AU4553297A - Spherical magnetic particles - Google Patents

Spherical magnetic particles

Info

Publication number
AU4553297A
AU4553297A AU45532/97A AU4553297A AU4553297A AU 4553297 A AU4553297 A AU 4553297A AU 45532/97 A AU45532/97 A AU 45532/97A AU 4553297 A AU4553297 A AU 4553297A AU 4553297 A AU4553297 A AU 4553297A
Authority
AU
Australia
Prior art keywords
magnetic particles
spherical magnetic
spherical
particles
magnetic
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
AU45532/97A
Inventor
Ralf Anselmann
Martin Geoffrey Pellatt
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.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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 Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of AU4553297A publication Critical patent/AU4553297A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/10—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/112—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles with a skin
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2446/00—Magnetic particle immunoreagent carriers
    • G01N2446/10—Magnetic particle immunoreagent carriers the magnetic material being used to coat a pre-existing polymer particle but not 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
    • G01N2446/40—Magnetic particle immunoreagent carriers the magnetic material being dispersed in the monomer composition prior to polymerisation
    • 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
    • G01N2446/84—Polymer coating, e.g. gelatin
    • 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
    • G01N2446/86—Magnetic particle immunoreagent carriers characterised by the agent used to coat the magnetic particles, e.g. lipids the coating being pre-functionalised for attaching immunoreagents, e.g. aminodextran

Landscapes

  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Urology & Nephrology (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Food Science & Technology (AREA)
  • Biotechnology (AREA)
  • Cell Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Dermatology (AREA)
  • Power Engineering (AREA)
  • Compounds Of Iron (AREA)
  • Soft Magnetic Materials (AREA)
AU45532/97A 1996-09-20 1997-09-05 Spherical magnetic particles Abandoned AU4553297A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19638591 1996-09-20
DE1996138591 DE19638591A1 (en) 1996-09-20 1996-09-20 Spherical magnetic particles
PCT/EP1997/004828 WO1998012717A1 (en) 1996-09-20 1997-09-05 Spherical magnetic particles

Publications (1)

Publication Number Publication Date
AU4553297A true AU4553297A (en) 1998-04-14

Family

ID=7806353

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45532/97A Abandoned AU4553297A (en) 1996-09-20 1997-09-05 Spherical magnetic particles

Country Status (3)

Country Link
AU (1) AU4553297A (en)
DE (1) DE19638591A1 (en)
WO (1) WO1998012717A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6822081B2 (en) * 2000-01-13 2004-11-23 Max-Planck Gesellschaft zur Förderung der Wissenschaften e.V. Process for the isolation and/or purification of a proteinaceous material
WO2001071732A2 (en) 2000-03-24 2001-09-27 Qiagen Gmbh Porous ferro- or ferrimagnetic glass particles for isolating molecules
EP1312671B1 (en) * 2000-08-21 2009-04-01 National Institute of Advanced Industrial Science and Technology Magnetic particles having lower limit critical solution temperature
DE10065761B4 (en) * 2000-12-30 2005-01-20 Merck Patent Gmbh Platelet-shaped magnetic particles, their preparation and use
GB2408504B (en) * 2002-08-29 2007-01-24 Nippon Sheet Glass Co Ltd Exothermic elements for hyperthermic treatment, and method of manufacturing same
DE10355409A1 (en) 2003-11-25 2005-06-30 Magnamedics Gmbh Spherical, magnetic silica gel carriers with increased surface area for the purification of nucleic acids
GB0512374D0 (en) * 2005-06-17 2005-07-27 Nanosphere Ltd Coated microspheres
KR101157174B1 (en) * 2005-11-24 2012-06-20 삼성전자주식회사 Method and apparatus for rapidly lysing cells or virus
KR100829585B1 (en) * 2006-04-07 2008-05-14 삼성전자주식회사 Method and apparatus for target cell separation and rapid nucleic acids isolation
EP2108699B1 (en) 2008-04-08 2014-06-25 F.Hoffmann-La Roche Ag Analytical processing and detection device
US8404347B2 (en) 2009-01-26 2013-03-26 Hong Kong Polytechnic University Method of synthesis of amphiphilic magnetic composite particles
CN102363624B (en) 2010-06-18 2016-03-30 香港理工大学 Use the removal of amphiphilic core-shell type nano adsorber induced by endotoxin
WO2016065218A1 (en) 2014-10-23 2016-04-28 Corning Incorporated Polymer-encapsulated magnetic nanoparticles
CN107249752B (en) * 2015-01-27 2019-12-13 赛库乐米克斯公司 Layered silica flakes for magnetic nucleic acid extraction
DE102018216190A1 (en) 2018-09-24 2020-03-26 RTI Rauschendorf Tittel Ingenieure GmbH Grinding media, device and method for producing the grinding media and use

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124735A (en) * 1976-12-02 1978-11-07 Xerox Corporation Magnetic glass carrier materials
GB1568349A (en) * 1977-03-15 1980-05-29 Hitachi Ltd Magnetic adsorbent and method for production thereof
US4280918A (en) * 1980-03-10 1981-07-28 International Business Machines Corporation Magnetic particle dispersions
GB2125018B (en) * 1982-08-05 1985-10-09 Uop Inc Magnetic support matrix
DE3616133A1 (en) * 1985-09-25 1987-11-19 Merck Patent Gmbh SPHERICAL SIO (DOWN ARROW) 2 (DOWN ARROW) PARTICLES
DE68920778T2 (en) * 1988-05-24 1995-05-18 Anagen Uk Ltd Magnetically attractable particles and manufacturing processes.
DE4233396A1 (en) * 1992-10-05 1994-04-07 Merck Patent Gmbh Surface modified oxide particles and their application as fillers and modifiers in polymer materials
DE4309333A1 (en) * 1993-03-17 1994-09-22 Silica Gel Gmbh Superparamagnetic particles, process for their production and use thereof
DE4307262A1 (en) * 1993-03-02 1994-09-08 Christian Bergemann Magnetic polymeric silicon dioxide

Also Published As

Publication number Publication date
DE19638591A1 (en) 1998-04-02
WO1998012717A1 (en) 1998-03-26

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