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AU2000267514A1 - High efficiency magnetic sensor for magnetic particles - Google Patents

High efficiency magnetic sensor for magnetic particles

Info

Publication number
AU2000267514A1
AU2000267514A1 AU2000267514A AU6751400A AU2000267514A1 AU 2000267514 A1 AU2000267514 A1 AU 2000267514A1 AU 2000267514 A AU2000267514 A AU 2000267514A AU 6751400 A AU6751400 A AU 6751400A AU 2000267514 A1 AU2000267514 A1 AU 2000267514A1
Authority
AU
Australia
Prior art keywords
high efficiency
magnetic
magnetic sensor
magnetic particles
particles
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.)
Abandoned
Application number
AU2000267514A
Inventor
Michael M. Miller
Gary A. Prinz
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.)
US Department of Navy
Original Assignee
US SEC
Government of the United States of America
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 US SEC, Government of the United States of America filed Critical US SEC
Publication of AU2000267514A1 publication Critical patent/AU2000267514A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G01N27/76—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids by investigating susceptibility
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G11C11/15—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
    • 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
    • G01N33/54313—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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Hematology (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Urology & Nephrology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Cell Biology (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
AU2000267514A 2000-02-04 2000-08-17 High efficiency magnetic sensor for magnetic particles Abandoned AU2000267514A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09497754 2000-02-04
US09/497,754 US6468809B1 (en) 2000-02-04 2000-02-04 High efficiency magnetic sensor for magnetic particles
PCT/US2000/020782 WO2001057506A1 (en) 2000-02-04 2000-08-17 High efficiency magnetic sensor for magnetic particles

Publications (1)

Publication Number Publication Date
AU2000267514A1 true AU2000267514A1 (en) 2001-08-14

Family

ID=23978168

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000267514A Abandoned AU2000267514A1 (en) 2000-02-04 2000-08-17 High efficiency magnetic sensor for magnetic particles

Country Status (6)

Country Link
US (3) US6468809B1 (en)
EP (1) EP1299714A4 (en)
JP (1) JP2003524781A (en)
KR (1) KR100651700B1 (en)
AU (1) AU2000267514A1 (en)
WO (1) WO2001057506A1 (en)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6468809B1 (en) * 2000-02-04 2002-10-22 The United States Of America As Represented By The Secretary Of The Navy High efficiency magnetic sensor for magnetic particles
WO2002016904A2 (en) * 2000-08-23 2002-02-28 Imego Ab Microfluidic device and method with transport of magnetic particles into and out of wells
NO20014746D0 (en) * 2001-09-28 2001-09-28 Clas M Kjoelberg Pain reliever
AU2002367781A1 (en) * 2001-10-19 2003-11-03 Sri International Device and method for handling reaction components
SE0103859D0 (en) * 2001-11-20 2001-11-20 Sven Oscarsson Novel artificial structures with magnetic functionality
US6552554B1 (en) * 2001-12-06 2003-04-22 The United States Of America As Represented By The Secretary Of The Navy Testing current perpendicular to plane giant magnetoresistance multilayer devices
JP2005513475A (en) * 2001-12-21 2005-05-12 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 Sensor and method for measuring the area density of magnetic nanoparticles on a microarray
US7126331B2 (en) 2002-07-29 2006-10-24 The United States Of America As Represented By The Secretary Of The Navy Integrated gradiometer
JP2004117822A (en) * 2002-09-26 2004-04-15 Toppan Forms Co Ltd Coating liquid for forming a thermosensitive coloring liquid toner receiving layer and a thermosensitive coloring sheet for electrostatic printing using the same
US7183120B2 (en) * 2002-10-31 2007-02-27 Honeywell International Inc. Etch-stop material for improved manufacture of magnetic devices
JP4399211B2 (en) 2002-12-21 2010-01-13 株式会社ハイニックスセミコンダクター Biosensor
US7906345B2 (en) 2003-11-12 2011-03-15 The Board Of Trustees Of The Leland Stanford Junior University Magnetic nanoparticles, magnetic detector arrays, and methods for their use in detecting biological molecules
JP2005315678A (en) * 2004-04-28 2005-11-10 Canon Inc Detection method, detection device, and detection kit
US7892817B2 (en) * 2004-05-18 2011-02-22 Koninklijke Philips Electronics, N.V. Magnetic rotation to improve signal-over-background in biosensing
US20090224755A1 (en) * 2004-11-30 2009-09-10 Koninklijke Philips Electronics, N.V. Means and method for sensing a magnetic stray field in biosensors
JP4756868B2 (en) * 2005-01-31 2011-08-24 キヤノン株式会社 Detection method
US7304360B2 (en) 2005-07-12 2007-12-04 Magic Technologies, Inc. Method of forming super-paramagnetic cladding material on conductive lines of MRAM devices
US7696548B2 (en) 2005-08-09 2010-04-13 Magic Technologies, Inc. MRAM with super-paramagnetic sensing layer
US8512559B2 (en) * 2005-11-18 2013-08-20 Intel Corporation Device, method, and system for separation and detection of biomolecules and cells
DE102006016334B4 (en) * 2006-04-06 2018-11-15 Boehringer Ingelheim Vetmedica Gmbh Method and device for detecting magnetizable particles
US8133439B2 (en) 2006-08-01 2012-03-13 Magic Technologies, Inc. GMR biosensor with enhanced sensitivity
JP5207668B2 (en) * 2007-06-22 2013-06-12 キヤノン株式会社 Detection apparatus and detection method
CN101868286A (en) 2007-09-20 2010-10-20 马格雷股份有限公司 Analyte Detection Using Magnetic Sensors
US20120119727A1 (en) * 2007-09-21 2012-05-17 Koninklijke Philips Electronics N.V. Sensor with high frequency ac magnetic field
JP4911471B2 (en) * 2007-11-06 2012-04-04 国立大学法人東京工業大学 Biosensor marker, biosensor, and biosensor marker detection method
EP2240773A2 (en) * 2007-12-18 2010-10-20 Koninklijke Philips Electronics N.V. A magnetic sensor device
US7977111B2 (en) * 2008-01-18 2011-07-12 Magic Technologies, Inc. Devices using addressable magnetic tunnel junction array to detect magnetic particles
US8053244B2 (en) * 2008-08-13 2011-11-08 Seagate Technology Llc Magnetic oscillator based biosensor
EP2401625B1 (en) 2009-02-26 2014-01-22 Regents of the University of Minnesota High magnetic moment particle detection
US8334147B2 (en) * 2009-05-26 2012-12-18 Magic Technologies, Inc. Bio-sensor with hard-direction field
US8444920B2 (en) * 2009-09-16 2013-05-21 Weiqun Liu O-ring systems and methods for quantification of multiplex biomarkers in multiple samples
KR101093776B1 (en) 2010-01-21 2011-12-19 충남대학교산학협력단 Magnetic sensor
KR101157997B1 (en) * 2010-08-19 2012-06-25 주식회사 엘지생명과학 System for signal detection of specimen using magnetic resistance sensor
WO2012068146A1 (en) * 2010-11-15 2012-05-24 Regents Of The University Of Minnesota Search coil
EP2684036B1 (en) 2011-03-09 2018-04-25 Magarray, Inc. Systems and methods for high-throughput detection of an analyte in a sample
US10739337B2 (en) * 2011-08-30 2020-08-11 Board Of Trustees Of Michigan State University Extraction and detection of pathogens using carbohydrate-functionalized biosensors
WO2013040489A1 (en) * 2011-09-14 2013-03-21 Regents Of The University Of Minnesota External field-free magnetic biosensor
CN103987654A (en) 2011-10-19 2014-08-13 明尼苏达大学董事会 Magnetic biomedical sensors and sensing system for high-throughput biomolecule testing
CN104011811B (en) * 2012-01-04 2016-11-02 丰田自动车株式会社 Rare earth nanocomposite magnets
US20140167786A1 (en) * 2012-12-14 2014-06-19 Schneider Electric USA, Inc. Current Sensor For Power Measurement Applications
JP6422935B2 (en) 2013-03-15 2018-11-14 マグアレイ，インコーポレイテッド Magnetic tunnel junction sensor and method of using the same
US10145906B2 (en) 2015-12-17 2018-12-04 Analog Devices Global Devices, systems and methods including magnetic structures
PT110107B (en) 2017-05-26 2021-11-16 Univ Aveiro PROBE ELEMENT AND METHODS FOR TEMPERATURE-CONTROLLED ANALYTE SEPARATION AND DETECTION
WO2023046901A1 (en) 2021-09-24 2023-03-30 Analog Devices International Unlimited Company, Magnetic field sensing based on particle position within container
US11940502B2 (en) 2021-09-24 2024-03-26 Analog Devices International Unlimited Company Magnetic field sensing based on particle position within container
CN114739544B (en) * 2022-02-23 2024-06-14 万津实业(赤壁)有限公司 Pressure monitoring diaphragm, assembly and pressure monitoring method
CN114777964B (en) * 2022-04-02 2024-07-09 太原理工大学 Magneto-rheological elastic composite film surface stress biosensor
US12435803B2 (en) 2022-05-27 2025-10-07 Analog Devices International Unlimited Company Flow adjustment based on particle movement in response to magnetic field
US12379433B2 (en) 2022-09-14 2025-08-05 Analog Devices International Unlimited Company Magnetically sensitive particles and magnetic structure
CN120085232A (en) * 2025-01-24 2025-06-03 哈尔滨工业大学 A magnetic moment measurement system and measurement method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225239A (en) * 1979-07-05 1980-09-30 The United States Of America As Represented By The Secretary Of The Navy Magneto-optic bias of ring laser using reflective magneto-optic element at near-grazing incidence
JPS63108264A (en) * 1986-10-25 1988-05-13 Nippon Telegr & Teleph Corp <Ntt> Magnetic enzyme measurement method and inspection reagent piece to be used for executing said method
US4823177A (en) * 1988-06-30 1989-04-18 United States Of America As Represented By The Secretary Of The Navy Method and device for magnetizing thin films by the use of injected spin polarized current
US5025416A (en) * 1989-06-01 1991-06-18 The United States Of America As Represented By The Secretary Of The Navy Thin film magnetic memory elements
TW199858B (en) * 1990-03-30 1993-02-11 Fujirebio Kk
JP2938936B2 (en) * 1990-06-15 1999-08-25 ティーディーケイ株式会社 Method for measuring antigen or antibody concentration
DE69333569T2 (en) * 1992-03-20 2005-08-04 Abbott Laboratories, Abbott Park MAGNETICALLY ASSISTED BINDING ASSAYS USING MAGNETICALLY MARKED BINDING PARTNERS.
EP0678213B1 (en) * 1992-11-16 2003-02-19 NVE Corporation Magnetoresistive structure with alloy layer
US5475304A (en) * 1993-10-01 1995-12-12 The United States Of America As Represented By The Secretary Of The Navy Magnetoresistive linear displacement sensor, angular displacement sensor, and variable resistor using a moving domain wall
US5477482A (en) * 1993-10-01 1995-12-19 The United States Of America As Represented By The Secretary Of The Navy Ultra high density, non-volatile ferromagnetic random access memory
DE19503664C2 (en) * 1995-01-27 1998-04-02 Schering Ag Magnetorelaxometric detection of analytes
US5541868A (en) 1995-02-21 1996-07-30 The United States Of America As Represented By The Secretary Of The Navy Annular GMR-based memory element
JPH1078409A (en) * 1996-09-03 1998-03-24 Kayaba Ind Co Ltd Fluid sensor
US5981297A (en) 1997-02-05 1999-11-09 The United States Of America As Represented By The Secretary Of The Navy Biosensor using magnetically-detected label
US6468809B1 (en) 2000-02-04 2002-10-22 The United States Of America As Represented By The Secretary Of The Navy High efficiency magnetic sensor for magnetic particles

Also Published As

Publication number Publication date
JP2003524781A (en) 2003-08-19
US6844202B2 (en) 2005-01-18
US20030049869A1 (en) 2003-03-13
KR100651700B1 (en) 2006-11-30
US6764861B2 (en) 2004-07-20
KR20030022770A (en) 2003-03-17
EP1299714A4 (en) 2005-03-30
EP1299714A1 (en) 2003-04-09
WO2001057506A1 (en) 2001-08-09
US20020197739A1 (en) 2002-12-26
US6468809B1 (en) 2002-10-22

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