KR100651700B1 - 자기 입자들을 위한 고효율 자기 센서 - Google Patents

자기 입자들을 위한 고효율 자기 센서 Download PDF

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Publication number
KR100651700B1
KR100651700B1 KR1020027007883A KR20027007883A KR100651700B1 KR 100651700 B1 KR100651700 B1 KR 100651700B1 KR 1020027007883 A KR1020027007883 A KR 1020027007883A KR 20027007883 A KR20027007883 A KR 20027007883A KR 100651700 B1 KR100651700 B1 KR 100651700B1
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South Korea
Prior art keywords
magnetic
layer
sensing element
electrically conductive
layers
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Expired - Fee Related
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English (en)
Korean (ko)
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KR20030022770A (ko
Inventor
게리 에이. 프린즈
마이클 엠. 밀러
Original Assignee
더 유나이티드 스테이츠 오브 아메리카 에즈 리프리젠티드 바이 더 세크리테리 오브 더 네이비
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Publication of KR20030022770A publication Critical patent/KR20030022770A/ko
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    • 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

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  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Urology & Nephrology (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Cell Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Microbiology (AREA)
  • Biotechnology (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)
KR1020027007883A 2000-02-04 2000-08-17 자기 입자들을 위한 고효율 자기 센서 Expired - Fee Related KR100651700B1 (ko)

Applications Claiming Priority (3)

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

Publications (2)

Publication Number Publication Date
KR20030022770A KR20030022770A (ko) 2003-03-17
KR100651700B1 true KR100651700B1 (ko) 2006-11-30

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KR1020027007883A Expired - Fee Related KR100651700B1 (ko) 2000-02-04 2000-08-17 자기 입자들을 위한 고효율 자기 센서

Country Status (6)

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

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US7126331B2 (en) 2002-07-29 2006-10-24 The United States Of America As Represented By The Secretary Of The Navy Integrated gradiometer
JP2004117822A (ja) * 2002-09-26 2004-04-15 Toppan Forms Co Ltd 感熱発色性液体トナー受容層形成用塗工液およびそれを用いた感熱発色性静電印刷用シート
US7183120B2 (en) * 2002-10-31 2007-02-27 Honeywell International Inc. Etch-stop material for improved manufacture of magnetic devices
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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
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EP1751534A1 (en) * 2004-05-18 2007-02-14 Koninklijke Philips Electronics N.V. Magnetic rotation to improve signal-over-background in biosensing
EP1820011A2 (en) * 2004-11-30 2007-08-22 Koninklijke Philips Electronics N.V. Means and method for sensing a magnetic stray field in biosensors
JP4756868B2 (ja) * 2005-01-31 2011-08-24 キヤノン株式会社 検出方法
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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 (de) * 2006-04-06 2018-11-15 Boehringer Ingelheim Vetmedica Gmbh Verfahren und Vorrichtung zur Detektion magnetisierbarer Partikel
US8133439B2 (en) 2006-08-01 2012-03-13 Magic Technologies, Inc. GMR biosensor with enhanced sensitivity
JP5207668B2 (ja) * 2007-06-22 2013-06-12 キヤノン株式会社 検出装置及び検出方法
US9863939B2 (en) 2007-09-20 2018-01-09 Magarray, Inc. Analyte detection with magnetic sensors
CN101802614B (zh) * 2007-09-21 2013-08-07 皇家飞利浦电子股份有限公司 具有高频交流磁场的传感器及描述流体样本特征的方法
JP4911471B2 (ja) * 2007-11-06 2012-04-04 国立大学法人東京工業大学 バイオセンサ用マーカ、バイオセンサ、及びバイオセンサ用マーカ検出方法
US20100277160A1 (en) * 2007-12-18 2010-11-04 Koninklijke Philips Electronics N.V. 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 (ko) 2010-01-21 2011-12-19 충남대학교산학협력단 자기 센서
KR101157997B1 (ko) * 2010-08-19 2012-06-25 주식회사 엘지생명과학 자기저항센서를 이용한 검출시스템
US20140099663A1 (en) * 2010-11-15 2014-04-10 Regents Of The University Of Minnesota Gmr sensor
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EP2756292A1 (en) 2011-09-14 2014-07-23 Regents of the University of Minnesota External field-free magnetic biosensor
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US10145906B2 (en) 2015-12-17 2018-12-04 Analog Devices Global Devices, systems and methods including magnetic structures
PT110107B (pt) 2017-05-26 2021-11-16 Univ Aveiro Elemento de sonda e métodos para separação e deteção de analitos controlada por temperatura
WO2023046901A1 (en) 2021-09-24 2023-03-30 Analog Devices International Unlimited Company, Magnetic field sensing based on particle position within container
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CN114739544B (zh) * 2022-02-23 2024-06-14 万津实业(赤壁)有限公司 压力监测膜片、组件及压力监测方法
CN114777964B (zh) * 2022-04-02 2024-07-09 太原理工大学 一种磁流变弹性复合薄膜表面应力生物传感器
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US12379433B2 (en) 2022-09-14 2025-08-05 Analog Devices International Unlimited Company Magnetically sensitive particles and magnetic structure
CN120085232A (zh) * 2025-01-24 2025-06-03 哈尔滨工业大学 一种磁矩测量系统及测量方法

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Also Published As

Publication number Publication date
KR20030022770A (ko) 2003-03-17
US6468809B1 (en) 2002-10-22
EP1299714A1 (en) 2003-04-09
WO2001057506A1 (en) 2001-08-09
US20020197739A1 (en) 2002-12-26
AU2000267514A1 (en) 2001-08-14
EP1299714A4 (en) 2005-03-30
US6764861B2 (en) 2004-07-20
JP2003524781A (ja) 2003-08-19
US6844202B2 (en) 2005-01-18
US20030049869A1 (en) 2003-03-13

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