WO1990004179A1 - Method for assaying immunologically active substance and reagent therefor - Google Patents
Method for assaying immunologically active substance and reagent therefor Download PDFInfo
- Publication number
- WO1990004179A1 WO1990004179A1 PCT/JP1989/001051 JP8901051W WO9004179A1 WO 1990004179 A1 WO1990004179 A1 WO 1990004179A1 JP 8901051 W JP8901051 W JP 8901051W WO 9004179 A1 WO9004179 A1 WO 9004179A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- antigen
- group
- reagent
- immunologically active
- reaction
- Prior art date
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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
-
- 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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/5306—Improving reaction conditions, e.g. reduction of non-specific binding, promotion of specific binding
-
- 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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/531—Production of immunochemical test materials
-
- 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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54393—Improving reaction conditions or stability, e.g. by coating or irradiation of surface, by reduction of non-specific binding, by promotion of specific binding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/962—Prevention or removal of interfering materials or reactants or other treatment to enhance results, e.g. determining or preventing nonspecific binding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S436/00—Chemistry: analytical and immunological testing
- Y10S436/826—Additives, e.g. buffers, diluents, preservatives
Definitions
- the present invention relates to a method for measuring an immunologically active substance utilizing an antigen-antibody reaction which is widely applied in the field of clinical testing, and a reagent for immunological measurement used therefor. More specifically, the present invention relates to a method for measuring an immunologically active substance, which comprises adding a specific polyether compound to a liquid in which such an antigen-antibody reaction is performed, and to promote the antigen-antibody reaction in this method.
- Background art on reagents containing specific polyether compounds which comprises adding a specific polyether compound to a liquid in which such an antigen-antibody reaction is performed, and to promote the antigen-antibody reaction in this method.
- JP-B-60-4938 polyethylene glycol and HO (CH 2 CH 2 0) "(CH 3 CHCH 2 0) b (CH 2 CH 2 0) blocks I Table by structure of the C H
- a nonionic surfactant such as a copolymer is described in JP-A-59-43362.
- Japanese Patent Application Laid-Open No. 58-47256 discloses that polyethylene glycol is used in a system in which an antigen or an antibody is carried on insoluble fine particles and an antigen-antibody reaction is carried out in a solution. Has been described.
- the present inventors have conducted intensive studies to overcome the drawbacks of the conventional method. As a result, surprisingly, by adding a specific polyether compound to a liquid in which an antigen antibody reaction is performed, a non-specific reaction is performed. It has been found that the measurement of immunologically active substances can be achieved very accurately by optical measurement methods such as turbidimetry and light scattering without causing the prozone phenomenon.
- a method for measuring an immunologically active substance using an antigen-antibody reaction in a liquid comprising adding a compound represented by the following formula (I) to the liquid:
- the present invention provides a method for measuring an immunologically active substance, and a reagent for immunological measurement containing a compound represented by the following formula [I].
- R 1 0 - ⁇ (CH z CH 2 0) m (AO) n ⁇ -R 2 CO where hydrocarbon radicals R 1 and R 2 each represents a hydrogen atom or a C 5, AO is 3 carbon atoms 4, the oxyalkylene group, m and n indicate the numbers of the oxyethylene group and the oxyalkylene group, respectively.
- the oxyshethylene group and the xyalkylene group described above are randomly copolycondensed, and their molecular weight is 1000 to 20000, and the ratio of m to n is in the range of 60/40 to 90/10.
- R 1 and R z are each a hydrogen atom or a hydrocarbon group having 5 carbon atoms
- AO is an oxyalkylene group having 3 to 4 carbon atoms
- m and n are an oxyethylene group and an oxyalkylene group, respectively.
- the above-mentioned oxyshethylene group and oxyalkylene group are randomly co-polymerized and have a molecular weight of 1,000 to 20,000 and a ratio of m to n of 60/40 to 90/10. is there. )
- a reagent for measuring an immunologically active substance comprising the compound represented by the formula: BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a graph showing the measurement results of CPR by the method of the present invention, wherein a straight line A relates to a ⁇ concentration sample and a straight line B relates to a low concentration sample.
- FIG. 2 is a graph showing the results of measuring the presence or absence of a nonspecific reaction due to fat in a sample.
- R 1 and R 2 when one or both of R 1 and R 2 are a hydrogen atom, the compound is poly (oxyethyleneoxyalkylene) ethanol or alkynol or poly (oxyethyleneoxy). Alkylene) glycol.
- R 1 and R z are hydrocarbon groups, R 1 may be the same or different from R 2 and is usually aliphatic or aliphatic and has 15 carbon atoms. Selected from the groups that have.
- R 1 and R 2 are preferably selected from linear or plate-like alkyl groups having 5 carbon atoms.
- hydrocarbon group examples include a methyl group, an ethyl group, an aryl group, a propyl group, an isopropyl group, an n-butyl group, a tertiary butyl group, an n-amyl group, and an isoamyl group.
- Examples of the oxyalkylene group -OA- include a substituted oxypropylene group, an oxybutylene group, and an oxytetramethylene group.
- the number of the oxechylene group —CH 2 —CH 2 —0— and the number of the oxalkylene group —AO— are limited to 60/40 to 90/10 (at an m / n ratio).
- the molecular weight of the polycondensate of an oxyethylene group and an oxaalkylene group is also limited to 1,000 to 20,000. If the molecular weight is less than 1000, the object of the present invention cannot be achieved, and if it exceeds 20000, the synthesis becomes difficult. Also, the ratio of m and n is limited to 60/40 ⁇ 90 This is because the object of the present invention cannot be achieved outside the range of / 10.
- the compound represented by the formula [I] is known, and its production method and the like are described in JP-B-35-7594, JP-B-57-17008 and the like. Some of these compounds are commercially available from Nippon Oil & Fats Co., Ltd. as a series, and are widely used as bases for metal processing oils and cosmetics.
- the compound of the formula (I) is disclosed in JP-B-60-4938.
- HO (CH 2 CH 2 0) g (CH 3 CHCH 2 0) b (CH 2 CH Z 0) is a random copolycondensate different from the block copolycondensate having the formula: Exhibits completely different physical properties.
- immunologically active substance examples include plasma such as C-reactive protein (CRP), rheumatoid factor (RF), anti-streptolysin 0 (AS0) and transferrin protein, thyroid stimulating hormone (THS), Toryodosai ⁇ Nin (T 3), serum total thyroxine (T 4), thyroxine-binding protein (TBG), silo globulin, insulin, Bok trypsin, elastase, S.
- CRP C-reactive protein
- RF rheumatoid factor
- AS0 anti-streptolysin 0
- transferrin protein thyroid stimulating hormone
- T 3 thyroid stimulating hormone
- T 4 serum total thyroxine
- TBG thyroxine-binding protein
- silo globulin insulin
- Bok trypsin elastase
- triol (E 3) chorionic gonadotropin (HCG), human placental la click preparative one plasminogen (HPL) hormones such as carcinoembryonic antigen (CEA), ⁇ 2 - micro globulin, alpha - tumor-related substances such as Fuwetopurotein (AFP), Viral hepatitis antigens such as HBs antigen, HBs antibody, HBe antigen, HBe antibody, antibodies, antibodies such as mumps, herpes, measles, rubella, cytomegalo, and anti-AIDS antibodies (HIV )).
- the reagent for immunological measurement of the present invention contains the compound of the above formula (I).
- a reaction using an antigen and an antibody not supported on a carrier such as latex particles (2) a reaction using an antigen and an antibody supported on a carrier such as latex particles, and (3) a tube, It can be used for any reaction using antigens and antibodies carried on carriers such as beads and plates.
- the antigen or antibody is allowed to react with the antibody or antigen in the test solution, and then an optical method such as a light scattering method or a spectrophotometric method is used. Measure the change in turbidity of the reaction product with.
- the reaction with the antibody or the antigen in the test solution is performed, the test solution is removed, and then labeled with an enzyme or a radioactive element.
- the amount of bound enzyme or radiation is measured by reacting a secondary antibody or the like, or the amount of unbound enzyme is measured.
- the reagent of the present invention is used when reacting a test liquid or when reacting a labeled secondary antibody or the like.
- the measurement principle, measurement procedure, and measurement apparatus when using the reagent of the present invention are not different from those of conventional EIA, RIA, ELISA, light scattering method and spectrophotometry. Serum is usually used as a test solution, but other body fluid components such as crevicular fluid and urine are also used.
- Assay reagents used in the antigen-antibody reaction include reagents containing antisera, reagents containing antibodies corresponding to the antigens to be measured, reagents containing antigens corresponding to the antibodies to be measured, reaction buffer reagents, and There are diluents and the like for diluting the sample, and the compound of formula [I] exhibits its effect when added to any of these reagents.
- the compound of formula (I) may be, for example, saline, phosphate-buffered saline or It is desirable to use it by dissolving it in a buffered saline such as Tris-HCl buffered saline or a conventional buffer. This buffer solution can also be added to a reagent containing antiserum.
- the pH of the buffer is 5 to 10, preferably 6.5 to 8.5.
- the concentration of the compound of the formula (I) in the reagent varies depending on the method of separation, but when it is added to a reagent containing an antiserum, antibody or antigen or containing no antiserum, antibody or antigen, it is generally 0.01 to 0.01%. 10 (w / v), preferably 0 ⁇ 05 ⁇ 5.
- the concentration of the compound of the formula [I] in the final reaction mixture is from 0.01 to 2, preferably from 0.05 to 1.
- the immunological assay reagent of the present invention containing the compound of the formula [I] contains bovine serum albumin, gelatin or gelatin in order to eliminate the influence of interfering substances contained in the biological sample.
- Polymeric proteins or sugars such as glucose and sucrose can be added.
- the compound represented by the formula [I] can be used in combination with a conventionally used compound such as polyethylene glycol or poloxamer.
- a general method of optically measuring the result of the antigen-antibody reaction is as follows.
- an antigen or a reagent containing an antibody or an antigen specifically reacting with the antibody a buffer containing a compound of the formula [I]
- a sample the antigen or the antibody to be measured in the sample
- the sample is diluted with a buffer containing the compound of formula [I] or a conventional buffer, and mixed at a constant rate, and then mixed at a constant temperature (preferably at 25 ° C to 37 ° C). ° C).
- a suitable instrument for example, in a nephelometer for nephelometry. Compare the results of the sample with those of the control sample to determine the unknown concentration.
- the buffer containing the compound of the formula [I] of the present invention can be mixed with a reagent or a sample containing an antigen or an antibody in advance.
- [ ⁇ ] m of this compound is 240, n is 60, m / n molar ratio is 80/20, and molecular weight is 14058.
- the immunoassay reagent was inverted and mixed with the antiserum against the protein guest above, and mixed and diluted at a ratio of 1: 2, respectively, and this mixture was used as a second reagent.
- the ⁇ concentration sample and the low concentration sample were respectively treated with W human albumin serum.
- Dilution was performed in 10 steps to obtain a sample. Take 5 ⁇ of the diluted sample in a test tube, add 350 of the first reagent, react for 5 minutes, and measure the sample blank at two wavelengths of 340nm main wavelength and 700nm sub wavelength. The measurement was performed using a Hitachi 705 automatic biochemical analyzer manufactured by Hitachi, Ltd. The antiserum prepared first was added to the sample for which the sample blank was measured, and the mixture was allowed to react for 5 minutes after mixing.Measurement was performed at the same two wavelengths, and the value obtained by subtracting the sample blank from the result was the reaction change. It was decided. As a control serum for preparing a calibration curve, N-CRP standard serum manufactured by Beiling Belke was used.
- Figure 1 shows the measurement results for CRP.
- the vertical axis is the CRP concentration (mg / dfl)
- the horizontal axis is the sample dilution ratio.
- Line A is for a high concentration sample (concentration before dilution 36 mg / dfi)
- line B is for a low concentration sample (concentration before dilution 3 mg / dfi).
- the immunological reagent of the present invention used in this example substantially showed a wide range in the antigen antibody reaction, showed a linearity in further measurement, and showed a great sensitivity particularly in a low concentration range. You.
- Transfurin X pre-dilution concentration of high concentration sample 750mg / d £, low dilution concentration sample 10mg / dfi), alpha-1-acid glycoprotein (220mg / d, 70mg / d £), haptoglobin (650mg / d
- d £, 50 mg / dfi alpha 1-antitrypsin
- alpha 1-antitrypsin 340ing / d £, 40 rag / dJ2
- Example 2 Using an immunoassay reagent prepared by dissolving 0.075 (w / v) of the compound of formula (II) in phosphate buffer of PH 7.2 The presence or absence of the reaction was confirmed. Immunoassay reagent l. OmiH intratracheat (fat solution for intravenous injection) was added to 20 ⁇ and mixed well.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Urology & Nephrology (AREA)
- Food Science & Technology (AREA)
- General Physics & Mathematics (AREA)
- Cell Biology (AREA)
- Biotechnology (AREA)
- Medicinal Chemistry (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Peptides Or Proteins (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Steroid Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/678,326 US5296355A (en) | 1988-10-13 | 1989-10-12 | Method for assaying immunologically active substance and reagent therefor |
EP89911400A EP0439611B1 (en) | 1988-10-13 | 1989-10-12 | Method for assaying immunologically active substance and reagent therefor |
KR1019900701249A KR0160103B1 (ko) | 1988-10-13 | 1989-10-12 | 면역학적 활성 물질의 측정방법 및 이를 위한 시약 |
DE68918286T DE68918286T2 (de) | 1988-10-13 | 1989-10-12 | Verfahren zum testen einer immunologisch aktiven substanz und dafür geeignetes reagenz. |
FI911750A FI94911C (fi) | 1988-10-13 | 1991-04-11 | Menetelmä immunologisesti aktiivisen aineen määrittämiseksi ja menetelmässä käyttökelpoinen reagenssi |
DK91664A DK66491D0 (da) | 1988-10-13 | 1991-04-12 | Metode til bestemmelse af immunologisk aktivt stof og reagens dertil |
NO911444A NO301615B1 (no) | 1988-10-13 | 1991-04-12 | Fremgangsmåte for analysering av immunologisk aktiv forbindelse og reagens dertil |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63257846A JP2684069B2 (ja) | 1988-10-13 | 1988-10-13 | 免疫学的活性物質の測定方法及びそのための試薬 |
JP63/257846 | 1988-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1990004179A1 true WO1990004179A1 (en) | 1990-04-19 |
Family
ID=17311964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1989/001051 WO1990004179A1 (en) | 1988-10-13 | 1989-10-12 | Method for assaying immunologically active substance and reagent therefor |
Country Status (11)
Country | Link |
---|---|
US (1) | US5296355A (ja) |
EP (1) | EP0439611B1 (ja) |
JP (1) | JP2684069B2 (ja) |
KR (1) | KR0160103B1 (ja) |
AT (1) | ATE111603T1 (ja) |
AU (1) | AU630376B2 (ja) |
DE (1) | DE68918286T2 (ja) |
DK (1) | DK66491D0 (ja) |
FI (1) | FI94911C (ja) |
NO (1) | NO301615B1 (ja) |
WO (1) | WO1990004179A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0468481A1 (de) * | 1990-07-25 | 1992-01-29 | Roche Diagnostics GmbH | Nichtionische Blockcopolymere aus Propylenoxid und Ethylenoxid |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5627080A (en) * | 1994-07-29 | 1997-05-06 | Beckman Instruments, Inc. | Detergent-facilitated immunoassay for the rapid and quantitative assay of pharmacological agents |
DE4439348A1 (de) * | 1994-11-04 | 1996-05-09 | Boehringer Mannheim Gmbh | Weiße Trigger-Präparationen zur Verbesserung der Signaldetektion bei bio- und chemilumineszenten Reaktionen |
EP0850402A4 (en) * | 1996-07-03 | 1998-12-09 | Anna P Jaklitsch | PRETREATMENT REAGENTS AND RELATED METHODS |
JP4219491B2 (ja) * | 1999-06-18 | 2009-02-04 | 富士フイルム株式会社 | 乾式分析方法及び乾式分析要素 |
JP6242068B2 (ja) * | 2013-04-10 | 2017-12-06 | 積水メディカル株式会社 | ラテックス免疫凝集測定試薬 |
Citations (6)
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JPS357594B1 (ja) * | 1958-05-20 | 1960-06-21 | ||
JPS4961327A (ja) * | 1972-06-09 | 1974-06-14 | ||
JPS5717008B2 (ja) * | 1976-07-20 | 1982-04-08 | ||
JPS5943362A (ja) * | 1982-09-06 | 1984-03-10 | Kainosu:Kk | 免疫学的測定試薬 |
JPS604938B2 (ja) * | 1975-01-29 | 1985-02-07 | ク−パ−.ラボラトリ−ズ.インコ−ポレイテツド | 免疫学的試薬及びその使用方法 |
JPS6271861A (ja) * | 1985-09-12 | 1987-04-02 | ベ−リンガ−・マンハイム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 免疫反応成分測定法及び該方法を実施するための試薬 |
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BE787398A (fr) * | 1971-08-10 | 1973-02-12 | Basf Ag | Alcools oxalcoyles et preparations detergentes les contenant comme anti-mousses |
US3862243A (en) * | 1972-02-17 | 1975-01-21 | Int Flavors & Fragrances Inc | Mixed oxyalkylates employed as antifoamers |
US3880989A (en) * | 1973-01-30 | 1975-04-29 | Baxter Laboratories Inc | Production of antisera comprising fractionating plasma or serum with an ethylene oxide-polyoxypropylene block copolymer |
US4148869A (en) * | 1975-03-06 | 1979-04-10 | Baxter Travenol Laboratories, Inc. | Immunological reagent and method of using same |
DE2927170C2 (de) * | 1979-07-05 | 1984-01-19 | Schill & Seilacher GmbH & Co, 7030 Böblingen | Präparationsmittel zur Herstellung von synthetischen Filamenten |
DE2918826A1 (de) * | 1979-05-10 | 1980-11-27 | Basf Ag | Verwendung von alkoxylierten alkoholen als biologisch abbaubare, schaumarme tenside in wasch- und reinigungsmitteln |
JPS6331448Y2 (ja) * | 1980-07-01 | 1988-08-23 | ||
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JPS604938U (ja) * | 1983-06-23 | 1985-01-14 | 三井造船株式会社 | 自動採水装置 |
DE3327642A1 (de) * | 1983-07-30 | 1985-02-14 | Boehringer Mannheim Gmbh, 6800 Mannheim | Verfahren zur bestimmung eines partners einer immunreaktion sowie reagens zur durchfuehrung dieses verfahrens |
GB2145726A (en) * | 1983-08-26 | 1985-04-03 | Diversey Corp | Surface active agents |
US4810630A (en) * | 1987-03-30 | 1989-03-07 | E. I. Du Pont De Nemours And Company | Use of polyoxyethylene ethers to improve the performance of immunoassays employing peroxidase conjugates |
-
1988
- 1988-10-13 JP JP63257846A patent/JP2684069B2/ja not_active Expired - Lifetime
-
1989
- 1989-10-12 DE DE68918286T patent/DE68918286T2/de not_active Expired - Fee Related
- 1989-10-12 KR KR1019900701249A patent/KR0160103B1/ko not_active IP Right Cessation
- 1989-10-12 AU AU43489/89A patent/AU630376B2/en not_active Ceased
- 1989-10-12 WO PCT/JP1989/001051 patent/WO1990004179A1/ja active IP Right Grant
- 1989-10-12 US US07/678,326 patent/US5296355A/en not_active Expired - Fee Related
- 1989-10-12 EP EP89911400A patent/EP0439611B1/en not_active Expired - Lifetime
- 1989-10-12 AT AT89911400T patent/ATE111603T1/de not_active IP Right Cessation
-
1991
- 1991-04-11 FI FI911750A patent/FI94911C/fi active
- 1991-04-12 DK DK91664A patent/DK66491D0/da not_active Application Discontinuation
- 1991-04-12 NO NO911444A patent/NO301615B1/no not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS357594B1 (ja) * | 1958-05-20 | 1960-06-21 | ||
JPS4961327A (ja) * | 1972-06-09 | 1974-06-14 | ||
JPS604938B2 (ja) * | 1975-01-29 | 1985-02-07 | ク−パ−.ラボラトリ−ズ.インコ−ポレイテツド | 免疫学的試薬及びその使用方法 |
JPS5717008B2 (ja) * | 1976-07-20 | 1982-04-08 | ||
JPS5943362A (ja) * | 1982-09-06 | 1984-03-10 | Kainosu:Kk | 免疫学的測定試薬 |
JPS6271861A (ja) * | 1985-09-12 | 1987-04-02 | ベ−リンガ−・マンハイム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 免疫反応成分測定法及び該方法を実施するための試薬 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0468481A1 (de) * | 1990-07-25 | 1992-01-29 | Roche Diagnostics GmbH | Nichtionische Blockcopolymere aus Propylenoxid und Ethylenoxid |
US5248620A (en) * | 1990-07-25 | 1993-09-28 | Boehringer Mannheim Gmbh | Non-ionic block copolymers of propylene oxide and ethylene oxide |
Also Published As
Publication number | Publication date |
---|---|
EP0439611B1 (en) | 1994-09-14 |
EP0439611A1 (en) | 1991-08-07 |
KR0160103B1 (ko) | 1999-03-30 |
JPH02103466A (ja) | 1990-04-16 |
DE68918286D1 (de) | 1994-10-20 |
DK66491A (da) | 1991-04-12 |
US5296355A (en) | 1994-03-22 |
DK66491D0 (da) | 1991-04-12 |
DE68918286T2 (de) | 1995-02-23 |
FI94911B (fi) | 1995-07-31 |
FI911750A0 (fi) | 1991-04-11 |
FI94911C (fi) | 1995-11-10 |
NO911444D0 (no) | 1991-04-12 |
NO911444L (no) | 1991-05-16 |
EP0439611A4 (en) | 1992-03-11 |
AU4348989A (en) | 1990-05-01 |
JP2684069B2 (ja) | 1997-12-03 |
KR900702369A (ko) | 1990-12-06 |
ATE111603T1 (de) | 1994-09-15 |
AU630376B2 (en) | 1992-10-29 |
NO301615B1 (no) | 1997-11-17 |
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