WO1998004920A3 - Immunoassays in capillary tubes - Google Patents

Immunoassays in capillary tubes Download PDF

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Publication number
WO1998004920A3
WO1998004920A3 PCT/US1997/012737 US9712737W WO9804920A3 WO 1998004920 A3 WO1998004920 A3 WO 1998004920A3 US 9712737 W US9712737 W US 9712737W WO 9804920 A3 WO9804920 A3 WO 9804920A3
Authority
WO
WIPO (PCT)
Prior art keywords
analyte
sample
devices
capillary tube
capillary tubes
Prior art date
Application number
PCT/US1997/012737
Other languages
French (fr)
Other versions
WO1998004920A2 (en
Inventor
Amit Kumar
Larry Sheldon Jang
Danton Kai-Yu Leung
Richard Michele Rocco
Mark Charles Platshon
Original Assignee
Idexx Lab Inc
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 Lab Inc filed Critical Idexx Lab Inc
Priority to BR9710887A priority Critical patent/BR9710887A/en
Priority to AU38070/97A priority patent/AU732627B2/en
Priority to CA002261747A priority patent/CA2261747C/en
Priority to DE69728158T priority patent/DE69728158T2/en
Priority to AT97935039T priority patent/ATE262181T1/en
Priority to EP97935039A priority patent/EP0934524B1/en
Priority to NZ333841A priority patent/NZ333841A/en
Publication of WO1998004920A2 publication Critical patent/WO1998004920A2/en
Publication of WO1998004920A3 publication Critical patent/WO1998004920A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • 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
    • G01N33/551—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being inorganic
    • G01N33/552—Glass or silica
    • 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
    • G01N33/94—Chemical 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0346—Capillary cells; Microcells
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N2021/6482—Sample 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.
PCT/US1997/012737 1996-07-29 1997-07-22 Immunoassays in capillary tubes WO1998004920A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BR9710887A BR9710887A (en) 1996-07-29 1997-07-22 Capillary tube immunoassays
AU38070/97A AU732627B2 (en) 1996-07-29 1997-07-22 Immunoassays in capillary tubes
CA002261747A CA2261747C (en) 1996-07-29 1997-07-22 Immunoassays in capillary tubes
DE69728158T DE69728158T2 (en) 1996-07-29 1997-07-22 IMMUNOASSAYS IN CAPILLARY TUBES
AT97935039T ATE262181T1 (en) 1996-07-29 1997-07-22 IMMUNOASSAYS IN CAPILLARY TUBES
EP97935039A EP0934524B1 (en) 1996-07-29 1997-07-22 Immunoassays in capillary tubes
NZ333841A NZ333841A (en) 1996-07-29 1997-07-22 A fluorescent immunoassay in capillary tubes with a self contained sample tray with sample wells and capillary tubes that draw up the sample

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
WO1998004920A2 WO1998004920A2 (en) 1998-02-05
WO1998004920A3 true WO1998004920A3 (en) 1998-06-04

Family

ID=24762887

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/012737 WO1998004920A2 (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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US5976896A (en) 1999-11-02
CA2261747C (en) 2005-07-12
EP0934524A2 (en) 1999-08-11
ATE262181T1 (en) 2004-04-15
US6517778B1 (en) 2003-02-11
DE69728158T2 (en) 2004-10-28
CA2261747A1 (en) 1998-02-05
EP0934524B1 (en) 2004-03-17
WO1998004920A2 (en) 1998-02-05
AU3807097A (en) 1998-02-20
BR9710887A (en) 1999-08-17
DE69728158D1 (en) 2004-04-22
US20020148728A1 (en) 2002-10-17

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