WO2003060472A3 - An immunochromatographic assay for emp - Google Patents

An immunochromatographic assay for emp Download PDF

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Publication number
WO2003060472A3
WO2003060472A3 PCT/US2003/001051 US0301051W WO03060472A3 WO 2003060472 A3 WO2003060472 A3 WO 2003060472A3 US 0301051 W US0301051 W US 0301051W WO 03060472 A3 WO03060472 A3 WO 03060472A3
Authority
WO
WIPO (PCT)
Prior art keywords
ligand
mean diameter
complexes
average mean
spm
Prior art date
Application number
PCT/US2003/001051
Other languages
French (fr)
Other versions
WO2003060472A2 (en
Inventor
Roger N Piasio
Nathan B Turner
Original Assignee
Binax 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 Binax Inc filed Critical Binax Inc
Priority to AU2003210511A priority Critical patent/AU2003210511A1/en
Publication of WO2003060472A2 publication Critical patent/WO2003060472A2/en
Publication of WO2003060472A3 publication Critical patent/WO2003060472A3/en

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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
    • G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
    • G01N33/56983—Viruses
    • 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
    • G01N33/54326—Magnetic particles
    • 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
    • G01N33/54386—Analytical elements
    • G01N33/54387—Immunochromatographic test strips
    • G01N33/54388—Immunochromatographic test strips based on lateral flow
    • 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
    • G01N33/558—Immunoassay; Biospecific binding assay; Materials therefor using diffusion or migration of antigen or antibody
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2446/00—Magnetic particle immunoreagent carriers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2446/00—Magnetic particle immunoreagent carriers
    • G01N2446/20—Magnetic particle immunoreagent carriers the magnetic material being present in the particle core
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2446/00—Magnetic particle immunoreagent carriers
    • G01N2446/80—Magnetic particle immunoreagent carriers characterised by the agent used to coat the magnetic particles, e.g. lipids
    • 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
    • Y10S435/805—Test papers
    • 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
    • Y10S435/81—Packaged device or kit
    • 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
    • Y10S435/97—Test strip or test slide
    • 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
    • Y10S436/806—Electrical property or magnetic property
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/25375—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]

Abstract

Superparamagnetic ('SPM') subunits of 1-30 nm average mean diameter (e.g. ferro fluid) subparticles are treated with a magnetically noninterfering substance capable of coating and covering them (e.g, BSA) and they spontaneously form agglomerates of about 100 nm to about 450 nm or higher average mean diameter and are then used to form complexes with target biological ligands such as viruses, contained in large volumes of liquid. The complexes are subjected to the gradient intensity of a strong magnetic field, and excess liquid is removed, where upon an immumochromatographic assay is conducted to determine the identity and/or amount of target ligand present, in which operation SPM particles that bonded to the ligand function as tags for ligand detection.
PCT/US2003/001051 2002-01-15 2003-01-15 An immunochromatographic assay for emp WO2003060472A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003210511A AU2003210511A1 (en) 2002-01-15 2003-01-15 An immunochromatographic assay for emp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/044,920 US7018849B2 (en) 2002-01-15 2002-01-15 Process for (A) separating biological/ligands from dilute solutions and (B) conducting an immunochromatographic assay thereof employing superparamagnetic particles throughtout
US10/044,920 2002-01-15

Publications (2)

Publication Number Publication Date
WO2003060472A2 WO2003060472A2 (en) 2003-07-24
WO2003060472A3 true WO2003060472A3 (en) 2003-11-27

Family

ID=21935040

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/001051 WO2003060472A2 (en) 2002-01-15 2003-01-15 An immunochromatographic assay for emp

Country Status (3)

Country Link
US (3) US7018849B2 (en)
AU (1) AU2003210511A1 (en)
WO (1) WO2003060472A2 (en)

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US7418485B2 (en) * 2003-04-24 2008-08-26 Nokia Corporation System and method for addressing networked terminals via pseudonym translation
US20050071423A1 (en) * 2003-09-26 2005-03-31 Jaakko Rajaniemi System, apparatus, and method for providing Web services on mobile devices
US20050071419A1 (en) * 2003-09-26 2005-03-31 Lewontin Stephen Paul System, apparatus, and method for providing Web services using wireless push
US7781228B2 (en) * 2005-04-07 2010-08-24 Menon & Associates, Inc. Magnetic resonance system and method to detect and confirm analytes
ATE515711T1 (en) * 2005-05-09 2011-07-15 Gen Hospital Corp WATER RELAXATION BASED SENSORS
JP5295769B2 (en) * 2005-08-31 2013-09-18 ティツー・バイオシステムズ・インコーポレーテッド NMR apparatus for detecting analytes
US20070166730A1 (en) 2006-01-19 2007-07-19 Menon & Associates, Inc. Magnetic resonance system and method to detect and confirm analytes
US7547557B2 (en) * 2006-06-13 2009-06-16 Quantum Design, Inc. Directed-flow assay device
CA2669045A1 (en) * 2006-11-08 2008-05-15 T2 Biosystems, Inc. Nmr systems for in vivo detection of analytes
US20110070657A1 (en) * 2007-08-17 2011-03-24 The General Hospital Corporation Detecting ions and measuring ion concentrations
CA2700970A1 (en) 2007-09-28 2009-04-09 T2 Biosystems, Inc. Nmr diagnostics by means of a plastic sample container
AU2008325088A1 (en) 2007-11-06 2009-05-14 T2 Biosystems, Inc. Small magnet and RF coil for magnetic resonance relaxometry
JP2011526799A (en) * 2008-06-17 2011-10-20 ジョージア テック リサーチ コーポレイション Superparamagnetic nanoparticles for removing cells, pathogens or viruses
AU2009308841B2 (en) 2008-10-29 2014-07-17 T2 Biosystems, Inc. NMR detection of coagulation time
EP2488871B1 (en) * 2009-10-16 2017-01-04 Åmic AB An assay method involving the use of magnetic particles
US8409807B2 (en) 2010-10-22 2013-04-02 T2 Biosystems, Inc. NMR systems and methods for the rapid detection of analytes
EP3974831A1 (en) 2010-10-22 2022-03-30 T2 Biosystems, Inc. Methods for detecting the presence of a bacterium in a whole blood sample
US8563298B2 (en) 2010-10-22 2013-10-22 T2 Biosystems, Inc. NMR systems and methods for the rapid detection of analytes
CN103917658B (en) 2011-07-13 2016-09-21 T2生物系统公司 For monitoring the NMR method that clot is formed
WO2013043858A1 (en) 2011-09-21 2013-03-28 T2 Biosystems, Inc. Nmr methods for endotoxin analysis
US9562271B2 (en) 2012-04-20 2017-02-07 T2 Biosystems, Inc. Compositions and methods for detection of Candida species
US9739733B2 (en) 2012-12-07 2017-08-22 T2 Biosystems, Inc. Methods for monitoring tight clot formation
EP2980588B1 (en) * 2014-07-31 2017-10-18 Betelgeux, S. L. Method and apparatus for detection of microorganisms
JP2019512208A (en) 2016-01-21 2019-05-16 ティー２ バイオシステムズ，インコーポレーテッド NMR method and system for detecting bacteria quickly
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Also Published As

Publication number Publication date
AU2003210511A1 (en) 2003-07-30
US7018849B2 (en) 2006-03-28
WO2003060472A2 (en) 2003-07-24
US20030134434A1 (en) 2003-07-17
AU2003210511A8 (en) 2003-07-30
US20080108151A1 (en) 2008-05-08
US7358099B2 (en) 2008-04-15
US20060094128A1 (en) 2006-05-04

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