CA2261747A1 - Immunoassays in capillary tubes - Google Patents

Immunoassays in capillary tubes

Info

Publication number
CA2261747A1
CA2261747A1 CA002261747A CA2261747A CA2261747A1 CA 2261747 A1 CA2261747 A1 CA 2261747A1 CA 002261747 A CA002261747 A CA 002261747A CA 2261747 A CA2261747 A CA 2261747A CA 2261747 A1 CA2261747 A1 CA 2261747A1
Authority
CA
Canada
Prior art keywords
analyte
sample
devices
capillary tube
capillary tubes
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
Application number
CA002261747A
Other languages
French (fr)
Other versions
CA2261747C (en
Inventor
Amit Kumar
Larry Sheldon Jang
Danton Kai-Yu Leung
Richard Michele Rocco
Mark Charles Platshon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idexx Laboratories Inc
Original Assignee
Idexx Laboratories, Inc.
Amit Kumar
Larry Sheldon Jang
Danton Kai-Yu Leung
Richard Michele Rocco
Mark Charles Platshon
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Idexx Laboratories, Inc., Amit Kumar, Larry Sheldon Jang, Danton Kai-Yu Leung, Richard Michele Rocco, Mark Charles Platshon filed Critical Idexx Laboratories, Inc.
Publication of CA2261747A1 publication Critical patent/CA2261747A1/en
Application granted granted Critical
Publication of CA2261747C publication Critical patent/CA2261747C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03Cuvette constructions
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N21/6428Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54366Apparatus specially adapted for solid-phase testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/551Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being inorganic
    • G01N33/552Glass or silica
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/94Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving narcotics or drugs or pharmaceuticals, neurotransmitters or associated receptors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03Cuvette constructions
    • G01N2021/0346Capillary cells; Microcells
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N21/645Specially adapted constructive features of fluorimeters
    • G01N2021/6482Sample cells, cuvettes

Abstract

A fluorescent immunoassay employing the interior surface of a capillary tube is provided. Devices to permit immunoassays using one or more capillary tubes, an apparatus for use with the devices, and a process for screening for analyte in a sample using the devices and apparatus are also provided. Samples suspected of containing analyte are added to a disposable self-contained sample tray containing one or more sample wells, mixed with a reagent, drawn into one or more spaced-apart capillary tubes held within a disposable cartridge connected to an analytical apparatus, reacted with a binding member on the surface of the capillary tube, washed to stop the reaction, and dried by the apparatus. The capillary tube is then exposed to a signal generation device to create a fluorescence signal that is detected using a signal detector. The apparatus determines the presence of the analyte and optionally determines the amount of analyte present in the sample, and presents the results to the operator.
CA002261747A 1996-07-29 1997-07-22 Immunoassays in capillary tubes Expired - Fee Related CA2261747C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/688,043 1996-07-29
US08/688,043 US5976896A (en) 1994-06-06 1996-07-29 Immunoassays in capillary tubes
PCT/US1997/012737 WO1998004920A2 (en) 1996-07-29 1997-07-22 Immunoassays in capillary tubes

Publications (2)

Publication Number Publication Date
CA2261747A1 true CA2261747A1 (en) 1998-02-05
CA2261747C CA2261747C (en) 2005-07-12

Family

ID=24762887

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002261747A Expired - Fee Related CA2261747C (en) 1996-07-29 1997-07-22 Immunoassays in capillary tubes

Country Status (9)

Country Link
US (3) US5976896A (en)
EP (1) EP0934524B1 (en)
AT (1) ATE262181T1 (en)
AU (1) AU732627B2 (en)
BR (1) BR9710887A (en)
CA (1) CA2261747C (en)
DE (1) DE69728158T2 (en)
NZ (1) NZ333841A (en)
WO (1) WO1998004920A2 (en)

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EP0934524B1 (en) 2004-03-17
WO1998004920A2 (en) 1998-02-05
AU3807097A (en) 1998-02-20
US6517778B1 (en) 2003-02-11
US5976896A (en) 1999-11-02
DE69728158T2 (en) 2004-10-28
US20020148728A1 (en) 2002-10-17
BR9710887A (en) 1999-08-17
WO1998004920A3 (en) 1998-06-04
DE69728158D1 (en) 2004-04-22
EP0934524A2 (en) 1999-08-11
AU732627B2 (en) 2001-04-26
ATE262181T1 (en) 2004-04-15
NZ333841A (en) 2000-08-25
CA2261747C (en) 2005-07-12

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