JP2010517287A - 作用領域の磁性粒子に影響を与え及び/又はそれらを検出する方法、磁性粒子及び磁性粒子の使用 - Google Patents
作用領域の磁性粒子に影響を与え及び/又はそれらを検出する方法、磁性粒子及び磁性粒子の使用 Download PDFInfo
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- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
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Abstract
Description
−約220emu/gの飽和磁化を有するいわゆるbcc鉄(bcc―Fe)、
−約170emu/gの飽和磁化を有するいわゆるfccコバルト(fcc―Co)、
−約240emu/gの飽和磁化を有するFe50Co50、
−例えばFePt合金のような、Mn、Cu、Cr、Pt、Ba、Gd、Ho、Sm等の非磁性元素との合金を更に含む、Ni、Fe及びCoの他の合金。
Claims (13)
- 作用領域の磁性粒子に影響を与え及び/又はそれらを検出する方法であって、
磁性粒子を作用領域に導入するステップと、
低い磁界強度を有する第1のサブゾーン及びより高い磁界強度を有する第2のサブゾーンが前記作用領域に形成されるような磁界強度の空間パターンを有する選択磁界を生成するステップと、
前記磁性粒子の前記磁化が局所的に変化するように、駆動磁界によって前記作用領域の前記2つのサブゾーンの空間位置を変えるステップと、
前記第1及び前記第2のサブゾーンの空間位置の変化によって影響を与えられる前記作用領域の前記磁化に依存する信号を取得するステップと、
を含み、前記磁性粒子は、コア領域及びシェル領域を有し、前記コア領域は、磁性材料を含み、前記コア領域の前記磁性材料は、比較的高い飽和磁化の主に金属の材料として提供され、前記シェル領域は、主に金属酸化物材料及び/又は貴金属材料を含む方法。 - コア領域及びシェル領域を有する磁性粒子であって、前記コア領域は、磁性材料を含み、前記コア領域の前記磁性材料は、比較的高い飽和磁化の主に金属の材料として提供され、前記シェル領域は、主に金属酸化物材料及び/又は貴金属材料を含む磁性粒子。
- 前記磁性粒子が、モノドメイン磁性粒子として提供される、請求項2に記載の磁性粒子。
- 前記コア領域の前記磁性材料は、少なくとも約100emu/g(Am2/kg)の、好適には少なくとも約120emu/g(Am2/kg)の、非常に好適には少なくとも約150emu/g(Am2/kg)の、飽和磁化を有する、請求項2に記載の磁性粒子。
- 前記コア領域の前記磁性材料が、前記磁化の異方性を有する、請求項2に記載の磁性粒子。
- 前記磁化異方性は、約1mT乃至約10mT、好適には3mT乃至約5mTのレンジで提供される、請求項5に記載の磁性粒子。
- 約1mT乃至約10mTのレンジの指定される磁化異方性を有し、前記磁化異方性の標準偏差は、1mTより小さく、好適には0.5mTより小さく、最も好適には0.25mTより小さい、請求項5に記載の磁性粒子。
- 前記シェル領域は、主に酸化鉄材料、好適にはフェライト材料、非常に好適には磁鉄鉱材料又はマグヘマイト材料を含む、請求項2に記載の磁性粒子。
- 前記シェル領域は、主に金属金材料又は金属銀材料を含む、請求項2に記載の磁性粒子。
- 前記磁性粒子は、コーティング領域が前記磁性粒子の前記環境に適応されるように、前記シェル領域を少なくとも部分的に囲む該コーティング領域を更に有する、請求項2に記載の磁性粒子。
- 前記コーティング領域は、検査領域の1又は複数のターゲット分子に反応する少なくとも1つのターゲティングリガンドを有する、請求項10に記載の磁性粒子。
- 前記磁性粒子は、1又は複数のターゲット分子に結合したのち、低下した回転移動度を有し、前記少なくとも1つのターゲッティングリガンドは、好適には生物学的エンティティであり、特にアミノ酸、ポリペプチド又は核酸であり、前記ターゲット分子は、好適には生物学的エンティティであり、特に酵素、核酸又は抗体である、請求項11に記載の磁性粒子。
- 磁性粒子イメージングのための請求項2に記載の磁性粒子の使用。
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EP07101071 | 2007-01-24 | ||
EP07101071.4 | 2007-01-24 | ||
PCT/IB2008/050186 WO2008090500A2 (en) | 2007-01-24 | 2008-01-18 | Method for influencing and/or detecting magnetic particles in a region of action, magnetic particles and the use of magnetic particles |
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JP5404417B2 JP5404417B2 (ja) | 2014-01-29 |
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US (1) | US8354841B2 (ja) |
EP (1) | EP2124715A2 (ja) |
JP (1) | JP5404417B2 (ja) |
CN (2) | CN101600389A (ja) |
BR (1) | BRPI0806911A8 (ja) |
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WO2012068178A1 (en) * | 2010-11-15 | 2012-05-24 | The Board Of Trustees Of The University Of Alabama For And On Behalf Of The University Of Alabama | Magnetic exchange coupled core-shell nanomagnets |
EP2685273A1 (en) * | 2012-07-13 | 2014-01-15 | Université Montpellier 2, Sciences et Techniques | Micromagnetometry detection system and method for detecting magnetic signatures of magnetic materials |
DE102014226138A1 (de) | 2014-12-16 | 2016-06-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Herstellen einer Vorrichtung mit einer dreidimensionalen magnetischen Struktur |
DE102016215616B4 (de) * | 2016-08-19 | 2020-02-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Herstellen einer magnetischen Struktur und Vorrichtung |
DE102016215617A1 (de) | 2016-08-19 | 2018-02-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Herstellen eines Hohlraums mit poröser Struktur |
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KR20230101164A (ko) * | 2021-12-29 | 2023-07-06 | 브이메이커(주) | 광대역 반사 및 흡수를 갖는 전자기파 차폐소재 및 그 제조방법 |
KR102583310B1 (ko) * | 2021-12-29 | 2023-09-26 | 브이메이커(주) | 광대역 반사 및 흡수를 갖는 전자기파 차폐소재 및 그 제조방법 |
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RU2009131746A (ru) | 2011-02-27 |
RU2481570C2 (ru) | 2013-05-10 |
WO2008090500A2 (en) | 2008-07-31 |
JP5404417B2 (ja) | 2014-01-29 |
US8354841B2 (en) | 2013-01-15 |
WO2008090500A3 (en) | 2008-09-12 |
EP2124715A2 (en) | 2009-12-02 |
BRPI0806911A2 (pt) | 2014-04-29 |
US20100123456A1 (en) | 2010-05-20 |
BRPI0806911A8 (pt) | 2015-10-13 |
CN104042214A (zh) | 2014-09-17 |
CN101600389A (zh) | 2009-12-09 |
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