WO1997001761A1 - Methode et necessaire de dosage - Google Patents
Methode et necessaire de dosage Download PDFInfo
- Publication number
- WO1997001761A1 WO1997001761A1 PCT/JP1996/001769 JP9601769W WO9701761A1 WO 1997001761 A1 WO1997001761 A1 WO 1997001761A1 JP 9601769 W JP9601769 W JP 9601769W WO 9701761 A1 WO9701761 A1 WO 9701761A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- capture substance
- gelatin
- substance
- sample
- analyte
- 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
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54366—Apparatus specially adapted for solid-phase testing
-
- 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
Definitions
- the present invention relates to an inspection method and an inspection kit, and more particularly, to an inspection method using a chromatographic strip and an inspection method used in the inspection method.
- an inspection method using a chromatographic strip and an inspection method used in the inspection method is provided.
- a method using a chromatographic strip is known. Chromatographic strips are described in, for example, JP-A-60-192226, JP-A-638865, and JP-A-3-176695.
- a tracer consisting of a capture substance marker that specifically binds to an analyte is a chromatographic expansion.
- the capture substance 2 according to the present invention which is added to the sample or added at the time of sample addition and binds specifically to the analyte, is fixed downstream of the sample. It has a chromatographic carrier. The sample solution is added to the chromatographic carrier where the tracer is located, or the tracer and sample solution are added together.
- the product binds to the tracer, and both the tracer to which the analyte is bound and the tracer to which the analyte is not bound are chromatographed. It is deployed in the long side direction of the strip, that is, in the downstream direction.
- the tracer reaches the area where the capture substance 2 is immobilized, only the analyte (to which the tracer is bound) binds to the capture substance 2 and The laser is accumulated there, and the tracer to which the analyte is not bound flows out downstream.
- the presence or absence and the amount of the test substance in the sample aqueous solution can be known from the color development at the portion where the trapping substance 2 is fixed.
- Japanese Patent Application Laid-Open No. 3-17669-59 describes that all or a part of the labeling region of the present invention is wrapped with gelatin. Yes.
- the problem to be solved by the present invention is to provide an inspection method using a chromatographic strip with improved detection sensitivity and the like.
- Another object of the present invention is to provide an inspection kit for use in an inspection method with improved detection sensitivity and the like. Disclosure of the invention
- the present inventors either add gelatin to a specific position of a chromatographic carrier at the time of adding a sample, or preliminarily arrange gelatin at a specific position of a chromatographic carrier.
- the detection sensitivity is significantly increased, the detection time can be reduced, and the phenomenon of the phenomenon in the sandwich method is reduced. It has been found that various aspects of conventional inspection methods and inspection kits can be improved, for example.
- one of the inventions is a capture substance 2 which binds directly to an analyte or indirectly via a capture substance 3 which binds to both the analyte and the capture substance 2.
- a capture substance 2 which binds directly to an analyte or indirectly via a capture substance 3 which binds to both the analyte and the capture substance 2.
- capture substance 1 that specifically binds to the analyte or specifically binds to capture substance 2 in competition with the analyte and capture substance 4 that specifically binds to capture substance 2
- the chromatographic carrier which has at least a fixed binding region downstream of the region where the trapping substance 2 is immobilized, the trapping substance marker It is placed beforehand in the upstream of the binding region so that the tracer consisting of the car can develop chromatographic graphs, or it is added at the time of sample addition.
- gelatin is sampled upstream of the binding region. Does it added during the addition, or Zerah Ji down the upstream in by Oh Tsu preparative les p o over the pre-positioned of the coupling region. This inspection method is characterized in that it is placed beforehand in an area excluding the marked area
- Still another aspect of the present invention relates to a method for forming the chromatographic strip and gelatin, or in the upstream of the binding region of the chromatographic carrier.
- a test key that has at least a gelatin-distributed chromatographic strip in which gelatin is pre-arranged in the area excluding the labeled area Is
- Fig. 1 is an illustration of chromatograph strips.
- Fig. 2 shows the results of the inspection according to the inspection method of the present invention (Example 2).
- Fig. 3 shows the inspection results by the inspection method of the present invention (Example 3).
- an analyte whose presence or absence or its abundance is detected in a sample includes a compound that specifically binds to the analyte. Anything is fine.
- compounds into which piotin has been introduced to which avidin binds specifically
- compounds having avidin, complementary DNA, and compounds having antigenicity Is a compound that specifically binds to a hapten, a specific antigen, an antibody, an antibody fragment that specifically binds to an antibody antigen, or a compound that specifically binds to a sugar ligand.
- Sugar ligands that specifically bind to tin, lectin, and other ligands that specifically bind to receptors, and specifically bind to ligands The first class of the receptor is increased.
- a microorganism a virus; a pathogenic microorganism, a specific antigen such as a virus, an antigen such as a tumor marker monoantigen such as a prostate cancer; a microorganism; a virus infection;
- Antibodies produced by the above antibodies such as self-antibodies, antibodies such as acute-phase protein antigens; fecal hemoglobin or antigens specific to hemoglobin; specific antigens Cells exhibiting specific sugar ligands, cells such as cells having specific receptors; thyroid hormone, parathyroid hormone, gonad stimulation
- Physiologically active proteins or peptides such as hormones such as luminone, cytokines, and monokinin; enzymes, proteodaricans, and 7 seminopes Proteins or glycoproteins such as rotatin and amyloid breaker; low molecular chemicals in blood Or a drug; a signaling factor such as
- the capture substance 1 consists of a compound that specifically captures and binds to the analyte or that specifically binds (captures) to the capture substance 2 described below in competition with the analyte. That is, for example, when the analyte is an antigen, the antibody or the antibody fragment that specifically binds to the antigen is used.
- an antibody includes an antibody fragment that specifically binds to an antigen.
- a compound that specifically binds to an antigen or an antibody hereinafter “antigen”. Is a compound that specifically binds to an antibody.
- the trapping substance 1 is a receptor (or a receptor). Compound) or a ligand, and when it is a receptor, it is a ligand or a receptor.
- the capture substance 1 may specifically bind to the capture substance 3 via the target substance and, as a result, bind to the capture substance 2 via the capture substance 3 in some cases.
- the binding between the analyte and the capture substance 1 may be reversible or irreversible, but if the binding strength is too weak, the detection sensitivity will decrease.
- a marker is added to the trapping substance 1 to form a tracer.
- the method of adding a marker to the trapping substance 1 may be such that the trapping substance 1 is adsorbed or included in the marker, or the trapping substance 1 is bonded by a hydrogen bond or a covalent bond. You may let it.
- the trapping substance 1 has been added to an extent that it is not more easily detached from the marker and added so that it can be recognized by the analyte or the trapping substance 2.
- Markers that need to be present indicate the presence of trapping substance 1 by binding to the analyte, trapping substance 2 described below, or trapping substance 4 described below. It emits color immediately.
- the marker desirably consists of fine particles that are water-insoluble and have poor water repellency.
- Examples of desirable markers are metal colloids such as gold colloids, non-metallic colloids such as serenium colloids; organic colloids; Dye particles; colored organic polymers such as colored polystyrene; and oil-based fine particles such as ribosome in which a color former is encapsulated.
- a coloring agent is added.
- the coloring agent include a fluorescent substance and a coloring substance in the ultraviolet region in addition to the ordinary coloring agent in the visible region.
- a substance that develops a color including fluorescence by an enzyme or the like disposed in a binding region or the like is also included in the color former of the present invention.
- a tracer either by itself or bound to the analyte, is loaded with sample liquid to the chromatographic strip. When it is released, it expands and moves into the chromatographic carrier. When used, the tracer is used as a solution (or suspension), but it can be stored in powder form by freeze-drying or the like.
- a chromatographic carrier section soaked in a tracer aqueous solution and dried is placed upstream of the binding region described later and at an appropriate distance from the binding region.
- it is a method of previously disposing on a base material or a chromatographic carrier.
- the sign area is a place where the trainer is placed.
- the second is a method in which a tracer is added to a chromatographic carrier when a sample is added.
- the chromatographic strip has no indicator area.
- Capture substance 2 binds the tracer containing the analyte via the analyte, or binds the tracer containing the capture substance 1 to the tracer containing the analyte. It binds via capture substance 1. When binding via the latter capture substance, the capture substance 2 competes with the analyte. Bind to. In each case, the capture substance 2 specifically binds to the analyte. Furthermore, by specifically binding to the trapping substance 3 that specifically binds to the analyte, the capture substance 3 is configured to indirectly bind to the analyte. It may be.
- an antibody is an antibody molecule that specifically binds to the antigen as defined above
- the capture substance 2 is an antibody and the capture substance 1 is also an antibody, it is desirable that the capture substance 2 recognizes different epitopes of the analyte antigen.
- the analyte is an antibody
- it is an antigen (“antigen” includes a compound that specifically binds to the antibody as defined above), and If it is a receptor, it is a ligand, and if it is a ligand, it is a receptor.
- avidin, anti-biotin antibody, lectin, etc. are examples of capture substance 2. It is done.
- a covalent bond between an appropriate functional group of the chromatographic support and the functional group of the capture substance 2 is required. This may be performed, or the trapping substance 2 may be firmly adsorbed to the chromatographic carrier. Furthermore, the captured substance 2 These fine particles may be bonded or adsorbed to the particles, and the fine particles may be dispersed and fixed in a chromatographic carrier.
- the term “fixed” as used herein means that the substance is arranged so that it is not substantially diffused and unfolded by the aqueous solvent. The region where the capture substance 2 is fixed is called the binding region.
- capture substance 1 capture substance 2, capture substance 3 or capture substance 4 is an antibody
- a monoclonal antibody is often used, but a serum antibody is used. Even if necessary, it can be used by appropriate means such as absorption operation, selection of antigen or animal species, etc.
- the capture substance 3 is a complex consisting of a part that specifically binds to the analyte and a part that specifically binds to the capture substance 2.
- the portion that specifically binds to the analyte is an antigen when the analyte is an antibody, an antibody when the antigen is an antigen, and an antibody, as described in detail in Capture substance 1.
- the portion that specifically binds to capture substance 2 is, for example, biotin when capture substance 2 is avidin, and anti-biotin when capture substance 2 is biotin.
- it is an antibody, avidin, or lectin it is a sugar ligand.
- Capture substance 3 may be any selected region upstream of the binding region
- the chromatographic carrier is developed and moved into the chromatographic carrier. Either it is placed on a carrier in advance or added to a chromatographic carrier when a sample is added. The placement method was described in detail in the section on placement of the trainer.
- Capture substance 4 binds specifically to capture substance 1
- the chromatographic carrier may be any carrier that can develop a solute with an aqueous solvent.
- a carrier for example, Cellulose, Nitrocellulose, Cellulose Acetate, Polyacrylate, Glass, Agarose, Poly
- the nonwoven fabric is made of urethane or the like and a combination of these and inorganic powder.
- a chromatographic strip can be obtained by attaching an appropriate base material to the chromatographic carrier as necessary.
- zen is obtained from vertebrate animals such as fish or mammals.
- the melting temperature of the gelatin gel is preferably 15 ° C or more, more preferably [25 ° C or more].
- the melting temperature of gelatin gel is measured by the following method.
- Gelatin is used at the time of adding a sample solution, or is used by being arranged on a chromatographic carrier in advance.
- the sample solution may be dissolved in the sample solution, or may be added as a gelatin aqueous solution separately from the sample solution. It is usually desirable to use the same aqueous solvent used to make the aqueous latin solution when making the sample liquid.
- the gelatin concentration of the gelatin solution is preferably 0 or 5% by weight.
- the amount of gelatin should be preliminarily set to the weight percent of the above sample solution.
- gelatin When gelatin is added to the sample solution, When it is added, it is added to any region upstream of the binding region.
- pre-positioning gelatin Is located upstream of the binding region and in a region other than the labeling region.
- an optimal site is appropriately selected in advance, but if arranged in the region 7, the best result may be obtained.
- the chromatographic carrier section that has been impregnated with the gelatin solution and dried is placed on the substrate or the chromatographic carrier.
- a binding area is used.
- the tin is added or pre-arranged between the area where the capture substance 2 is fixed and the area where the capture substance 4 is fixed.
- gelatin When gelatin is used by a method other than the method of the present invention, for example, when gelatin is preliminarily arranged in the labeling region, in many cases, the detection time is prolonged and the detection sensitivity is lowered. And other problems. On the other hand, for example, when gelatin is used at the time of adding a sample, such a problem does not occur even if it is added to the labeled region. This is a If the marker is placed in the labeling area in advance, gelatin may have some effect on the labeling substance while the chromatographic strip is stored. It is thought that it depends.
- the aqueous solvent of the sample solution may be water, but usually a pH buffer is used.
- the pH of the aqueous solvent is preferably in the range of 5 or 9.
- the sample solution is added to the labeling region or upstream of the labeling region when there is a labeling region, and to the upstream of the binding region when there is no labeling region.
- the addition here means that the sample aqueous solution is placed on the chromatographic strip, and the uppermost end of the chromatographic strip. May be immersed in the sample solution.
- the tracer and / or the trapping substance 3 are not preliminarily placed on the chromatographic carrier, they are added at the time of sample addition.
- the addition method is usually added together with the sample.
- the inspection kit of the present invention There are two cases for the inspection kit of the present invention. The first is when the gelatin is not pre-placed and the chromatographic strip is at least in combination with the gelatin. . In this case, an aqueous solvent or the like may be further combined. In addition, gelatin is dissolved even if it is dissolved in an aqueous solvent. You don't have to.
- the second case is when it is made up of a gelatin-distributed chromatographic strip. In this case, other components such as an aqueous solvent may be further combined.
- a powdery or aqueous solution such as lyophilized (Or suspension).
- Figure 1 shows the chromatographic strip when the marker area is located.
- the chromatographic strip 1 is composed of a chromatographic carrier 2 and, if necessary, a base material.
- the chromatographic carrier 2 has a labeling region 3 in which the tracer is arranged so as to be developable in an aqueous solvent.
- the upstream area 5 of the labeling area 3 is arranged as needed, and when it is arranged, it often serves as a sample liquid addition site.
- the suspension in the sample solution can be filtered and, in addition, it can contain auxiliary substances to facilitate the test.
- auxiliary substance a colorimetric test of insoluble matrix, which makes the binding reaction between the analyte and capture substance 1 more specific or more quantitative.
- drugs etc. There are drugs etc.
- the analyte in the sample binds to the trapping substance 1, and It is labeled by a server.
- the tracer bound to the object and the tracer not bound to the object and the object are moved clockwise to the right in FIG. 1 immediately downstream. Unfold and move to reach binding area 4 located downstream of labeling area 3
- the labeling region 3 and the binding region 4 are not directly connected to each other, but are arranged at regular intervals when selected as appropriate.
- gelatin may be placed on the surface, or the labeling substance 3 may be placed so that it can be developed on a chromatographic graph. Marker color formers may also be placed
- the connection region 4 has the following two cases. Immediately, the first is that the tracer that captures the analyte is captured here and develops color, or the tracer competes with the analyte and the tracer is exposed here. This is the case where color is captured and captured. Second, the capture substance 4 is located downstream of the area where the capture substance 2 is immobilized (in the first case, this area was used as the binding area). Is fixed. In this case, they are appropriately arranged as necessary, but when they are arranged and used for detecting coloration, they are referred to as a combined region 4. In the second case, the tracer 1 which competed with the analyte and could not bind to the capture substance 2 and was not captured was captured by the capture substance 4 in this binding region and developed color. You
- the trapping substance 3 When the trapping substance 3 is arranged, the trapping substance 3 binds to the detection target trapped by the tracer, and the tracer / detection target trapping substance 3 The complex binds to the capturing substance 2 via the capturing substance 3 and stops at the binding region 4. Alternatively, the capture substance 3 binds to the capture substance 2 and specifically binds to the analyte in the binding region 4.
- the downstream region 6 of the binding region 4 is a laser in which the target substance is not bound via the capture substance 1 when the target substance 1 binds to the target substance. It is provided as necessary so that the soluble substances other than the analyte in the sample liquid may flow out in order to allow the liquid to flow out. Further, in the downstream region 6, a pH indicator, for example, which is colored when the aqueous solvent of the sample aqueous solution flows, is disposed, and thereby, detection is performed. You may be able to determine reliability If the marker area 3 does not have a chromatographic strip, the test is performed in the same manner as above, except that a tracer is added at the time of sample addition. It is done.
- the obtained serenium colloid was diluted with 10 mM pistol buffer (pH 7.0) so that the absorbance at 55 O nm became 15. .
- a mouse monoclonal anti-human hemoglobin antibody (0.02%), and the mixture was stirred at room temperature for 1 hour.
- the anti-human hemoglobin antibody labeled with the obtained serenium colloid is washed with 10 mM Tris-HCl buffer (pH 7.2). And made it a tracer.
- the above-mentioned anti-motoglobulin antibody is a mouse monoclonal antibody that has a different binding site to human hemoglobin.
- a chromatographic carrier a 0.2 x 4.5 cm rectangular pore 5 jum double-cellulose membrane (US Sch 1 eicher & Schuell ), A rectangular laminate of 100 mm thick (0.4 m x 0.6 mm) (PET 100 PELR 07 A) manufactured by Lintec Co., Ltd. It is attached so that the upper edge is aligned when the long side is vertical. After dropping a solution containing the antibody linearly about 1 cm from the lower end of the nitrose cellulose film to which the laminate is attached, dry thoroughly. An anti-human hemoglobin antibody was immobilized.
- the sensitivity was about 80 times higher than when not used (b).
- Example 1 the judgment was made at 1 minute intervals from 1 minute to 12 minutes after the addition of the sample solution.
- Example 1 the concentration of human hemoglobin in the sample solution was set to the value shown in FIG. Figure 3 shows the results. As can be seen from Figure 3 To the measurable human when gelatin was used (line a), and the measurement was performed when the upper limit of the concentration of mogrobin was not used (line b). About 10 times higher than the upper limit. Immediately, the use of gelatin reduces the phenomenon of erosion.
- Example 1 gelatin was used as shown in Table 2, and human hemoglobin was detected. However, human hemoglobin is 10 ng
- the detection sensitivity of the test substance can be increased. Furthermore, the time required for detection can be shortened. In addition, the so-called zoning phenomenon in the sandwich method is reduced.
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- Health & Medical Sciences (AREA)
- Immunology (AREA)
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- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
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- Hematology (AREA)
- Urology & Nephrology (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Cell Biology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI9606500-1A BR9606500B1 (pt) | 1995-06-27 | 1996-06-26 | processo de determinaÇço e kit para uso em determinaÇço. |
AU62419/96A AU6241996A (en) | 1995-06-27 | 1996-06-26 | Assay method and assay kit |
KR1019970701223A KR100411406B1 (ko) | 1995-06-27 | 1996-06-26 | 검사용키트 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7160610A JPH1138006A (ja) | 1995-06-27 | 1995-06-27 | 検査方法及び検査用キット |
JP7/160610 | 1995-06-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997001761A1 true WO1997001761A1 (fr) | 1997-01-16 |
Family
ID=15718665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1996/001769 WO1997001761A1 (fr) | 1995-06-27 | 1996-06-26 | Methode et necessaire de dosage |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPH1138006A (ja) |
KR (1) | KR100411406B1 (ja) |
CN (1) | CN1157040A (ja) |
AU (1) | AU6241996A (ja) |
BR (1) | BR9606500B1 (ja) |
WO (1) | WO1997001761A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001004614A1 (en) * | 1999-07-13 | 2001-01-18 | Wakunaga Pharmaceutical Co., Ltd. | Electrochemical biosensor using silver silver chloride electrode and chromatography matrix |
WO2014069512A1 (ja) * | 2012-10-31 | 2014-05-08 | 住友ベークライト株式会社 | 糖鎖認識分子を検出するための膜担体 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4402263B2 (ja) * | 1999-06-21 | 2010-01-20 | パナソニック株式会社 | クロマトグラフィー定量測定装置 |
CN102012413B (zh) | 2000-09-25 | 2012-11-21 | 松下电器产业株式会社 | 色层分析定量测量装置 |
DE60117699T2 (de) * | 2000-12-26 | 2006-10-19 | Matsushita Electric Industrial Co., Ltd., Kadoma | Analyseverfahren durch spezifisches binden und vorrichtung, die das verfahren einsetzt |
US9903865B2 (en) | 2010-03-31 | 2018-02-27 | Sekisui Medical Co., Ltd. | Assay, immunochromatographic test strip, and assay reagent kit for measuring an analyte, using a hematocrit correction |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5598359A (en) * | 1978-12-22 | 1980-07-26 | Amano Pharmaceut Co Ltd | Removing method of non-characteristic obstacle operation in immunity determination method |
JPS5642142A (en) * | 1979-08-31 | 1981-04-20 | Amano Pharmaceut Co Ltd | Removing method for nonspecific reaction inhibiting action in immunity measuring method |
JPS6298260A (ja) * | 1985-10-25 | 1987-05-07 | Nitto Electric Ind Co Ltd | 免疫活性物質測定キツト |
JPS6463865A (en) * | 1987-03-27 | 1989-03-09 | Becton Dickinson Co | Solid phase immunoassay |
JPH03176659A (ja) * | 1989-10-05 | 1991-07-31 | Abbott Lab | クロマトグラフィーストリップ結合アッセイ装置 |
JPH06289025A (ja) * | 1993-03-31 | 1994-10-18 | Cosmo Sogo Kenkyusho:Kk | ブロッキング用非特異反応防止組成物及び固相担体 |
JPH07128335A (ja) * | 1993-10-29 | 1995-05-19 | Tosoh Corp | 免疫測定用担体を製造する方法 |
-
1995
- 1995-06-27 JP JP7160610A patent/JPH1138006A/ja active Pending
-
1996
- 1996-06-26 BR BRPI9606500-1A patent/BR9606500B1/pt not_active IP Right Cessation
- 1996-06-26 AU AU62419/96A patent/AU6241996A/en not_active Abandoned
- 1996-06-26 KR KR1019970701223A patent/KR100411406B1/ko not_active IP Right Cessation
- 1996-06-26 CN CN96190671A patent/CN1157040A/zh active Pending
- 1996-06-26 WO PCT/JP1996/001769 patent/WO1997001761A1/ja active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5598359A (en) * | 1978-12-22 | 1980-07-26 | Amano Pharmaceut Co Ltd | Removing method of non-characteristic obstacle operation in immunity determination method |
JPS5642142A (en) * | 1979-08-31 | 1981-04-20 | Amano Pharmaceut Co Ltd | Removing method for nonspecific reaction inhibiting action in immunity measuring method |
JPS6298260A (ja) * | 1985-10-25 | 1987-05-07 | Nitto Electric Ind Co Ltd | 免疫活性物質測定キツト |
JPS6463865A (en) * | 1987-03-27 | 1989-03-09 | Becton Dickinson Co | Solid phase immunoassay |
JPH03176659A (ja) * | 1989-10-05 | 1991-07-31 | Abbott Lab | クロマトグラフィーストリップ結合アッセイ装置 |
JPH06289025A (ja) * | 1993-03-31 | 1994-10-18 | Cosmo Sogo Kenkyusho:Kk | ブロッキング用非特異反応防止組成物及び固相担体 |
JPH07128335A (ja) * | 1993-10-29 | 1995-05-19 | Tosoh Corp | 免疫測定用担体を製造する方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001004614A1 (en) * | 1999-07-13 | 2001-01-18 | Wakunaga Pharmaceutical Co., Ltd. | Electrochemical biosensor using silver silver chloride electrode and chromatography matrix |
JP4695316B2 (ja) * | 1999-07-13 | 2011-06-08 | 湧永製薬株式会社 | 銀・塩化銀電極及びこれを用いた電気化学的バイオセンサー |
WO2014069512A1 (ja) * | 2012-10-31 | 2014-05-08 | 住友ベークライト株式会社 | 糖鎖認識分子を検出するための膜担体 |
JP2014089149A (ja) * | 2012-10-31 | 2014-05-15 | Sumitomo Bakelite Co Ltd | 糖鎖認識分子を検出するための膜担体 |
Also Published As
Publication number | Publication date |
---|---|
AU6241996A (en) | 1997-01-30 |
JPH1138006A (ja) | 1999-02-12 |
KR100411406B1 (ko) | 2004-04-28 |
BR9606500A (pt) | 1998-07-14 |
CN1157040A (zh) | 1997-08-13 |
BR9606500B1 (pt) | 2009-01-13 |
KR970705752A (ko) | 1997-10-09 |
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