CN104391121A - Fetal fibronectin detection kit - Google Patents
Fetal fibronectin detection kit Download PDFInfo
- Publication number
- CN104391121A CN104391121A CN201410737851.4A CN201410737851A CN104391121A CN 104391121 A CN104391121 A CN 104391121A CN 201410737851 A CN201410737851 A CN 201410737851A CN 104391121 A CN104391121 A CN 104391121A
- Authority
- CN
- China
- Prior art keywords
- ffn
- detection kit
- detection
- damping fluid
- antibody
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Urology & Nephrology (AREA)
- Hematology (AREA)
- Immunology (AREA)
- Cell Biology (AREA)
- Analytical Chemistry (AREA)
- Biotechnology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention relates to the field of biological detection, in particular to a detection kit for quantitatively detecting fetal fibronectin fFN as well as a preparation method and an application thereof. The detection kit for quantitatively detecting the fetal fibronectin fFN comprises a test paper card, wherein the test paper card comprises a soleplate, and a sample pad, a gold mark pad, a nitrocellulose membrane and a water absorption pad which are sequentially arranged from a sample feeding end on the surface of the soleplate, wherein the gold mark pad comprises a fetal fibronectin fFN antibody, the nitrocellulose membrane comprises a detection line and a quality control line, and the fetal fibronectin fFN antibody on the gold mark pad is marked with fluorescence microspheres. According to the detection kit for quantitatively detecting the fetal fibronectin fFN, the fetal fibronectin fFN is detected by virtue of a fluorescent microsphere immune chromatography technology for the first time, the sensitivity and the specificity are integrated, and the detection kit has the advantages of rapidness and simplicity in operation, accurate result, economical performance, applicability and the like.
Description
Technical field
The present invention relates to field of biological detection, particularly relate to a kind of fetal fibronectin detection kit and its production and use.
Background technology
Fetal fibronectin (fetal Fibroneetin, fFN) is a kind of glycoprotein, and molecular weight is about 500KD, has the molecular forms that 20 kinds different.Fetal fibronectin (fFN) is the matrix components outside the chorionic cells of uterus, produce primarily of trophocyte, be present between chorion and decidua, for a kind of to rise chorion and decidua is connected and the glycoprotein of adhesion, can detect in the secretion at the posterior fornix position of pregnant and lying-in women.Both at home and abroad all carried out large quantifier elimination to the clinical practice of fFN index and clinical meaning, fFN is correlated with peer review article more than 300 sections.It is generally acknowledged fFN concentration and premature labor and give a birth correlativity comparatively by force, detection time, section was pregnant 22-35 week (premature labor) or full-term pregnancy (childbirth).Therefore, between pregnant 22-35 week, in cervicovaginal secretions fFN level with whether there is premature labor and have good correlativity, fFN detects the important objective index that can be used as prediction premature labor.
It is U.S. FDA approval that fetal fibronectin (fFN) detects, for there being the pregnant woman of premature labor symptom and have the premature delivery risk of high risk factor pregnant woman to assess, for 22-30 pregnant week asymptomatic pregnant woman routine screening and have premature labor symptom pregnant woman to check in 24-35 pregnant week.It is the project that routine that AAOG (ACOG) is recommended is diagnosed for premature labor that fFN detects.
Also there is more defect in fetal fibronectin (fFN) detection method known at present, as comparatively loaded down with trivial details, consuming time longer in operation, is not suitable for using clinically.Fetal fibronectin (fFN) detection kit accuracy in front China market, sensitivity, repeatability are still poor.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of kit of Fast Measurement fFN content, for solving the problems of the prior art.
For achieving the above object and other relevant objects, the invention provides a kind of kit of Fast Measurement fFN content, comprise test card, described test card comprises base plate and is positioned at the sample pad be arranged in order from application of sample end of backplate surface, gold mark pad, nitrocellulose filter and adsorptive pads, described gold mark pad comprises fFN monoclonal antibody, described nitrocellulose filter is coated with detection line and nature controlling line, the fFN monoclonal antibody on described gold mark pad adopts fluorescent microsphere mark.
Preferably, fFN monoclonal antibody on described gold mark pad adopts 180nm fluorescent microsphere mark, EX (nm)=650/Em (nm)=670, has signal little by background interference, detection sensitivity is high, the advantage that result is reproducible.
Preferably, described base plate is PVC base plate.
Preferably, on described nitrocellulose filter, detection line is positioned at side close to application of sample end, and nature controlling line is positioned at side away from application of sample end.
Preferably, described detection line is coated with fFN monoclonal antibody.Fetal fibronectin FFN monoclonal antibody on described gold mark pad can be identical antibody with the fFN monoclonal antibody on detection line, also can be different antibody.
Preferably, nature controlling line wraps by sheep anti-mouse antibody.
Preferably, described sample pad adopts damping fluid process, described damping fluid is selected from one or more the combination in PBS damping fluid, Tris-HCl damping fluid, glycine buffer, borate buffer solution and citrate-phosphate salt buffer, and the concentration of damping fluid is 20-200mM.
Preferably, gold mark of the present invention is paid somebody's debt and expected repayment later through pre-service, and the pre-treatment buffer used during pre-service is selected from one or more combination of glycine buffer, Tris-HCl damping fluid, borate buffer solution, and the concentration of damping fluid is 5-50mM.
Preferably, described damping fluid also comprises increased response agent, described increased response agent be selected from PEG4000, PEG6000, PEG8000 and PEG20000 any one, the concentration of described increased response agent is 10 ~ 50g/L.
Preferably, described buffer solution also comprises surfactant, described surfactant is selected from any one or multiple combination in S-19 TWEEN 20, S-20TWEEN 80, S-13 TRITON X-45, S-14 TRITON X-100, S-15 TRITON X305, and the concentration of described surfactant is 10 ~ 50g/L.
Preferably, in order to make kit, there is better sensitivity and color developing effect, gold mark of the present invention pads the pre-treatment buffer used when pre-service and comprises following component: stachyose, alum, Fructose Diphosphate, sodium hexametaphosphate and glycocoll, and the total concentration of stachyose, alum, Fructose Diphosphate, sodium hexametaphosphate, glycocoll is 3.5-7.5g/L, the pH value of damping fluid is 7.2-7.6.
Preferably, the concentration of each component in damping fluid is:
The solvent of described pre-treatment buffer is water.
Described pretreated concrete steps are: gold mark pad is soaked 1.5 ~ 2h in pretreatment fluid, take out and are put in 36 ~ 38 DEG C of oven dry.
Described pre-treatment buffer can use the various conventional pH adjusting agent in this area to carry out the adjustment of pH value.
Preferably, described kit also comprises and getting stuck, described getting stuck comprises back of the body card and upper cover, the described back of the body is arranged with test card draw-in groove, described test card is embedded in described test card draw-in groove, be covered with testing window and well on described, matching with the position of described detection line and nature controlling line in the position of described testing window, matches with the position of described sample pad in the position of described well.
Preferred, described in get stuck for plastics get stuck.
Preferably, described detection kit is used for the content quantitatively detecting fFN.
The detection kit of quantitative detection fFN provided by the present invention, can supporting immune quantitative analytical instrument use.Immunoassay instrument, by acquisition testing line (T) and nature controlling line (C) band fluorescence signal, calculates T/C signal value.First various criterion product are added drop-wise on test card before using, analyzing and processing sets up calibration curve (relation of T/C signal value and standard items actual value), again the T/C value obtained when detecting sample is compared with typical curve, the fFN content detected in sample can be obtained.
Second aspect present invention provides the preparation method of the detection kit of described quantitative detection lipoprotein fFN, comprises the steps:
1) with the fFN antibody-solutions spraying gold mark pad of fluorescent microsphere mark, the obtained gold mark pad comprising fFN antibody;
2) on the detection line and nature controlling line of nitrocellulose filter, spray fFN antibody and sheep anti-mouse antibody respectively, obtained bag by after nitrocellulose filter;
3) by sample pad, step 1) gold mark pad, the step 2 prepared) nitrocellulose filter, the adsorptive pads prepared be pasted onto on base plate successively, and cutting obtains Test paper card; Finally Test paper is snapped fits into the obtained detection kit that gets stuck.
Preferably, gold mark of the present invention is paid somebody's debt and expected repayment later through pre-service, and the pre-treatment buffer used during pre-service is selected from one or more combination of glycine buffer, Tris-HCl damping fluid, borate buffer solution, and the concentration of damping fluid is 5-50mM.
Preferably, in order to make kit, there is better sensitivity and color developing effect, gold mark of the present invention pads the pre-treatment buffer used when pre-service and comprises following component: stachyose, alum, Fructose Diphosphate, sodium hexametaphosphate and glycocoll, and the total concentration of stachyose, alum, Fructose Diphosphate, sodium hexametaphosphate, glycocoll is 3.5-7.5g/L, the pH value of damping fluid is 7.2-7.6.
Preferably, the concentration of each component in damping fluid is:
The solvent of described pre-treatment buffer is water.
Described pretreated concrete steps are: gold mark pad is soaked 1.5 ~ 2h in pretreatment fluid, take out and are put in 36 ~ 38 DEG C of oven dry.
Described pre-treatment buffer can use the various conventional pH adjusting agent in this area to carry out the adjustment of pH value.
Third aspect present invention provides the purposes of detection kit at fFN detection field of described quantitative detection lipoprotein fFN.
Beneficial effect of the present invention is:
FFN is detected by fluorescent micro-ball immune chromatography technology by the detection kit of quantitative detection fFN provided by the present invention first, have high sensitivity and high specific concurrently, the content of fFN can be detected fast.In addition, described detection kit has the advantages such as operation is fast and convenient, result is accurate, economic and practical, disturb little by the serious blood fat of serum (or blood plasma), haemolysis, as serum (or blood plasma) haemoglobin≤500mg/L, triglyceride≤30mg/dL, variation < 10% is affected on accuracy.
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this instructions can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this instructions also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
Before further describing the specific embodiment of the invention, should be understood that protection scope of the present invention is not limited to following specific specific embodiments; It is also understood that the term used in the embodiment of the present invention is to describe specific specific embodiments, instead of in order to limit the scope of the invention; In instructions of the present invention and claims, unless explicitly pointed out in addition in literary composition, singulative " ", " one " and " this " comprise plural form.
When embodiment provides numerical range, should be understood that except non-invention is otherwise noted, between two end points of each numerical range and two end points, any one numerical value all can be selected.Unless otherwise defined, all technology used in the present invention are identical with the meaning that those skilled in the art of the present technique understand usually with scientific terminology.Except the concrete grammar used in embodiment, equipment, material, according to those skilled in the art to the grasp of prior art and record of the present invention, any method of prior art that is similar with the method described in the embodiment of the present invention, equipment, material or that be equal to, equipment and material can also be used to realize the present invention.
Unless otherwise indicated, disclosed in the present invention experimental technique, detection method, preparation method all adopt the routine techniques of the molecular biology of the art routine, biological chemistry, chromatin Structure and analysis, analytical chemistry, cell chulture, recombinant DNA technology and association area.These technology are existing in existing document improves explanation, specifically can see the MOLECULAR CLONING:A LABORATORY MANUAL such as Sambrook, Second edition, Cold Spring HarborLaboratory Press, 1989 and Third edition, 2001; Ausubel etc., CURRENT PROTOCOLS INMOLECULAR BIOLOGY, John Wiley & Sons, New York, 1987 and periodic updates; The seriesMETHODS IN ENZYMOLOGY, Academic Press, San Diego; Wolffe, CHROMATINSTRUCTURE AND FUNCTION, Third edition, Academic Press, San Diego, 1998; METHODSIN ENZYMOLOGY, Vol.304, Chromatin (P.M.Wassarman and A.P.Wolffe, eds.), AcademicPress, San Diego, 1999; With METHODS IN MOLECULAR BIOLOGY, Vol.119, ChromatinProtocols (P.B.Becker, ed.) Humana Press, Totowa, 1999 etc.
Embodiment 1
The preparation of test card of the present invention:
1) pre-treatment buffer is used to carry out pre-service to gold mark pad, pre-treatment buffer is: stachyose 2g/L, alum 0.5g/L, Fructose Diphosphate 1.5g/L, sodium hexametaphosphate 0.3g/L, the aqueous solution of glycocoll 1.88g/L, pH=7.4, pretreated concrete steps are: gold mark pad is soaked 2h in pretreatment fluid, take out and are put in 37 DEG C of oven dry; Then with the fFN antibody-solutions spraying pretreated gold mark pad of fluorescent microsphere mark, obtained bag is by the gold mark pad of fFN antibody, in solution, the mass ratio of fluorescent microsphere and antibody is 5:1, and the concentration of solution is 10mg/ml, and quantity for spray is 4ul/cm;
2) on the detection line and nature controlling line of nitrocellulose filter, spray fFN antibody-solutions and the sheep anti-mouse antibody solution of 1mg/ml respectively, quantity for spray is 1ul/cm, obtained bag by after nitrocellulose filter;
3) by sample pad, step 1) preparation gold mark pad, step 2) nitrocellulose filter, the adsorptive pads prepared be pasted onto on PVC base plate successively, cutting obtains the Test paper card of wide 3-5mm; Finally Test paper is snapped fits into the obtained detection kit that gets stuck.
Standard lines curve:
Be 0 respectively by concentration, 5,20,40,100,200,400,600,800, the fFN buffer solution of 1000ng/ml drips in sample pad, each concentration establishes 5 repetitions (testing result gets 5 mean values repeated), after rete is analysed 10 minutes, use immunoassay instrument by acquisition testing line (T) and nature controlling line (C) band fluorescence signal, the sensing range of analyser to fluorescence signal is AD value 0-10000, calculate T/C signal value, set up calibration curve, wherein Y-axis is T/C signal value, and X-axis is standard items actual value.
FFN anti-interference and specific detection:
Detection sample drop is added in sample pad, 5 repetitions (testing result gets 5 mean values repeated) established by each sample, after rete is analysed 10 minutes, the T/C value obtained when detecting sample is compared with typical curve, obtain the detection data of the fFN content detected in sample, the fFN content data and true fFN content data that detect acquisition are contrasted, obtaining accuracy affects deviate again.
Sample 1:25ng/ml fFN, 50mg/L haemoglobin, 50mg/dL triglyceride;
Sample 2:125ng/ml fFN, 500mg/L haemoglobin, 10mg/dL triglyceride;
Sample 3:250ng/ml fFN, 100mg/L haemoglobin, 20mg/dL triglyceride;
Sample 4:500ng/ml fFN, 150mg/L haemoglobin, 30mg/dL triglyceride;
Sample 5:1000ng/ml fFN, 200mg/L haemoglobin, 40mg/dL triglyceride;
Blank: 50mg/L haemoglobin, 50mg/dL triglyceride;
The fFN content data of the detection that sample 1-5 obtains is respectively 25.1ng/ml, 124.9ng/ml, 250.2ng/ml, 499.5ng/ml, 1000.1ng/ml, accuracy affect variation < 10%, do not find when detecting in blank that obvious fluorescence signal changes.
Embodiment 2
The preparation of comparative example test card:
Adopt 25mM glycine buffer pre-service gold mark pad, other reagent and experimental technique are all with embodiment 1.
1) 25mM glycine buffer pre-service gold mark pad is adopted, then with the fFN antibody-solutions spraying pretreated gold mark pad of fluorescent microsphere mark, obtained bag is by the gold mark pad of fFN antibody, in solution, the mass ratio of fluorescent microsphere and antibody is 5:1, the concentration of solution is 10mg/ml, and quantity for spray is 4ul/cm;
2) on the detection line and nature controlling line of nitrocellulose filter, spray fFN antibody-solutions and the sheep anti-mouse antibody solution of 1mg/ml respectively, quantity for spray is 1ul/cm, obtained bag by after nitrocellulose filter;
3) by sample pad, step 1) preparation gold mark pad, step 2) nitrocellulose filter, the adsorptive pads prepared be pasted onto on PVC base plate successively, cutting obtains the Test paper card of wide 3-5mm; Finally Test paper is snapped fits into the obtained detection kit that gets stuck.
The sensitivity of fFN and detectability contrast experiment:
Judge with fluorescent instrument, analyser be AD value 0-10000 to the sensing range of fluorescence signal, according to the performance of instrument, CUTOFF value is 50, under certain concentration, more than 90% test example AD value >=50, namely think that kit can be used in the detection under this concentration.
Adopt 5%BSA normal saline solution as dummy, dummy should not contain measured object.The fFN known sample getting 1 ~ 30ng/mL gradient concentration carries out sensitivity detection, arranges a gradient at interval of 0.2ng/mL, and each gradient arranges 60 samples, record testing result.The lowest detection that result shows the kit prepared by embodiment 1 is limited to 1.5ng/mL; And the lowest detectable limit of the kit prepared by embodiment 2 is higher than 30ng/mL.
In sum, detection kit provided by the present invention has good anti-interference and specificity, and has good sensitivity, and negative background is lower, effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. one kind is quantitatively detected the detection kit of fFN, comprise test card, test card comprises base plate and is positioned at the sample pad be arranged in order from application of sample end of backplate surface, gold mark pad, nitrocellulose filter and adsorptive pads, described gold mark pad comprises fFN antibody, described nitrocellulose filter is coated with detection line and nature controlling line, the fFN antibody on described gold mark pad adopts fluorescent microsphere mark.
2. the detection kit quantitatively detecting fFN as claimed in claim 1, it is characterized in that, on described nitrocellulose filter, detection line is positioned at side close to application of sample end, and nature controlling line is positioned at side away from application of sample end.
3. the detection kit quantitatively detecting fFN as claimed in claim 1, is characterized in that, described detection line is coated with fFN antibody.
4. the detection kit quantitatively detecting fFN as claimed in claim 1, is characterized in that, nature controlling line wraps by sheep anti-mouse antibody.
5. the detection kit quantitatively detecting fFN as claimed in claim 1, it is characterized in that, described sample pad adopts damping fluid process, described damping fluid is selected from one or more the combination in PBS damping fluid, Tris-HCl damping fluid, glycine buffer, borate buffer solution and citrate-phosphate salt buffer, and the concentration of damping fluid is 20-200mM.
6. the detection kit quantitatively detecting fFN as claimed in claim 1, it is characterized in that, described gold mark pad adopts damping fluid process, described damping fluid is selected from one or more combination of glycine buffer, Tris-HCl damping fluid, borate buffer solution, and the concentration of damping fluid is 5-50mM.
7. the detection kit quantitatively detecting fFN as claimed in claim 6, it is characterized in that, increased response agent is also comprised in described damping fluid, described increased response agent be selected from PEG4000, PEG6000, PEG8000 or PEG20000 any one, the concentration of described increased response agent is 10 ~ 50g/L.
8. the detection kit quantitatively detecting fFN as claimed in claim 1, it is characterized in that, also comprise and getting stuck, described getting stuck comprises back of the body card and upper cover, the described back of the body is arranged with test card draw-in groove, and described test card is embedded in described test card draw-in groove, is covered with testing window and well on described, matching with the position of described detection line and nature controlling line in the position of described testing window, matches with the position of described sample pad in the position of described well.
9. the detection kit quantitatively detecting fat fFN as claimed in claim 1, is characterized in that, described detection kit is used for the content quantitatively detecting fFN.
10. the preparation method of the detection kit of the quantitative detection fat fFN according to the arbitrary claim of claim 1 ~ 9, specifically comprises the steps:
1) with the fFN antibody-solutions spraying gold mark pad of fluorescent microsphere mark, the obtained gold mark pad comprising fFN antibody;
2) on the detection line and nature controlling line of nitrocellulose filter, spray fFN antibody and sheep anti-mouse antibody respectively, obtained bag by after nitrocellulose filter;
3) by sample pad, step 1) gold mark pad, the step 2 prepared) nitrocellulose filter, the adsorptive pads prepared be pasted onto on base plate successively, and cutting obtains Test paper card; Finally Test paper is snapped fits into the obtained detection kit that gets stuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737851.4A CN104391121B (en) | 2014-12-05 | 2014-12-05 | A kind of fetal fibronectin detection kit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737851.4A CN104391121B (en) | 2014-12-05 | 2014-12-05 | A kind of fetal fibronectin detection kit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104391121A true CN104391121A (en) | 2015-03-04 |
| CN104391121B CN104391121B (en) | 2016-02-03 |
Family
ID=52609047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410737851.4A Active CN104391121B (en) | 2014-12-05 | 2014-12-05 | A kind of fetal fibronectin detection kit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104391121B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089009A (en) * | 2017-12-13 | 2018-05-29 | 福州大学 | A kind of fetal fibronectin fluorescence immune chromatography strip and preparation method thereof |
| CN108780095A (en) * | 2016-03-31 | 2018-11-09 | 积水医疗株式会社 | Utilize the cancer embryo fibronectin detection method of simple immunoassays |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526534A (en) * | 2009-03-10 | 2009-09-09 | 沈鹤柏 | Fluorescence immune chromatography test paper and preparing method and application thereof |
| CN101930007A (en) * | 2010-07-30 | 2010-12-29 | 北京热景生物技术有限公司 | Up-converting fast quantification kit for preterm detection of pregnant woman |
| WO2011053666A1 (en) * | 2009-10-29 | 2011-05-05 | The Trustees Of The University Of Pennsylvania | Method of predicting risk of preterm birth |
| CN102879559A (en) * | 2011-07-12 | 2013-01-16 | 上海执诚生物科技股份有限公司 | Real-time quantitative detection reagent and method of time-resolved fluorescence immune chromatography |
| CN103185799A (en) * | 2011-12-27 | 2013-07-03 | 深圳市爱速尔生物技术有限公司 | Uterine neck-vagina rapid detector for early warning of premature delivery |
| CN203705457U (en) * | 2013-12-09 | 2014-07-09 | 杭州隆基生物技术有限公司 | Fetus fibronectin detection card |
-
2014
- 2014-12-05 CN CN201410737851.4A patent/CN104391121B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526534A (en) * | 2009-03-10 | 2009-09-09 | 沈鹤柏 | Fluorescence immune chromatography test paper and preparing method and application thereof |
| WO2011053666A1 (en) * | 2009-10-29 | 2011-05-05 | The Trustees Of The University Of Pennsylvania | Method of predicting risk of preterm birth |
| CN101930007A (en) * | 2010-07-30 | 2010-12-29 | 北京热景生物技术有限公司 | Up-converting fast quantification kit for preterm detection of pregnant woman |
| CN102879559A (en) * | 2011-07-12 | 2013-01-16 | 上海执诚生物科技股份有限公司 | Real-time quantitative detection reagent and method of time-resolved fluorescence immune chromatography |
| CN103185799A (en) * | 2011-12-27 | 2013-07-03 | 深圳市爱速尔生物技术有限公司 | Uterine neck-vagina rapid detector for early warning of premature delivery |
| CN203705457U (en) * | 2013-12-09 | 2014-07-09 | 杭州隆基生物技术有限公司 | Fetus fibronectin detection card |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108780095A (en) * | 2016-03-31 | 2018-11-09 | 积水医疗株式会社 | Utilize the cancer embryo fibronectin detection method of simple immunoassays |
| CN108089009A (en) * | 2017-12-13 | 2018-05-29 | 福州大学 | A kind of fetal fibronectin fluorescence immune chromatography strip and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104391121B (en) | 2016-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104360085B (en) | A kind of AFP detection kit | |
| Noiphung et al. | Development of paper-based analytical devices for minimizing the viscosity effect in human saliva | |
| WO2007059065A3 (en) | Diagnostic method for proteinaceous binding pairs, cardiovascular conditions and preeclampsia | |
| CN104459138B (en) | A kind of IGFBP-1 detection kit | |
| CN105137093A (en) | Method for early warning of ovulation period | |
| CN104391121B (en) | A kind of fetal fibronectin detection kit | |
| CN109061125A (en) | The method and purposes of reliability assessment are carried out to the result of the quantitative detection project of detection system | |
| Mehta | The validation criteria for analytical methods used in pharmacy practice research | |
| Ney et al. | Reproducibility of saliva progesterone measured by immunoassay compared to liquid chromatography mass spectrometry | |
| Oberpenning et al. | Semi-quantitative immunochromatographic test for prostate specific antigen in whole blood: tossing the coin to predict prostate cancer? | |
| CN106526198A (en) | Combined orientation agents optimized latex coupled antibody detection method of prealbumin (PA) | |
| CN104360071B (en) | The kit of content of glycocholic acid in a kind of Fast Measurement serum or blood plasma | |
| CN106066401A (en) | Biomarker VWF and ADAMTS13 and the purposes in liver cirrhosis diagnosis reagent thereof | |
| CN104360080B (en) | A kind of golgiosome glycoprotein-73 detection kit | |
| Merono et al. | Analytical evaluation of the Tosoh HLC-723 G8 automated HPLC analyzer for hemoglobin analysis in beta-thalassemia mode | |
| CN104360079B (en) | A kind of PIVKA-II detection kit | |
| CN106501526A (en) | A kind of combination directing agent optimizes latex coupled antibody detection prealbumin（PA）Test kit | |
| CN113567582B (en) | Application of biomarker in screening and diagnosis of sexual precocity of children | |
| CN104374911A (en) | Detection kit for quantitative detection of rheumatoid factors and anti streptolysin O | |
| CN104391122B (en) | A kind of AFP, PIVKA-II combined detection kit | |
| CN104374927B (en) | A kind of detection kit of quantitative detection LP(a) | |
| KR20200051732A (en) | Analysis device and analysis method | |
| CN104407155B (en) | A kind of AFP, GP73, PIVKA-II combined detection kit | |
| US20110189777A1 (en) | Methods and compositions for improved diagnostic assays | |
| CN104360082B (en) | A kind of AFP, GP73 combined detection kit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180104 Address after: 400000 Taikang Road Dadukou District of Chongqing Bridge Industrial Park C District No. 6 Building 30 layer 1-4 Patentee after: Chongqing Zhongyuan Ji Ji Biological Technology Co., Ltd. Address before: Jiulongpo Branch Park four street 400039 Chongqing city 70-1, 70-2 block J No. six Patentee before: CHONGQING QIANDE BIOTECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Floor 1-4, building 30, no.6, Taikang Road, Zone C, Jianqiao Industrial Park, Dadukou District, Chongqing 400000 Patentee after: Zhongyuan Huiji Biotechnology Co.,Ltd. Address before: Floor 1-4, building 30, no.6, Taikang Road, Zone C, Jianqiao Industrial Park, Dadukou District, Chongqing 400000 Patentee before: CHONGQING ZHONGYUAN HUIJI BIOTECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |