WO2006134546A3 - Accurate magnetic biosensor - Google Patents

Accurate magnetic biosensor Download PDF

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Publication number
WO2006134546A3
WO2006134546A3 PCT/IB2006/051866 IB2006051866W WO2006134546A3 WO 2006134546 A3 WO2006134546 A3 WO 2006134546A3 IB 2006051866 W IB2006051866 W IB 2006051866W WO 2006134546 A3 WO2006134546 A3 WO 2006134546A3
Authority
WO
WIPO (PCT)
Prior art keywords
sort
labels
binding sites
magnetic
magnetic labels
Prior art date
Application number
PCT/IB2006/051866
Other languages
French (fr)
Other versions
WO2006134546A2 (en
Inventor
Menno W J Prins
Albert H J Immink
Original Assignee
Koninkl Philips Electronics Nv
Menno W J Prins
Albert H J Immink
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 Koninkl Philips Electronics Nv, Menno W J Prins, Albert H J Immink filed Critical Koninkl Philips Electronics Nv
Priority to JP2008516478A priority Critical patent/JP2008544246A/en
Priority to EP06765725A priority patent/EP1894009A2/en
Priority to US11/917,211 priority patent/US20080206104A1/en
Priority to BRPI0612623A priority patent/BRPI0612623A2/en
Publication of WO2006134546A2 publication Critical patent/WO2006134546A2/en
Publication of WO2006134546A3 publication Critical patent/WO2006134546A3/en

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
    • G01N33/53—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

Abstract

The invention provides a method, a device and a system for determining the concentration of at least one sort of targets in a fluid containing at least one sort of polarizable of polarized magnetic labels in a fluid, the sensing surface comprising at least one sort of binding sites capable to specifically attach to at least one sort of biological entities linked to the magnetic labels, the sensing device further comprising at least one magnetic sensor element, the sensing device further comprising distinction means for time-resolved distinguishing between magnetic labels specifically attached to the binding sites versus labels non-specifically attached. The method and device according to the present invention may be applied to biomolecular diagnostics.
PCT/IB2006/051866 2005-06-17 2006-06-12 Accurate magnetic biosensor WO2006134546A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2008516478A JP2008544246A (en) 2005-06-17 2006-06-12 Accurate magnetic biosensor
EP06765725A EP1894009A2 (en) 2005-06-17 2006-06-12 Accurate magnetic biosensor
US11/917,211 US20080206104A1 (en) 2005-06-17 2006-06-12 Accurate Magnetic Biosensor
BRPI0612623A BRPI0612623A2 (en) 2005-06-17 2006-06-12 sensor device, system and method for determining the concentration of at least one species of target in a fluid containing at least one species of polarizable or polarized magnetic labels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05105361 2005-06-17
EP05105361.9 2005-06-17

Publications (2)

Publication Number Publication Date
WO2006134546A2 WO2006134546A2 (en) 2006-12-21
WO2006134546A3 true WO2006134546A3 (en) 2007-03-08

Family

ID=37309075

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/051866 WO2006134546A2 (en) 2005-06-17 2006-06-12 Accurate magnetic biosensor

Country Status (7)

Country Link
US (1) US20080206104A1 (en)
EP (1) EP1894009A2 (en)
JP (1) JP2008544246A (en)
CN (1) CN101198870A (en)
BR (1) BRPI0612623A2 (en)
RU (1) RU2415432C2 (en)
WO (1) WO2006134546A2 (en)

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CN101438142B (en) * 2006-05-10 2013-10-30 皇家飞利浦电子股份有限公司 Rapid magnetic biosensor
JP2009543038A (en) * 2006-06-28 2009-12-03 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Magnetic sensor device and method for detecting magnetic particles
JP2009544033A (en) * 2006-07-17 2009-12-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Attraction and separation of magnetic or magnetizable objects from the sensor surface
JP5210315B2 (en) 2006-10-12 2013-06-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Magnetic and / or electrical label auxiliary detection system and method
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EP2028491A1 (en) * 2007-08-22 2009-02-25 Koninklijke Philips Electronics N.V. Method of directing magnetic or magnetisable objects to prepare bio-sensor device
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EP2073016A1 (en) * 2007-12-20 2009-06-24 Koninklijke Philips Electronics N.V. Magnetic label based detection
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JP5628784B2 (en) * 2008-03-17 2014-11-19 コーニンクレッカ フィリップス エヌ ヴェ Cartridge for assay with magnetic particles
US8053250B2 (en) * 2008-06-27 2011-11-08 Rex Chin-Yih Hong Method and system for suppressing bindings on magnetic particles
RU2520607C2 (en) 2008-10-17 2014-06-27 Конинклейке Филипс Электроникс Н.В. Actuation with pulsed magnetic field for sensitive analysis
EP2208531A1 (en) 2008-12-30 2010-07-21 Atonomics A/S Distribution of particles in capillary channel by application of magnetic field
US9599591B2 (en) 2009-03-06 2017-03-21 California Institute Of Technology Low cost, portable sensor for molecular assays
WO2010121223A2 (en) * 2009-04-17 2010-10-21 California Institute Of Technology Electromagnetic molecular sensors and methods of using same
US20120208296A1 (en) 2009-08-19 2012-08-16 Koninklijke Philips Electronics N.V. Detection of different target components by cluster formation
CN102575976B (en) * 2009-09-28 2016-03-30 皇家飞利浦电子股份有限公司 Substance determining apparatus
WO2011045436A1 (en) 2009-10-16 2011-04-21 Åmic AB An assay method and devices involving the use of magnetic particles
WO2011049044A1 (en) * 2009-10-19 2011-04-28 国立大学法人東京工業大学 Biosensor using magnetic microparticles
CN102656443B (en) 2009-12-18 2016-01-20 皇家飞利浦电子股份有限公司 Substance determining apparatus
EP2362219A1 (en) 2010-02-19 2011-08-31 Nxp B.V. Sensor measuring method and sensing apparatus
US20140099663A1 (en) * 2010-11-15 2014-04-10 Regents Of The University Of Minnesota Gmr sensor
US9304130B2 (en) 2010-12-16 2016-04-05 International Business Machines Corporation Trenched sample assembly for detection of analytes with electromagnetic read-write heads
US9040311B2 (en) 2011-05-03 2015-05-26 International Business Machines Corporation Calibration assembly for aide in detection of analytes with electromagnetic read-write heads
US8855957B2 (en) 2011-05-03 2014-10-07 International Business Machines Corporation Method for calibrating read sensors of electromagnetic read-write heads
WO2013078332A1 (en) * 2011-11-23 2013-05-30 The General Hospital Corporation Analyte detection using magnetic hall effect
US9977015B2 (en) * 2012-05-15 2018-05-22 Massachusetts Institute Of Technology Systems and methods for detecting molecular interactions using magnetic beads
RU2653145C2 (en) * 2012-09-04 2018-05-07 Конинклейке Филипс Н.В. Sensor device and method of sampling
US9435800B2 (en) 2012-09-14 2016-09-06 International Business Machines Corporation Sample assembly with an electromagnetic field to accelerate the bonding of target antigens and nanoparticles
KR101517594B1 (en) 2013-10-16 2015-05-04 (주)타스컴 Biosensor
EP3143386A4 (en) * 2014-05-12 2017-11-29 Qi, Huan Method and system for analyte sensing
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Also Published As

Publication number Publication date
RU2415432C2 (en) 2011-03-27
RU2008101786A (en) 2009-07-27
EP1894009A2 (en) 2008-03-05
US20080206104A1 (en) 2008-08-28
CN101198870A (en) 2008-06-11
WO2006134546A2 (en) 2006-12-21
JP2008544246A (en) 2008-12-04
BRPI0612623A2 (en) 2016-11-29

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