ATE117829T1 - Magnetisch anziehbare teilchen und herstellungsverfahren. - Google Patents

Magnetisch anziehbare teilchen und herstellungsverfahren.

Info

Publication number
ATE117829T1
ATE117829T1 AT89305215T AT89305215T ATE117829T1 AT E117829 T1 ATE117829 T1 AT E117829T1 AT 89305215 T AT89305215 T AT 89305215T AT 89305215 T AT89305215 T AT 89305215T AT E117829 T1 ATE117829 T1 AT E117829T1
Authority
AT
Austria
Prior art keywords
magnetically attractable
production method
attractable particles
precursor
magnetic material
Prior art date
Application number
AT89305215T
Other languages
English (en)
Inventor
Jean Victor Sang
Paul Groves
Robert Edward Burrell
Gerard Flynn
Original Assignee
Anagen Uk Ltd
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
Priority claimed from GB888812218A external-priority patent/GB8812218D0/en
Priority claimed from CA 569920 external-priority patent/CA1340151C/en
Application filed by Anagen Uk Ltd filed Critical Anagen Uk Ltd
Application granted granted Critical
Publication of ATE117829T1 publication Critical patent/ATE117829T1/de

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
    • G01N33/5434—Magnetic particles using magnetic particle immunoreagent carriers which constitute new materials per se
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/005—Pretreatment specially adapted for magnetic separation
    • B03C1/01—Pretreatment specially adapted for magnetic separation by addition of magnetic adjuvants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • 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
    • H01F1/36—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 in the form of particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • H01F1/445—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids the magnetic component being a compound, e.g. Fe3O4
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2446/00—Magnetic particle immunoreagent carriers
    • G01N2446/20—Magnetic particle immunoreagent carriers the magnetic material being present in the particle core
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2446/00—Magnetic particle immunoreagent carriers
    • G01N2446/80—Magnetic particle immunoreagent carriers characterised by the agent used to coat the magnetic particles, e.g. lipids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2989—Microcapsule with solid core [includes liposome]

Landscapes

  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Power Engineering (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • Biotechnology (AREA)
  • General Physics & Mathematics (AREA)
  • Cell Biology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
AT89305215T 1988-05-24 1989-05-23 Magnetisch anziehbare teilchen und herstellungsverfahren. ATE117829T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888812218A GB8812218D0 (en) 1988-05-24 1988-05-24 Water-dispersable magnetically attractable particles
CA 569920 CA1340151C (en) 1988-06-20 1988-06-20 Production of coated inorganic magnetic particles

Publications (1)

Publication Number Publication Date
ATE117829T1 true ATE117829T1 (de) 1995-02-15

Family

ID=25671949

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89305215T ATE117829T1 (de) 1988-05-24 1989-05-23 Magnetisch anziehbare teilchen und herstellungsverfahren.

Country Status (7)

Country Link
US (2) US5039559A (de)
EP (1) EP0343934B1 (de)
JP (1) JP2757964B2 (de)
AT (1) ATE117829T1 (de)
DE (1) DE68920778T2 (de)
ES (1) ES2066851T3 (de)
GR (1) GR3015732T3 (de)

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE117829T1 (de) * 1988-05-24 1995-02-15 Anagen Uk Ltd Magnetisch anziehbare teilchen und herstellungsverfahren.
FR2659478B1 (fr) * 1990-03-12 1993-09-03 Vicat Ciments Composition magnetique et ses applications.
US5318797A (en) * 1990-06-20 1994-06-07 Clarkson University Coated particles, hollow particles, and process for manufacturing the same
US5242833A (en) * 1991-03-20 1993-09-07 Reference Diagnostics, Inc. Lipid fractionation
US5344640A (en) * 1991-10-22 1994-09-06 Mallinckrodt Medical, Inc. Preparation of apatite particles for medical diagnostic imaging
US5342609A (en) * 1991-10-22 1994-08-30 Mallinckrodt Medical, Inc. Microfluidization of calcium/oxyanion-containing particles
WO1995027437A1 (en) * 1991-10-22 1995-10-19 Mallinckrodt Medical, Inc. Microfluidization of calcium/oxyanion-containing particles
US5407659A (en) * 1991-10-22 1995-04-18 Mallinckrodt Medical, Inc. Treated calcium/oxyanion-containing particles for medical diagnostic imaging
DE4140900A1 (de) * 1991-12-12 1993-06-17 Basf Ag Als carrier fuer die elektrophotographie geeignete teilchen
US5965194A (en) * 1992-01-10 1999-10-12 Imation Corp. Magnetic recording media prepared from magnetic particles having an extremely thin, continuous, amorphous, aluminum hydrous oxide coating
US5702630A (en) * 1992-07-16 1997-12-30 Nippon Oil Company, Ltd. Fluid having both magnetic and electrorheological characteristics
US5354488A (en) * 1992-10-07 1994-10-11 Trw Inc. Fluid responsive to a magnetic field
DE4325071C2 (de) * 1993-07-19 1995-08-10 Lancaster Group Ag Präparat zur Durchblutungsförderung
JPH0790290A (ja) * 1993-09-21 1995-04-04 Nippon Oil Co Ltd 磁性と電気粘性効果とを同時に有する流体用分散粒子及びそれを用いた流体。
US6048920A (en) 1994-08-15 2000-04-11 Xerox Corporation Magnetic nanocomposite compositions and processes for the preparation and use thereof
US5828142A (en) * 1994-10-03 1998-10-27 Mrs Technology, Inc. Platen for use with lithographic stages and method of making same
US5520904A (en) * 1995-01-27 1996-05-28 Mallinckrodt Medical, Inc. Calcium/oxyanion-containing particles with a polymerical alkoxy coating for use in medical diagnostic imaging
US5585136A (en) * 1995-03-22 1996-12-17 Queen's University At Kingston Method for producing thick ceramic films by a sol gel coating process
DE19854973B4 (de) * 1998-11-30 2010-02-04 Institut Für Neue Materialien Gem. Gmbh Verfahren zur Reinigung von Nukleinsäuren
KR100463475B1 (ko) * 1995-06-08 2005-06-22 로셰 디아그노스틱스 게엠베하 자기성피그먼트
DE19520398B4 (de) * 1995-06-08 2009-04-16 Roche Diagnostics Gmbh Magnetisches Pigment
DE19549875B4 (de) * 1995-06-08 2016-12-08 Roche Diagnostics Gmbh Verwendung von magnetischen Partikeln zur Isolierung von Nukleinsäuren
EP1260595B1 (de) * 1995-07-07 2006-09-13 Toyo Boseki Kabushiki Kaisha Nukleinsäuren bindender magnetischer Träger und Verfahren für die Nukleinsäureisolierung unter dessen Verwendung
JP2965131B2 (ja) 1995-07-07 1999-10-18 東洋紡績株式会社 核酸結合用磁性担体およびそれを用いる核酸単離方法
US5714248A (en) * 1996-08-12 1998-02-03 Xerox Corporation Electrostatic imaging member for contact charging and imaging processes thereof
DE19638591A1 (de) * 1996-09-20 1998-04-02 Merck Patent Gmbh Kugelförmige magnetische Partikel
US6027945A (en) * 1997-01-21 2000-02-22 Promega Corporation Methods of isolating biological target materials using silica magnetic particles
US20050287583A1 (en) * 1997-01-21 2005-12-29 Promega Corporation Methods and kits for isolating biological target materials using silica magnetic particles
WO1998031461A1 (en) * 1997-01-21 1998-07-23 W.R. Grace & Co.-Conn. Silica adsorbent on magnetic substrate
US6102980A (en) * 1997-03-31 2000-08-15 Tdk Corporation Dust core, ferromagnetic powder composition therefor, and method of making
US6413489B1 (en) 1997-04-15 2002-07-02 Massachusetts Institute Of Technology Synthesis of nanometer-sized particles by reverse micelle mediated techniques
JP3839136B2 (ja) * 1997-07-02 2006-11-01 独立行政法人科学技術振興機構 微生物固定化磁性担体、その製造方法及び廃水処理方法
DK0942780T3 (da) * 1997-09-09 2003-10-27 Lyotropic Therapeutics Inc Overtrukne partikler, fremgangsmåder til fremstilling deraf og anvendelse deraf
DE19743518A1 (de) * 1997-10-01 1999-04-15 Roche Diagnostics Gmbh Automatisierbare universell anwendbare Probenvorbereitungsmethode
US6337215B1 (en) * 1997-12-01 2002-01-08 International Business Machines Corporation Magnetic particles having two antiparallel ferromagnetic layers and attached affinity recognition molecules
DE19806167A1 (de) * 1998-02-14 1999-08-19 Studiengesellschaft Kohle Mbh Edelmetall-geschützte, antikorrosive magnetische Nanokolloide
US6190680B1 (en) * 1998-04-01 2001-02-20 The Nisshin Oil Mills, Ltd. Oily composition and process for producing the same
US6099894A (en) * 1998-07-27 2000-08-08 Frisby Technologies, Inc. Gel-coated microcapsules
JP2000049008A (ja) * 1998-07-29 2000-02-18 Tdk Corp 圧粉コア用強磁性粉末、圧粉コアおよびその製造方法
US6491976B2 (en) 1998-08-28 2002-12-10 Sharp Kabushiki Kaisha Method for adding hydrophilic groups to the surface of particles
JP2001080967A (ja) * 1999-09-06 2001-03-27 Sumitomo Electric Ind Ltd Ｓｉ３Ｎ４セラミックスとその製造用Ｓｉ基組成物及びこれらの製造方法
IL149004A0 (en) * 1999-10-18 2002-11-10 Ferx Inc Magnetic targeted carrier composed of iron and porous materials for the targeted delivery of biologically active agents
ATE315826T1 (de) * 1999-11-17 2006-02-15 Roche Diagnostics Gmbh Magnetische glasteilchen, herstellungsverfahren und benutzung
AU6380001A (en) * 2000-03-24 2001-10-03 Qiagen Gmbh Porous ferro- or ferrimagnetic glass particles for isolating molecules
US6689615B1 (en) * 2000-10-04 2004-02-10 James Murto Methods and devices for processing blood samples
DE10065761B4 (de) * 2000-12-30 2005-01-20 Merck Patent Gmbh Plättchenförmige magnetische Partikel, ihre Herstellung und Verwendung
JP5101791B2 (ja) * 2001-04-13 2012-12-19 コーネル・リサーチ・ファンデーション・インコーポレイテッド 超常磁性ナノ構造材料
GB0116359D0 (en) * 2001-07-04 2001-08-29 Genovision As Preparation of polymer particles
KR100406851B1 (ko) * 2001-08-21 2003-11-21 이종협 자철광을 함유한 중금속 흡착제용 중형기공성 실리카의제조방법
DE10201084A1 (de) 2002-01-14 2003-07-24 Bayer Ag Siliziumhaltige Magnetpartikel, Verfahren zu deren Herstellung und Verwendung der Partikel
US7087544B2 (en) * 2002-05-29 2006-08-08 The Regents Of The University Of California Nano-ceramics and method thereof
US20100267541A1 (en) * 2002-05-29 2010-10-21 The Regents Of The University Of Ca Nano-ceramics and method thereof
DE60316748T2 (de) * 2002-06-27 2008-02-07 Toyo Boseki K.K. Magnetischer Träger für biologische Substanzen, Verfahren zur seiner Produktion und seiner Verwendung zur Isolierung dieser biologischen Substanzen
WO2004065306A1 (ja) * 2003-01-17 2004-08-05 Hitachi Maxell, Ltd. 複合粒子およびその製造方法
US20050019558A1 (en) * 2003-07-24 2005-01-27 Amitabh Verma Coated ferromagnetic particles, method of manufacturing and composite magnetic articles derived therefrom
RU2255800C1 (ru) * 2003-10-14 2005-07-10 Германов Евгений Павлович Магнитоуправляемый сорбент и способ его получения
DE10355409A1 (de) 2003-11-25 2005-06-30 Magnamedics Gmbh Sphärische, magnetische Silicagel-Träger mit vergrößerter Oberfläche für die Aufreinigung von Nukleinsäuren
US20090220989A1 (en) * 2005-12-05 2009-09-03 Guava Technologies Particle-Based Analyte Characterization
WO2007070381A2 (en) 2005-12-09 2007-06-21 Promega Corporation Nucleic acid purification with a binding matrix
CA2571904A1 (en) * 2006-02-15 2007-08-15 Fio Corporation System and method of detecting pathogens
WO2007148734A1 (ja) * 2006-06-20 2007-12-27 Hitachi Metals, Ltd. 金属微粒子及び生体物質抽出用の磁気ビーズ、並びにそれらの製造方法
EP1884284A1 (de) 2006-08-04 2008-02-06 Samsung Electronics Co., Ltd. Absperrventileinheit und Reaktionsvorrichtung mit Absperrventil
CN100408233C (zh) * 2006-08-23 2008-08-06 北京科技大学 大尺寸稀土各向异性粘结磁体的磁场凝胶注模成型方法
CA2580589C (en) 2006-12-19 2016-08-09 Fio Corporation Microfluidic detection system
US8360321B2 (en) 2007-04-02 2013-01-29 Fio Corporation System and method of deconvolving multiplexed fluorescence spectral signals generated by quantum dot optical coding technology
DE102007017641A1 (de) * 2007-04-13 2008-10-16 Infineon Technologies Ag Aushärtung von Schichten am Halbleitermodul mittels elektromagnetischer Felder
DE102007027971A1 (de) * 2007-06-19 2008-12-24 Robert Bosch Gmbh Verfahren zur Herstellung von stabilisierten Partikeln
JP2010530912A (ja) 2007-06-22 2010-09-16 フィオ コーポレイション 量子ドットをドープしたポリマーマイクロビーズの製造システム及び方法
WO2009006739A1 (en) 2007-07-09 2009-01-15 Fio Corporation Systems and methods for enhancing fluorescent detection of target molecules in a test sample
CN101861203B (zh) 2007-10-12 2014-01-22 Fio公司 用于形成浓缩体积的微珠的流动聚焦方法和系统以及形成的微珠
JP5321469B2 (ja) * 2007-12-10 2013-10-23 日立化成株式会社 粉末及びその製造方法
DE102008015365A1 (de) 2008-03-20 2009-09-24 Merck Patent Gmbh Magnetische Nanopartikel und Verfahren zu deren Herstellung
US20090247652A1 (en) * 2008-03-27 2009-10-01 Headwaters Technology Innovation, Llc Metal colloids and methods for making the same
US9792809B2 (en) 2008-06-25 2017-10-17 Fio Corporation Bio-threat alert system
BRPI0917839A2 (pt) 2008-08-29 2015-11-24 Fio Corp dispositivo de teste de diagnóstico portátil de uso único, e um sistema associado e método para teste de amostras de teste ambientais e biológicas
CN104374932A (zh) 2009-01-13 2015-02-25 Fio公司 与电子设备和快速诊断测试中的测试盒结合使用的手持诊断测试设备
US8039613B2 (en) 2009-08-28 2011-10-18 Promega Corporation Methods of purifying a nucleic acid and formulation and kit for use in performing such methods
US8222397B2 (en) * 2009-08-28 2012-07-17 Promega Corporation Methods of optimal purification of nucleic acids and kit for use in performing such methods
US8697435B2 (en) * 2009-08-31 2014-04-15 Mbio Diagnostics, Inc. Integrated sample preparation and analyte detection
EP2345719A1 (de) 2010-01-18 2011-07-20 Qiagen GmbH Verfahren zur Isolierung kleiner RNA
DE102010014840B4 (de) 2010-04-13 2015-12-10 Magnamedics Gmbh DNase-beschichtete magnetische Partikel
EP2407540A1 (de) 2010-07-15 2012-01-18 Qiagen GmbH Verfahren zur Reinigung von Nukleinsäure
DK2742152T3 (en) 2011-08-12 2017-07-31 Qiagen Gmbh PROCEDURE FOR ISOLATING NUCLEIC ACIDS
EP2634254A1 (de) 2012-02-29 2013-09-04 QIAGEN GmbH Verfahren zur Isolierung von Nukleinsäuren aus Nahrungsmittelproben
US20150225712A1 (en) 2012-08-21 2015-08-13 Qiagen Gmbh Method for isolating nucleic acids from a formaldehyde releaser stabilized sample
US10233508B2 (en) 2012-08-21 2019-03-19 Qiagen Gmbh Virus particle stabilisation and method for isolating viral nucleic acids
WO2014033326A1 (en) 2012-09-03 2014-03-06 Qiagen Gmbh Method for isolating rna including small rna with high yield
EP2954054B1 (de) 2013-02-08 2018-12-05 Qiagen GmbH Verfahren zum trennen von dna anhand der grösse
US9566662B2 (en) 2013-04-11 2017-02-14 Fujico Co., Ltd. Method for manufacturing mill roll, mill roll and manufacturing apparatus of mill roll
JP6569173B2 (ja) * 2015-01-28 2019-09-04 パウダーテック株式会社 外殻構造を有するフェライト粒子
JP6583877B2 (ja) * 2015-01-28 2019-10-02 パウダーテック株式会社 外殻構造を有する濾材用フェライト粒子
EP3059312A1 (de) 2015-02-20 2016-08-24 QIAGEN GmbH Nukleinsäureextraktionsverfahren
US10711265B2 (en) 2015-06-01 2020-07-14 Qiagen Gmbh Electrophoresis assisted method for purifying a target nucleic acid using a delayed elution approach
EP3303582A1 (de) 2015-06-01 2018-04-11 Qiagen GmbH Elektrophoreseunterstütztes verfahren und vorrichtung zur reinigung eines geladenen zielmoleküls aus einer probe
US20180291365A1 (en) 2015-06-05 2018-10-11 Qiagen Gmbh Method for separating dna by size
DE102015121822A1 (de) * 2015-12-15 2017-06-22 Bogen Electronic Gmbh Gegenstand mit Informationen sowie Verfahren zum Aufbringen und Auslesen der Informationen des Gegenstands
WO2018131536A1 (ja) * 2017-01-12 2018-07-19 株式会社村田製作所 磁性体粒子、圧粉磁心、およびコイル部品
CN111148834B (zh) 2017-09-27 2024-06-11 凯杰有限公司 以高收率分离rna的方法
DE102020125278A1 (de) 2020-09-28 2022-03-31 Bundesrepublik Deutschland, Vertreten Durch Das Bundesministerium Für Wirtschaft Und Energie, Dieses Vertreten Durch Den Präsidenten Der Physikalischen Bundesanstalt 3D-Druckverfahren, Messverfahren zum Bestimmen der Magnetisierbarkeit eines Druckteils, das Nanopartikel enthält, und 3D-Drucker
WO2026003371A1 (en) 2024-06-29 2026-01-02 Qiagen Gmbh Method for treatment of a biological sample

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1669647A (en) * 1926-04-17 1928-05-15 Western Electric Co Magnetic material
FR1237355A (fr) * 1958-08-26 1960-07-29 Ibm Encre magnétique et son procédé de fabrication
US3954678A (en) * 1974-07-11 1976-05-04 E. I. Du Pont De Nemours And Company Semipermeable microcapsules containing a silica gel
US4011096A (en) * 1975-06-10 1977-03-08 E. I. Du Pont De Nemours And Company Vesiculated silica microspheres
US4115534A (en) * 1976-08-19 1978-09-19 Minnesota Mining And Manufacturing Company In vitro diagnostic test
DE2911776A1 (de) * 1979-03-26 1980-10-09 Basf Ag Verfahren zur herstellung von in kieselgel eingebetteten enzymatisch aktiven praeparaten
JPS5676510A (en) * 1979-11-28 1981-06-24 Tdk Corp Manufacture of magnetic recording material
US4382982A (en) * 1979-12-07 1983-05-10 Ici Australia Limited Process for protecting magnetic particles with chromium oxide
US4280918A (en) * 1980-03-10 1981-07-28 International Business Machines Corporation Magnetic particle dispersions
US4343901A (en) * 1980-10-22 1982-08-10 Uop Inc. Magnetic support matrix for enzyme immobilization
US4438156A (en) * 1982-09-30 1984-03-20 International Business Machines Corporation Mono-particle magnetic dispersion in organic polymers for magnetic recording
JPS6364308A (ja) * 1986-09-05 1988-03-22 Rigaku Keisoku Kk 磁性流体
JPH01247503A (ja) * 1988-03-30 1989-10-03 Tdk Corp 磁性粒子およびその製造方法
ATE117829T1 (de) * 1988-05-24 1995-02-15 Anagen Uk Ltd Magnetisch anziehbare teilchen und herstellungsverfahren.

Also Published As

Publication number Publication date
US5039559A (en) 1991-08-13
JPH0238318A (ja) 1990-02-07
ES2066851T3 (es) 1995-03-16
DE68920778D1 (de) 1995-03-09
EP0343934A2 (de) 1989-11-29
DE68920778T2 (de) 1995-05-18
GR3015732T3 (en) 1995-07-31
US5662824A (en) 1997-09-02
EP0343934B1 (de) 1995-01-25
JP2757964B2 (ja) 1998-05-25
EP0343934A3 (en) 1990-11-22

Similar Documents

Publication Publication Date Title
DE68920778D1 (de) Magnetisch anziehbare Teilchen und Herstellungsverfahren.
DE3689618D1 (de) Magnetische polymerteilchen.
KR860005749A (ko) 좁은 크기 분포와 2 미크론 이하의 크기를 갖는 구형 비응집 입자 형태의 알파-알루미나의 제조방법
DE69117649D1 (de) Verfahren zur Herstellung von feinkugeligen, gleichförmig grossen anorganischen Teilchen
IT8319819A0 (it) Processo e apparecchio per lapreparazione di particelle di ossidi metallici monodisperse, sferiche, non aggregate e di dimensione inferiore al micron.
AU4374089A (en) Ion-exchange composition employing resin attachment to dispersant and method for forming the same
EP0817363A3 (de) Elektromagnetisches Antriebsverfahren und Vorrichtung zum Antreiben eines drehstabilisierten magnetisch schwebenden Gegenstandes
EP0343957A3 (de) Oberflächenbehandelter magnetischer Puder und diesen Puder enthaltende giessbare Dauermagnetzusammenstellung
CA2004897A1 (en) Apparatus and method for manufacturing a ceramic superconductor coated metal fiber
Bacri et al. Magnetic liquids
EP0383035A3 (de) Magnetkerne aus Eisen-Silizium-Legierungspulver und Herstellungsverfahren
Odenbach Ferrofluids‐Magnetisable Liquids and Their Application in Density Separation
BR8902403A (pt) Processo de dispersao e respectiva dispersao
JPS57186312A (en) Bistable keep solenoid
EP0898982B1 (de) Einrichtung zur Magnetotherapie
CA2012294A1 (en) Magnetic devices with enhanced poles
EP0586051A3 (de) Herstellungsverfahren eines stabilen Kolloids von submikronischen Teilchen und magnetischen Flüssigkeiten
JPS5943068Y2 (ja) 磁気チヤツク
Nakatani et al. Ferromagnetic Resonances of Metallic Fine Particles.(Retroactive Coverage)
JPS5758246A (en) Manufacture of vertical magnetic recording medium
JPS5781848A (en) Method and apparatus for concentration of magnetic fluid
Lomonosov et al. Study of Influence of Thermomagnetic Treatment on Ultrafine Interactions in Amorphous Alloy Fe sub 84 B sub 16
EP0300266A3 (en) Device for testing metallic work pieces
Mishima et al. Spindle Ferromagnetic Alloy Particles
JPS5758240A (en) Manufacture of magnetic recording medium

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
EEIH Change in the person of patent owner
EELA Cancelled due to lapse of time