ES2184260T3 - Sistema de ensayo que utiliza particulas magneticas. - Google Patents

Sistema de ensayo que utiliza particulas magneticas.

Info

Publication number
ES2184260T3
ES2184260T3 ES98921469T ES98921469T ES2184260T3 ES 2184260 T3 ES2184260 T3 ES 2184260T3 ES 98921469 T ES98921469 T ES 98921469T ES 98921469 T ES98921469 T ES 98921469T ES 2184260 T3 ES2184260 T3 ES 2184260T3
Authority
ES
Spain
Prior art keywords
magnetic particles
test system
uses magnetic
analyte
assay
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.)
Expired - Lifetime
Application number
ES98921469T
Other languages
English (en)
Inventor
Patricia Connolly
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.)
Takeda Italia SpA
Original Assignee
Byk Gulden Italia SpA
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 Byk Gulden Italia SpA filed Critical Byk Gulden Italia SpA
Application granted granted Critical
Publication of ES2184260T3 publication Critical patent/ES2184260T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01N33/54313—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
    • G01N33/54333—Modification of conditions of immunological binding reaction, e.g. use of more than one type of particle, use of chemical agents to improve binding, choice of incubation time or application of magnetic field during binding reaction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/74—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids
    • G01N27/745—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids for detecting magnetic beads used in biochemical assays
    • 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
    • G01N33/84—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving inorganic compounds or pH

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Urology & Nephrology (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Cell Biology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Treatment Devices (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Paints Or Removers (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

La invención se refiere a un procedimiento para la presencia de un analito o determinación de un parámetro biológico o médico que incluye: añadir un componente de ensayo a un material sensible al pH cargado con partículas magnéticas, en el que el componente del ensayo produce un cambio de pH que es función del analito o del parámetro que se vaya a medir; someter a las partículas magnéticas a un campo magnético oscilante; y medir el efecto del campo magnético sobre las partículas magnéticas.
ES98921469T 1997-04-18 1998-04-20 Sistema de ensayo que utiliza particulas magneticas. Expired - Lifetime ES2184260T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97302671A EP0872736A1 (en) 1997-04-18 1997-04-18 Assay utilizing magnetic particles

Publications (1)

Publication Number Publication Date
ES2184260T3 true ES2184260T3 (es) 2003-04-01

Family

ID=8229303

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98921469T Expired - Lifetime ES2184260T3 (es) 1997-04-18 1998-04-20 Sistema de ensayo que utiliza particulas magneticas.

Country Status (9)

Country Link
US (1) US6235491B1 (es)
EP (2) EP0872736A1 (es)
JP (1) JP3693680B2 (es)
AT (1) ATE224544T1 (es)
DE (1) DE69808071T2 (es)
DK (1) DK0975974T3 (es)
ES (1) ES2184260T3 (es)
PT (1) PT975974E (es)
WO (1) WO1998048282A1 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0872736A1 (en) * 1997-04-18 1998-10-21 Byk Gulden Italia S.p.A. Assay utilizing magnetic particles
US7640083B2 (en) 2002-11-22 2009-12-29 Monroe David A Record and playback system for aircraft
US20030119203A1 (en) 2001-12-24 2003-06-26 Kimberly-Clark Worldwide, Inc. Lateral flow assay devices and methods for conducting assays
US8367013B2 (en) * 2001-12-24 2013-02-05 Kimberly-Clark Worldwide, Inc. Reading device, method, and system for conducting lateral flow assays
US7314763B2 (en) * 2002-08-27 2008-01-01 Kimberly-Clark Worldwide, Inc. Fluidics-based assay devices
US7285424B2 (en) * 2002-08-27 2007-10-23 Kimberly-Clark Worldwide, Inc. Membrane-based assay devices
US20040106190A1 (en) * 2002-12-03 2004-06-03 Kimberly-Clark Worldwide, Inc. Flow-through assay devices
US7247500B2 (en) * 2002-12-19 2007-07-24 Kimberly-Clark Worldwide, Inc. Reduction of the hook effect in membrane-based assay devices
US20040197819A1 (en) * 2003-04-03 2004-10-07 Kimberly-Clark Worldwide, Inc. Assay devices that utilize hollow particles
US7851209B2 (en) * 2003-04-03 2010-12-14 Kimberly-Clark Worldwide, Inc. Reduction of the hook effect in assay devices
US20050112703A1 (en) 2003-11-21 2005-05-26 Kimberly-Clark Worldwide, Inc. Membrane-based lateral flow assay devices that utilize phosphorescent detection
US7713748B2 (en) 2003-11-21 2010-05-11 Kimberly-Clark Worldwide, Inc. Method of reducing the sensitivity of assay devices
US7943395B2 (en) 2003-11-21 2011-05-17 Kimberly-Clark Worldwide, Inc. Extension of the dynamic detection range of assay devices
US7943089B2 (en) 2003-12-19 2011-05-17 Kimberly-Clark Worldwide, Inc. Laminated assay devices
US20050136550A1 (en) * 2003-12-19 2005-06-23 Kimberly-Clark Worldwide, Inc. Flow control of electrochemical-based assay devices
GB0413752D0 (en) * 2004-06-19 2004-07-21 Hall Effect Technologies Ltd Method of determining the presence and/or concentration of substances of interest in fluids
US9267167B2 (en) 2004-06-28 2016-02-23 Becton, Dickinson And Company Dissolvable films and methods including the same
WO2006056001A1 (de) * 2004-11-25 2006-06-01 Thomas Schlederer Vorrichtung zur qualitativen und quantitativen bestimmung von analyten
CN106771199B (zh) * 2016-11-18 2018-06-22 湖北师范大学 一种用于非诊断目的的检测肿瘤标志物的比色免疫分析方法
GB2566995B (en) 2017-09-29 2023-01-18 Cotton Mouton Diagnostics Ltd A method of detection

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5110727A (en) * 1987-04-03 1992-05-05 Cardiovascular Diagnostics, Inc. Method for performing coagulation assays accurately, rapidly and simply, using dry chemical reagents and paramagnetic particles
CA2156174A1 (en) 1993-02-17 1994-09-01 Bruce Oberhardt Dry chemistry cascade immunoassay and affinity assay
GB2284890A (en) * 1993-12-17 1995-06-21 Cambridge Life Sciences Analyte sensor based on polymer porosity changes
WO1994028414A1 (en) * 1993-05-29 1994-12-08 Cambridge Life Sciences Plc Sensors based on polymer transformation
WO1995006868A1 (en) 1993-08-31 1995-03-09 Boehringer Mannheim Corporation Reagent and method of its use
EP0872736A1 (en) * 1997-04-18 1998-10-21 Byk Gulden Italia S.p.A. Assay utilizing magnetic particles

Also Published As

Publication number Publication date
DE69808071D1 (de) 2002-10-24
JP2002511926A (ja) 2002-04-16
DK0975974T3 (da) 2003-01-20
ATE224544T1 (de) 2002-10-15
EP0975974B1 (en) 2002-09-18
EP0872736A1 (en) 1998-10-21
US6235491B1 (en) 2001-05-22
JP3693680B2 (ja) 2005-09-07
PT975974E (pt) 2003-02-28
WO1998048282A1 (en) 1998-10-29
DE69808071T2 (de) 2003-05-28
EP0975974A1 (en) 2000-02-02

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