CA2151060A1 - Light scatter-based immunoassay without particle self aggregation - Google Patents
Light scatter-based immunoassay without particle self aggregationInfo
- Publication number
- CA2151060A1 CA2151060A1 CA002151060A CA2151060A CA2151060A1 CA 2151060 A1 CA2151060 A1 CA 2151060A1 CA 002151060 A CA002151060 A CA 002151060A CA 2151060 A CA2151060 A CA 2151060A CA 2151060 A1 CA2151060 A1 CA 2151060A1
- Authority
- CA
- Canada
- Prior art keywords
- microspheres
- analyte
- dimension
- histogram
- fluid sample
- 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.)
- Abandoned
Links
- 238000003018 immunoassay Methods 0.000 title claims abstract description 15
- 239000002245 particle Substances 0.000 title claims description 110
- 238000004220 aggregation Methods 0.000 title description 3
- 230000002776 aggregation Effects 0.000 title description 2
- 239000004005 microsphere Substances 0.000 claims abstract description 157
- 239000012491 analyte Substances 0.000 claims abstract description 138
- 238000009739 binding Methods 0.000 claims abstract description 87
- 230000027455 binding Effects 0.000 claims abstract description 81
- 239000002923 metal particle Substances 0.000 claims abstract description 72
- 239000012530 fluid Substances 0.000 claims abstract description 62
- 238000009826 distribution Methods 0.000 claims abstract description 33
- 239000000427 antigen Substances 0.000 claims abstract description 29
- 102000036639 antigens Human genes 0.000 claims abstract description 27
- 108091007433 antigens Proteins 0.000 claims abstract description 27
- 230000008859 change Effects 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 230000005764 inhibitory process Effects 0.000 claims abstract description 9
- 239000000084 colloidal system Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 75
- 239000000203 mixture Substances 0.000 claims description 49
- 239000003153 chemical reaction reagent Substances 0.000 claims description 34
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 32
- 230000000295 complement effect Effects 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 229910052737 gold Inorganic materials 0.000 claims description 23
- 239000010931 gold Substances 0.000 claims description 23
- 230000003287 optical effect Effects 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 239000011541 reaction mixture Substances 0.000 claims description 7
- 230000009871 nonspecific binding Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 5
- 230000001404 mediated effect Effects 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 2
- 238000003556 assay Methods 0.000 abstract description 40
- 230000002452 interceptive effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011002 quantification Methods 0.000 abstract 1
- 239000002516 radical scavenger Substances 0.000 abstract 1
- 239000004816 latex Substances 0.000 description 41
- 229920000126 latex Polymers 0.000 description 40
- 239000000523 sample Substances 0.000 description 37
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 description 20
- 210000002966 serum Anatomy 0.000 description 20
- 102000011923 Thyrotropin Human genes 0.000 description 14
- 108010061174 Thyrotropin Proteins 0.000 description 14
- JKMHFZQWWAIEOD-UHFFFAOYSA-N 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid Chemical compound OCC[NH+]1CCN(CCS([O-])(=O)=O)CC1 JKMHFZQWWAIEOD-UHFFFAOYSA-N 0.000 description 13
- 239000007995 HEPES buffer Substances 0.000 description 13
- 230000004520 agglutination Effects 0.000 description 13
- 239000000725 suspension Substances 0.000 description 11
- 102000004169 proteins and genes Human genes 0.000 description 9
- 108090000623 proteins and genes Proteins 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 8
- 238000011534 incubation Methods 0.000 description 8
- 238000005119 centrifugation Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 6
- 229930195725 Mannitol Natural products 0.000 description 6
- 238000007818 agglutination assay Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 6
- 239000000594 mannitol Substances 0.000 description 6
- 235000010355 mannitol Nutrition 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 239000000872 buffer Substances 0.000 description 5
- 230000002596 correlated effect Effects 0.000 description 5
- 235000013861 fat-free Nutrition 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000002965 ELISA Methods 0.000 description 4
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000003127 radioimmunoassay Methods 0.000 description 4
- 239000012536 storage buffer Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 239000012131 assay buffer Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 239000013060 biological fluid Substances 0.000 description 3
- 230000002939 deleterious effect Effects 0.000 description 3
- 230000028161 membrane depolarization Effects 0.000 description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 description 3
- 235000008476 powdered milk Nutrition 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000004471 Glycine Substances 0.000 description 2
- 102000008394 Immunoglobulin Fragments Human genes 0.000 description 2
- 108010021625 Immunoglobulin Fragments Proteins 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 102000009843 Thyroglobulin Human genes 0.000 description 2
- 108010034949 Thyroglobulin Proteins 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000001493 electron microscopy Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 235000015320 potassium carbonate Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229960002175 thyroglobulin Drugs 0.000 description 2
- 102100023635 Alpha-fetoprotein Human genes 0.000 description 1
- 241000283707 Capra Species 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- XUIIKFGFIJCVMT-GFCCVEGCSA-N D-thyroxine Chemical compound IC1=CC(C[C@@H](N)C(O)=O)=CC(I)=C1OC1=CC(I)=C(O)C(I)=C1 XUIIKFGFIJCVMT-GFCCVEGCSA-N 0.000 description 1
- LTMHDMANZUZIPE-AMTYYWEZSA-N Digoxin Natural products O([C@H]1[C@H](C)O[C@H](O[C@@H]2C[C@@H]3[C@@](C)([C@@H]4[C@H]([C@]5(O)[C@](C)([C@H](O)C4)[C@H](C4=CC(=O)OC4)CC5)CC3)CC2)C[C@@H]1O)[C@H]1O[C@H](C)[C@@H](O[C@H]2O[C@@H](C)[C@H](O)[C@@H](O)C2)[C@@H](O)C1 LTMHDMANZUZIPE-AMTYYWEZSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 101100381989 Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139) broA gene Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 208000031886 HIV Infections Diseases 0.000 description 1
- 101710123026 High molecular weight antigen Proteins 0.000 description 1
- 101000800133 Homo sapiens Thyroglobulin Proteins 0.000 description 1
- 206010020460 Human T-cell lymphotropic virus type I infection Diseases 0.000 description 1
- 241000714260 Human T-lymphotropic virus 1 Species 0.000 description 1
- 241000714259 Human T-lymphotropic virus 2 Species 0.000 description 1
- 241000713340 Human immunodeficiency virus 2 Species 0.000 description 1
- 206010029719 Nonspecific reaction Diseases 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 102000007562 Serum Albumin Human genes 0.000 description 1
- 108010071390 Serum Albumin Proteins 0.000 description 1
- 101710084578 Short neurotoxin 1 Proteins 0.000 description 1
- 101710182223 Toxin B Proteins 0.000 description 1
- 101710182532 Toxin a Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 108010026331 alpha-Fetoproteins Proteins 0.000 description 1
- 230000009830 antibody antigen interaction Effects 0.000 description 1
- 230000000890 antigenic effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 102000023732 binding proteins Human genes 0.000 description 1
- 108091008324 binding proteins Proteins 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 230000009918 complex formation Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- LTMHDMANZUZIPE-PUGKRICDSA-N digoxin Chemical compound C1[C@H](O)[C@H](O)[C@@H](C)O[C@H]1O[C@@H]1[C@@H](C)O[C@@H](O[C@@H]2[C@H](O[C@@H](O[C@@H]3C[C@@H]4[C@]([C@@H]5[C@H]([C@]6(CC[C@@H]([C@@]6(C)[C@H](O)C5)C=5COC(=O)C=5)O)CC4)(C)CC3)C[C@@H]2O)C)C[C@@H]1O LTMHDMANZUZIPE-PUGKRICDSA-N 0.000 description 1
- 229960005156 digoxin Drugs 0.000 description 1
- LTMHDMANZUZIPE-UHFFFAOYSA-N digoxine Natural products C1C(O)C(O)C(C)OC1OC1C(C)OC(OC2C(OC(OC3CC4C(C5C(C6(CCC(C6(C)C(O)C5)C=5COC(=O)C=5)O)CC4)(C)CC3)CC2O)C)CC1O LTMHDMANZUZIPE-UHFFFAOYSA-N 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000035931 haemagglutination Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 102000047688 human TG Human genes 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 230000000984 immunochemical effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007430 reference method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 229940034208 thyroxine Drugs 0.000 description 1
- XUIIKFGFIJCVMT-UHFFFAOYSA-N thyroxine-binding globulin Natural products IC1=CC(CC([NH3+])C([O-])=O)=CC(I)=C1OC1=CC(I)=C(O)C(I)=C1 XUIIKFGFIJCVMT-UHFFFAOYSA-N 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 238000003260 vortexing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
-
- 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
- G01N33/54313—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being characterised by its particulate form
-
- 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
- G01N33/551—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being inorganic
- G01N33/553—Metal or metal coated
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
Landscapes
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Urology & Nephrology (AREA)
- Hematology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Microbiology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Cell Biology (AREA)
- Biotechnology (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US99490392A | 1992-12-22 | 1992-12-22 | |
| US07/994,903 | 1992-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2151060A1 true CA2151060A1 (en) | 1994-07-07 |
Family
ID=25541198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002151060A Abandoned CA2151060A1 (en) | 1992-12-22 | 1993-12-22 | Light scatter-based immunoassay without particle self aggregation |
Country Status (9)
Families Citing this family (55)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6200820B1 (en) * | 1992-12-22 | 2001-03-13 | Sienna Biotech, Inc. | Light scatter-based immunoassay |
| DK0925494T3 (da) | 1996-09-04 | 2002-07-01 | Scandinavian Micro Biodevices | Mikrostrømningssystem til partikelseparation og analyse |
| US6165798A (en) * | 1996-10-10 | 2000-12-26 | University Of British Columbia | Optical quantification of analytes in membranes |
| US5858648A (en) * | 1996-11-04 | 1999-01-12 | Sienna Biotech, Inc. | Assays using reference microparticles |
| GB9707096D0 (en) * | 1997-04-08 | 1997-05-28 | Smithkline Beecham Plc | Novel device |
| EP0919568A1 (en) | 1997-12-01 | 1999-06-02 | Sorin Diagnostics S.r.l. | Escape mutant of the surface antigen of hepatitis B virus |
| US6127130A (en) | 1998-03-13 | 2000-10-03 | The United States Of America As Represented By The Secretary Of The Navy | Multiassay method for determining the concentrations of antigens and interferants |
| CA2254223A1 (en) * | 1998-11-16 | 2000-05-16 | Biophys, Inc. | Device and method for analyzing a biologic sample |
| US6221579B1 (en) * | 1998-12-11 | 2001-04-24 | Kimberly-Clark Worldwide, Inc. | Patterned binding of functionalized microspheres for optical diffraction-based biosensors |
| EP1147416B1 (en) * | 1999-01-23 | 2013-05-29 | Minerva Biotechnologies Corporation | Assays involving colloids and non-colloidal structures |
| US20050148101A1 (en) * | 1999-01-23 | 2005-07-07 | Bamdad Cynthia C. | Interaction of colloid-immobilized species with species on non-colloidal structures |
| JP5122705B2 (ja) * | 1999-01-25 | 2013-01-16 | ミナーヴァ・バイオテクノロジーズ・コーポレーション | 神経変性疾患における異常型タンパク質凝集の迅速かつ高感度の検出 |
| FR2797690B1 (fr) * | 1999-08-20 | 2001-10-12 | Bio Merieux | Procede de detection d'un analyte et necessaire pour la mise en oeuvre de ce procede |
| US6392327B1 (en) | 2000-03-29 | 2002-05-21 | James L. Sackrison | Sonic transducer and feedback control method thereof |
| WO2001096604A2 (en) * | 2000-06-12 | 2001-12-20 | Genicon Sciences Corporation | Assay for genetic polymorphisms using scattered light detectable labels |
| CA2424119A1 (en) * | 2000-10-03 | 2002-04-11 | Cynthia C. Bamdad | Electronic detection of interaction and detection of interaction based on the interruption of flow |
| US20020155618A1 (en) * | 2001-01-17 | 2002-10-24 | O'hagan David | Methods of analyzing and sorting one or more analytes |
| US7939283B2 (en) * | 2001-11-01 | 2011-05-10 | Fisher Scientific Company L.L.C. | Analyte binding turbidity assay |
| US6837171B1 (en) | 2002-04-29 | 2005-01-04 | Palmer/Snyder Furniture Company | Lightweight table with unitized table top |
| US8367013B2 (en) | 2001-12-24 | 2013-02-05 | Kimberly-Clark Worldwide, Inc. | Reading device, method, and system for conducting lateral flow assays |
| US20030119203A1 (en) | 2001-12-24 | 2003-06-26 | Kimberly-Clark Worldwide, Inc. | Lateral flow assay devices and methods for conducting assays |
| US7771922B2 (en) | 2002-05-03 | 2010-08-10 | Kimberly-Clark Worldwide, Inc. | Biomolecule diagnostic device |
| US7214530B2 (en) | 2002-05-03 | 2007-05-08 | Kimberly-Clark Worldwide, Inc. | Biomolecule diagnostic devices and method for producing biomolecule diagnostic devices |
| US7285424B2 (en) | 2002-08-27 | 2007-10-23 | Kimberly-Clark Worldwide, Inc. | Membrane-based assay devices |
| JP4087200B2 (ja) * | 2002-09-17 | 2008-05-21 | ユニバーサル・バイオ・リサーチ株式会社 | 粒子複合体及び該粒子複合体の作製方法 |
| US7122384B2 (en) * | 2002-11-06 | 2006-10-17 | E. I. Du Pont De Nemours And Company | Resonant light scattering microparticle methods |
| CN100357737C (zh) * | 2002-11-12 | 2007-12-26 | 松下电器产业株式会社 | 特异结合反应测定方法、测定装置以及其中所用试剂盒 |
| US7781172B2 (en) | 2003-11-21 | 2010-08-24 | Kimberly-Clark Worldwide, Inc. | Method for extending the dynamic detection range of assay devices |
| US7247500B2 (en) | 2002-12-19 | 2007-07-24 | Kimberly-Clark Worldwide, Inc. | Reduction of the hook effect in membrane-based assay devices |
| US7851209B2 (en) | 2003-04-03 | 2010-12-14 | Kimberly-Clark Worldwide, Inc. | Reduction of the hook effect in assay devices |
| US20040197819A1 (en) | 2003-04-03 | 2004-10-07 | Kimberly-Clark Worldwide, Inc. | Assay devices that utilize hollow particles |
| US7713748B2 (en) | 2003-11-21 | 2010-05-11 | Kimberly-Clark Worldwide, Inc. | Method of reducing the sensitivity of assay devices |
| US20050112703A1 (en) | 2003-11-21 | 2005-05-26 | Kimberly-Clark Worldwide, Inc. | Membrane-based lateral flow assay devices that utilize phosphorescent detection |
| US7943395B2 (en) | 2003-11-21 | 2011-05-17 | Kimberly-Clark Worldwide, Inc. | Extension of the dynamic detection range of assay devices |
| WO2005057169A2 (en) * | 2003-12-05 | 2005-06-23 | Trellis Bioscience, Inc. | Homogeneous competition assays |
| US7943089B2 (en) | 2003-12-19 | 2011-05-17 | Kimberly-Clark Worldwide, Inc. | Laminated assay devices |
| US7815854B2 (en) | 2004-04-30 | 2010-10-19 | Kimberly-Clark Worldwide, Inc. | Electroluminescent illumination source for optical detection systems |
| US7796266B2 (en) | 2004-04-30 | 2010-09-14 | Kimberly-Clark Worldwide, Inc. | Optical detection system using electromagnetic radiation to detect presence or quantity of analyte |
| JP4730304B2 (ja) * | 2004-05-20 | 2011-07-20 | 和光純薬工業株式会社 | ヒアルロン酸バインディングプロテインを用いたヒアルロン酸の測定方法 |
| US7521226B2 (en) | 2004-06-30 | 2009-04-21 | Kimberly-Clark Worldwide, Inc. | One-step enzymatic and amine detection technique |
| US7170035B2 (en) * | 2004-08-04 | 2007-01-30 | Hottboxx Llc | Heated construction box |
| ITMI20041800A1 (it) * | 2004-09-21 | 2004-12-21 | Univ Degli Studi Milano | Netodo di misurazione di interazioni molecolari con lls |
| WO2007054714A2 (en) * | 2005-11-12 | 2007-05-18 | Platform Diagnostics Limited | Agglutination assay |
| PL2244086T3 (pl) * | 2006-04-08 | 2021-11-22 | F. Hoffmann-La Roche Ag | Analiza danych optycznych za pomocą histogramów |
| US7776618B2 (en) * | 2007-03-01 | 2010-08-17 | Church & Dwight Co., Inc. | Diagnostic detection device |
| ITPO20070023A1 (it) | 2007-09-26 | 2009-03-27 | Hospitex Diagnostics S R L | Metodo e dispositivo per l'analisi multipla ad alta sensibilita di campioni biologici |
| KR20120107497A (ko) | 2009-12-17 | 2012-10-02 | 아박시스, 인크. | 샘플 내 분석물을 검출하기 위한 신규 분석 및 그것과 관련된 키트 및 조성물 |
| CN103025859A (zh) | 2010-05-25 | 2013-04-03 | 阿尔利克斯公司 | 用于检测生物学和化学分析中的颗粒的位置自由度的方法和装置以及在免疫诊断学中的应用 |
| US9618523B2 (en) * | 2013-02-28 | 2017-04-11 | Siemens Healthcare Diagnostics Inc. | Methods and reagents for determining isomeric analytes |
| US20150046862A1 (en) * | 2013-08-11 | 2015-02-12 | Silicon Graphics International Corp. | Modifying binning operations |
| US11144184B2 (en) | 2014-01-23 | 2021-10-12 | Mineset, Inc. | Selection thresholds in a visualization interface |
| EP3279635B1 (en) * | 2016-08-04 | 2022-06-01 | Malvern Panalytical Limited | Method, processor and machine-readable, non-transient storage medium for characterising particles suspended in a fluid dispersant |
| CN110998294A (zh) * | 2017-08-10 | 2020-04-10 | Jvc建伍株式会社 | 分析方法和分析装置 |
| CN111398577A (zh) * | 2020-06-08 | 2020-07-10 | 南京颐兰贝生物科技有限责任公司 | 一种定量免疫检测方法 |
| US20230280243A1 (en) * | 2021-10-01 | 2023-09-07 | Pnp Research Llc | Optical background suppression in binding assays that employ polymeric microspheres |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873204A (en) * | 1970-01-14 | 1975-03-25 | Bio Physics Systems Inc | Optical extinction photoanalysis apparatus for small particles |
| NL7807532A (nl) * | 1978-07-13 | 1980-01-15 | Akzo Nv | Metaal-immunotest. |
| DE2918342A1 (de) * | 1979-05-07 | 1980-11-20 | Behringwerke Ag | Latex-reagenz |
| JPS57175957A (en) * | 1981-04-24 | 1982-10-29 | Chugai Pharmaceut Co Ltd | Measuring method and device for antigen- antibody reaction |
| US4480042A (en) * | 1981-10-28 | 1984-10-30 | E. I. Du Pont De Nemours And Company | Covalently bonded high refractive index particle reagents and their use in light scattering immunoassays |
| US4581334A (en) * | 1983-04-25 | 1986-04-08 | Ortho Diagnostics Systems, Inc. | Simultaneous detection of leukocyte phagocytic and killing ability |
| AU7385387A (en) * | 1986-06-09 | 1987-12-10 | Ortho Diagnostic Systems Inc. | Immunoassay using detection of colloidal gold |
| US5017009A (en) * | 1986-06-26 | 1991-05-21 | Ortho Diagnostic Systems, Inc. | Scattered total internal reflectance immunoassay system |
| US5252493A (en) * | 1986-09-22 | 1993-10-12 | Nippon Telegraph And Telephone Corporation | Laser magnetic immunoassay method and apparatus therefor |
| US4853335A (en) * | 1987-09-28 | 1989-08-01 | Olsen Duane A | Colloidal gold particle concentration immunoassay |
| GB8800702D0 (en) * | 1988-01-13 | 1988-02-10 | Nycomed As | Test method & reagent kit therefor |
| US5162863A (en) * | 1988-02-15 | 1992-11-10 | Canon Kabushiki Kaisha | Method and apparatus for inspecting a specimen by optical detection of antibody/antigen sensitized carriers |
| NO164622C (no) * | 1988-05-11 | 1990-10-24 | Tore Lindmo | Binaer immunometrisk partikkelbasert metode for maaling av spesifikke serum-antigener ved hjelp av vaeskestroemsmikrofotometri og et ferdigpreparert maaloppsett derav. |
| US5079172A (en) * | 1988-11-04 | 1992-01-07 | Board Of Trustees Operating Michigan State University | Method for detecting the presence of antibodies using gold-labeled antibodies and test kit |
| CA2026409C (en) * | 1989-09-29 | 2004-11-09 | Ernest G. Schutt | Method of producing a reagent containing a narrow distribution of colloidal particles of a selected size and the use thereof |
| US5286452A (en) * | 1991-05-20 | 1994-02-15 | Sienna Biotech, Inc. | Simultaneous multiple assays |
-
1993
- 1993-06-15 TW TW082104758A patent/TW239881B/zh active
- 1993-12-21 CN CN93119931A patent/CN1061142C/zh not_active Expired - Fee Related
- 1993-12-22 JP JP6515382A patent/JPH08505231A/ja active Pending
- 1993-12-22 KR KR1019950702661A patent/KR0171452B1/ko not_active IP Right Cessation
- 1993-12-22 CA CA002151060A patent/CA2151060A1/en not_active Abandoned
- 1993-12-22 WO PCT/US1993/012428 patent/WO1994015193A1/en not_active Application Discontinuation
- 1993-12-22 AU AU58734/94A patent/AU670489B2/en not_active Ceased
- 1993-12-22 EP EP94904875A patent/EP0676045A4/en not_active Withdrawn
-
1994
- 1994-08-05 US US08/286,778 patent/US5589401A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5589401A (en) | 1996-12-31 |
| WO1994015193A1 (en) | 1994-07-07 |
| AU5873494A (en) | 1994-07-19 |
| KR0171452B1 (ko) | 1999-05-01 |
| CN1092866A (zh) | 1994-09-28 |
| CN1061142C (zh) | 2001-01-24 |
| AU670489B2 (en) | 1996-07-18 |
| JPH08505231A (ja) | 1996-06-04 |
| EP0676045A1 (en) | 1995-10-11 |
| EP0676045A4 (en) | 1998-02-04 |
| TW239881B (US20060003336A1-20060105-C00008.png) | 1995-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU670489B2 (en) | Light scatter-based immunoassay without particle self aggregation | |
| US6200820B1 (en) | Light scatter-based immunoassay | |
| US5858648A (en) | Assays using reference microparticles | |
| US5286452A (en) | Simultaneous multiple assays | |
| CA1335238C (en) | Method of assay | |
| EP0736178B1 (en) | Method of assay | |
| JPH03502246A (ja) | 物質の分析のための凝集方法 | |
| JP3384805B2 (ja) | 粒子の２つの判別可能な型を用いた検定方法 | |
| JP2005077301A (ja) | 免疫学的検出担体および測定法 | |
| JPH03216553A (ja) | 粒子による免疫測定方法および装置 | |
| EP1463947A2 (en) | Method for reducing non-specific aggregation of latex microparticles in the presence of serum or plasma | |
| JPH03167475A (ja) | 免疫測定方法および装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |