting the dual-antigen sandwich method. The detecting test paper adopts colloidal gold to mark influenza A H1N1 viral antigens, and is coated with the influenza A H1N1 viral antigens to realize detection of the master influenza A H1N1 viral antibody in blood. Being economical and practical, the detecting test paper is suitable for field test, can detect IgG and IgM at the same time, and has the advantages of simple as well as convenient operation, quick reaction, high sensitivity, strong specificity and the like.
Description
Technical field
The utility model relates to the biologic applications technical field, particularly relates to a kind of with colloidal gold immunity chromatography fast detecting influenza A (H 1 N 1) virus total antibody detection test paper.
Background technology
H1N1virus is a kind of novel influenza virus, worldwide is very popular the serious harm human beings'health in 2009.Its " Ha " refers to hemagglutinin (Hemagglutinin), " Na " refers to neuraminidase (Neuraminidase), and influenza A virus H has 1～15 type, and 1～9 type is arranged.H1N1 is a kind of of influenza A virus, also is one of maximum virus of harm.Once caused in history and be very popular for several times.
The main method that Influenza A H1N1 is detected is a pcr gene amplification diagnostic method at present, nasopharynx test paper diagnostic antigen method etc.Aspect antibody test, detection methods such as ELISA are arranged, but the total antibody of H1N1 is detected relevant report is not arranged as yet with collaurum para-immunity chromatographic technique.Total antibody test mainly contains effect down to H1N1: 1: the H1N1 influenza is carried out auxiliary diagnosis.According to " the Influenza A H1N1 diagnosis and treatment scheme " third edition, one of Influenza A H1N1 aetology detection method is: detection of dynamic paired sera influenza A H 1 N 1 virus specific antibody horizontal is rising more than 4 times or 4 times, is the index that infects the H1N1 influenza virus.2: differentiate subclinical infection or infected in this viral human body the total antibody of anti-H1N1 virus to whether having infected H1N1 with long-term existence.3: the effect to immunity inoculation is estimated, and on data, the efficient of H1N1 inoculation at present is about 90%, still has 10% people need screen renewed vaccination or otherwise carry out the prevention of this disease.Consider that the crowd who infects and inoculate is huge, use a kind of quick, easy, effective antibody detection method very necessary.
The immunochromatography colloidal gold technique is novel diagnostic techniques, aspect antibody test, obtained comparatively extensively using, ultimate principle is as follows: utilize a kind of antigen of colloid gold label or antibody, bag is matched antigen or antibody accordingly on the NC of reagent film, during detection when containing corresponding specific antibody or antigen in the sample, the part formation compound that combines in colloid gold label particle and the sample, chromatography on the NC film then, coated again antigen or antibody capture, form macroscopic detection T line, have or not the judgement of realization the result by detection line.Have easy and simple to handle, reaction fast, high, the high specificity of susceptibility, be fit to on-the-spot the detection and advantage such as economical and practical.
Summary of the invention
The purpose of this utility model provides a kind of influenza A (H 1 N 1) virus total antibody and detects test paper, adopts the dual-antigen sandwich method preparation, have easy and simple to handle, reaction fast, high, the high specificity of susceptibility, be fit to on-the-spot the detection and advantage such as economical and practical.
The utility model provides a kind of influenza A (H 1 N 1) virus total antibody to detect test paper, it is characterized in that plastic support board 7 one ends connect upward sample pad 1, the tight crimping of one end of last sample pad 1 contains the collaurum pad 2 of the specific hemagglutinin Ha of underlined H1N1 or specific hemagglutinin Ha of H1N1 and neuraminidase Na antigen, the tight crimping cellulose nitrate of collaurum pad 2 one ends NC film 3, cellulose nitrate NC film 3 is coated with detection T line 5 and the Quality Control C line 6 that is separated from each other, the T line be coated on the NC film the specific hemagglutinin Ha of H1N1 or specific hemagglutinin Ha of H1N1 and neuraminidase Na antigen, the C line is the anti-H1N1 antibody that is coated on the NC film, and the other end of cellulose nitrate NC film 3 connects inhales sample pad 4 formation test paper.
Described influenza A (H 1 N 1) virus total antibody detects test paper, it is characterized in that described antigen is specific hemagglutinin of H1N1 (Ha) and neuraminidase (Na) antigen, antigen can extract or utilize genetic engineering recombinant expressed by purifying from H1N1 virus.
Described influenza A (H 1 N 1) virus total antibody detects test paper, it is characterized in that the described sample pad 1 of going up is glass fibre membrane or nonwoven fabrics, inhales the sample pad and constitutes 4 by absorbent filter.
Described influenza A (H 1 N 1) virus total antibody detects test paper, it is characterized in that, the method for coating of described antigen is: with 0.01M pH 7.2 phosphate buffers (PBS) with the specific hemagglutinin of H1N1 (Ha) and (or) neuraminidase (Na) psma ligand makes the solution of 0.5-2mg/ml, rule with the parameter of 1ul/cm in NC film bottom with spray film instrument, bag is by the T line, wrap by anti-H1N1 antibody on NC film top simultaneously as the C line, after the line with the NC film at drying room, temperature 20-25 ℃, humidity is less than 30%, dry 2-5 hour.
Above-mentioned influenza A (H 1 N 1) virus total antibody detects test paper, it is characterized in that, the method of described antigenic mark colloid gold particle is: prepare the colloidal gold solution that diameter is 30-50nm with gold chloride-trisodium citrate reduction method, get 100ml collaurum liquid after preparation is finished and be placed in the beaker, use 0.2M K
2CO
3Transfer to pH8.0, press the 100ml colloidal gold solution and add 0.5-2mg H1N1 hemagglutinin (Ha) and neuraminidase (Na) antigen, stirring at room 2 hours, add 1% bovine serum albumin(BSA) BSA, 0.1% polyglycol PEG20000 seals 20min, and centrifugal 30 minutes of 12000r/m abandons supernatant, redissolve to 100ml with the collaurum working fluid, press 1ml solution shop 22cm
2Ratio be layered on equably on glass fibre membrane or the nonwoven fabrics, put drying room again, temperature 20-25 ℃, humidity dry 2-5 hour, is made the collaurum pad less than 30%.
Above-mentioned influenza A (H 1 N 1) virus total antibody detects test paper, the assembly method that it is characterized in that described test paper is: in hothouse, temperature 20-25 ℃, humidity is less than 30%, get the plastic support board plate, paste at the middle part that the NC film that wraps quilt is placed on plastic support board, pastes at NC film T line one side overlap joint collaurum pad (take collaurum pad 1/3), paste the sample pad at collaurum pad opposite side overlap joint, take 1/5 of collaurum pad; Inhale the sample pad at NC film C line one side overlap joint, take and inhale 1/10 of sample pad; To post plastic plate with cutter at last and be cut into the wide test strips of 2-5mm, the test strips that cuts can reinstall in the plastic clip, forms test card.
Described influenza A (H 1 N 1) virus total antibody detects test paper, it is characterized in that, detection method is: with tested serum or blood plasma balance to the greenhouse, test strips or reagent card are kept flat, on last sample pad, add the 50-100ul test sample, the sample dissolution collaurum and on the NC film chromatography, the appearance situation of Direct observation C, T line in 20 minutes with the naked eye then, and judge testing result.
The beneficial effects of the utility model are: provide a kind of immunochromatography colloidal gold technique of utilizing to detect influenza A (H 1 N 1) virus total antibody detection test paper.Adopt dual-antigen sandwich method to realize to total detection of antibodies.Adopt colloid gold label H1N1virus antigen, bag is realized the total detection of antibodies of anti-influenza A H 1 N 1 virus in the blood by H1N1virus antigen.Can detect IgG and IgM simultaneously.Have easy and simple to handle, reaction fast, high, the high specificity of susceptibility, be fit to on-the-spot the detection and advantage such as economical and practical.
Description of drawings:
Fig. 1 influenza A (H 1 N 1) virus total antibody detects the test paper structural representation.
The reference numeral explanation:
1: go up the sample pad; 2: the collaurum pad; The 3:NC film; 4: inhale sample pad 5: detect (T) line; 6: Quality Control (C) line; 7: plastic support board
Embodiment
Embodiment: the preparation influenza A (H 1 N 1) virus total antibody detects test paper
1 main material
1.1 specificity H1N1virus Ha antigen: Sino Biological Inc. company product, be recombinant antigen, be used for colloid gold label and NC film T line bag quilt; Anti-Ha antibody with the self-control of Ha immune goat, is used for NC film bag quilt; Gold chloride: Sigma company product; Cellulose nitrate (NC) film: Millipore company product; Bovine serum albumin(BSA) (BSA), polyglycol PEG20000, caseinhydrolysate: Sigma product.Other common agents is analytical reagent.
1.2 clinical serum is obtained in relevant hospital by company, wherein inoculates 80 parts in H1N1 vaccine sample in the recent period, the vaccine inoculation sample is 120 parts.
1.3 H1N1virus IgG ELISA kit, Sino Biological Inc. product.
2 methods
2.1 the colloid gold label gold chloride-trisodium citrate reduction method of H1N1virus Ha recombinant antigen prepares the colloidal gold solution that diameter is 40nm, gets three parts of collaurums after preparation is finished, and uses 0.2M K respectively
2CO
3Solution is transferred to pH7.0, pH8.0 and pH9.0.Then solution is placed on the magnetic stirring apparatus and slowly stir, slowly be added drop-wise to albumen in the colloidal gold solution recombinant antigen by the every adding of 100ml solution 0.5mg, 1mg, 1.5mg, continue to stir 2 hours, be added dropwise to final concentration again and be 0.1% PEG2000 and 1% BSA and seal 20min, it is centrifugal with 12000r/m that mark finishes the back, abandon supernatant, precipitation is pressed original volume and is redissolved to the collaurum working fluid borate buffer solution of different proportionings, pH8.0, contain BSA, sheep blood serum, in sucrose and the surfactant.Then the mark colloidal gold solution is pressed 1ml solution shop 22cm
2The ratio application of sample on nonwoven fabrics, at temperature 20-25 ℃, relative humidity is made the collaurum pad dry 2-4 hour of＜30% drying room.
2.2H1N1 the bag of influenza virus Ha recombinant antigen is diluted to 0.5mg/ml, 1mg/ml, 2mg/ml with 0.01M pH7.2PBS respectively with H1N1 influenza virus Ha recombinant antigen, then with spray film instrument in NC film bottom by the 1ul/cm bag quilt of ruling, wrap on NC film top simultaneously by anti-Ha antibody, be used for the Quality Control of product, after bag is done with the NC film at temperature 20-25 ℃, relative humidity was dry 2-5 hour of＜30% drying room.
2.3 influenza A (H 1 N 1) virus total antibody rapid detection test paper be assembled in the hothouse (temperature 20-25 ℃, relative humidity＜30%) gets plastic support board, paste at the middle part that the NC film that wraps quilt is placed on plastic support board, paste at NC film T line one side overlap joint collaurum pad (take collaurum pad 1/3), paste sample pad (take collaurum pad 1/5) at collaurum pad opposite side overlap joint; Inhale sample pad (take inhale sample pad 1/10) at NC film C line one side overlap joint; Plastic plate be will post with cutter then and 3mm or the wide test strips of 4mm will be cut into.The test strips that cuts can reinstall in the plastic clip, forms influenza A (H 1 N 1) virus total antibody detectable card.
2.4 detection method with tested serum or blood plasma balance to the greenhouse, the test strips or the reagent card that prepare are kept flat, on last sample pad, add the 50-100ul test sample, if contain the total antibody of anti-influenza A H 1 N 1 virus in the sample, then with sample pad on the collaurum combination of mark H1N1virus antigen, form compound, and be diffused on the NC film further chromatography, when running into the H1N1 influenza virus Ha recombinant antigen that is coated on T line place on the NC film, compound then again with the bag by the antigen combination, be trapped in bag and located, when captive colloidal gold composite reaches some, then form a macroscopic T line; If do not contain specific antibody in the serum, then can not form immune complex, also can not form the T line, the C line is as the quality control standard of reagent, and positive and negative sample all can occur when detecting.The appearance situation of Direct observation C, T line in 5,10,15,20,30 and 45 minutes with the naked eye, and judgement testing result.
2.5 test paper technological parameter debugging with concentration not the reagent of isolabeling, bag quilt make up pairing, the preparation sample utilizes quality controlled serum that reagent is tested, and finds best of breed.
2.6 clinical serum detects and all clinical serum is detected by detection method with this reagent, carries out control test with Sino Biological Inc. H1N1 ELISA antibody test reagent simultaneously.
3 results: 3.1 test paper parameters are determined the testing result according to sample, and the optimum mark pH value of having determined test paper is 8.0; The optimum mark amount of reorganization hybrid antigen is the 1mg/100ml colloidal gold solution; Best collaurum working fluid is a 10mM borosilicate damping fluid, and pH8.0 contains 0.5%BSA, 10% sheep blood serum, 2% sucrose, and 0.2%Tween 20; Best H1N1 influenza virus Ha recombinant antigen bag is 1mg/ml by concentration.The optimal decision time of testing result is 5-20 minute.But above parameter may need suitable adjustment when preparation different batches product.
3.2 it is contrast that clinical serum detects with ELISA reagent, in 80 parts of recent inoculation H1N1virus vaccine personnel's the sample, detects positive 70 parts, ELISA detects 72 parts of positive serums, sensitivity=70/72=97.2%; This reagent does not inoculate to 120 parts that to detect feminine gender in the H1N1 vaccine personnel sample be 110 parts, and the detection feminine gender of ELISA reagent is 112 minutes, and relative specificity is 110/112=98.2%.P＞0.05。The reagent performance is compared there was no significant difference with ELISA reagent, is fit to the clinical detection needs.
Claims (2)
1. an influenza A (H 1 N 1) virus total antibody detects test paper, it is characterized in that plastic support board (7) one ends connect upward sample pad (1), the tight crimping of one end of last sample pad (1) contains the collaurum pad (2) of the specific hemagglutinin Ha of underlined H1N1 or specific hemagglutinin Ha of H1N1 and neuraminidase Na antigen, the tight crimping cellulose nitrate of collaurum pad (2) one ends (NC) films (3), cellulose nitrate (NC) film (3) is coated with detection (T) line (5) and Quality Control (C) line (6) that is separated from each other, the T line be coated on the NC film the specific hemagglutinin Ha of H1N1 or specific hemagglutinin Ha of H1N1 and neuraminidase Na antigen, the C line is the anti-H1N1 antibody that is coated on the NC film, and the other end of cellulose nitrate (NC) film (3) connects inhales sample pad (4) formation test paper.
2. influenza A (H 1 N 1) virus total antibody according to claim 1 detects test paper, it is characterized in that described upward sample pad (1) is glass fibre membrane or nonwoven fabrics, inhales the sample pad and constitutes (4) by absorbent filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010201420962U CN201637744U (en) | 2010-03-26 | 2010-03-26 | Detecting test paper for master influenza A H1N1 viral antibody |
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| CN2010201420962U CN201637744U (en) | 2010-03-26 | 2010-03-26 | Detecting test paper for master influenza A H1N1 viral antibody |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788562A (en) * | 2010-03-26 | 2010-07-28 | 天津中新科炬生物制药有限公司 | Influenza A (H1N1) virus total antibody rapid detection test paper |
| CN102890152A (en) * | 2011-07-20 | 2013-01-23 | 天津中新科炬生物制药有限公司 | Test strip and method for fast quantitative detection of drug in blood |
-
2010
- 2010-03-26 CN CN2010201420962U patent/CN201637744U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788562A (en) * | 2010-03-26 | 2010-07-28 | 天津中新科炬生物制药有限公司 | Influenza A (H1N1) virus total antibody rapid detection test paper |
| CN102890152A (en) * | 2011-07-20 | 2013-01-23 | 天津中新科炬生物制药有限公司 | Test strip and method for fast quantitative detection of drug in blood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Detecting test paper for master influenza A H1N1 viral antibody Effective date of registration: 20120517 Granted publication date: 20101117 Pledgee: Tianjin TEDA Small Enterprise Credit Guarantee Center Pledgor: Newscen Coast Bio-Pharmaceutical Co., Ltd. Registration number: 2012990000211 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20130307 Granted publication date: 20101117 Pledgee: Tianjin TEDA Small Enterprise Credit Guarantee Center Pledgor: Newscen Coast Bio-Pharmaceutical Co., Ltd. Registration number: 2012990000211 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Detecting test paper for master influenza A H1N1 viral antibody Effective date of registration: 20130307 Granted publication date: 20101117 Pledgee: Tianjin TEDA Small Enterprise Credit Guarantee Center Pledgor: Newscen Coast Bio-Pharmaceutical Co., Ltd. Registration number: 2013990000126 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140126 Granted publication date: 20101117 Pledgee: Tianjin TEDA Small Enterprise Credit Guarantee Center Pledgor: Newscen Coast Bio-Pharmaceutical Co., Ltd. Registration number: 2013990000126 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Detecting test paper for master influenza A H1N1 viral antibody Effective date of registration: 20140212 Granted publication date: 20101117 Pledgee: Tianjin TEDA Small Enterprise Credit Guarantee Center Pledgor: Newscen Coast Bio-Pharmaceutical Co., Ltd. Registration number: 2014120000005 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20141231 Granted publication date: 20101117 Pledgee: Tianjin TEDA Small Enterprise Credit Guarantee Center Pledgor: Newscen Coast Bio-Pharmaceutical Co., Ltd. Registration number: 2014120000005 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20150326 |
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| EXPY | Termination of patent right or utility model |