AU2001279770A1 - Spherical, magnetic sio2 particles with an adjustable particle and pore size and an adjustable magnetic content, method for producing them and use of sio2 particles of this type - Google Patents

Spherical, magnetic sio2 particles with an adjustable particle and pore size and an adjustable magnetic content, method for producing them and use of sio2 particles of this type

Info

Publication number
AU2001279770A1
AU2001279770A1 AU2001279770A AU7977001A AU2001279770A1 AU 2001279770 A1 AU2001279770 A1 AU 2001279770A1 AU 2001279770 A AU2001279770 A AU 2001279770A AU 7977001 A AU7977001 A AU 7977001A AU 2001279770 A1 AU2001279770 A1 AU 2001279770A1
Authority
AU
Australia
Prior art keywords
adjustable
sio2 particles
magnetic
spherical
producing
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
AU2001279770A
Inventor
Rainer Fischer
Detlef Muller-Schulte Dr.
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of AU2001279770A1 publication Critical patent/AU2001279770A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • 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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09—Recombinant DNA-technology
    • C12N15/10—Processes for the isolation, preparation or purification of DNA or RNA
    • C12N15/1003—Extracting or separating nucleic acids from biological samples, e.g. pure separation or isolation methods; Conditions, buffers or apparatuses therefor
    • C12N15/1006—Extracting or separating nucleic acids from biological samples, e.g. pure separation or isolation methods; Conditions, buffers or apparatuses therefor by means of a solid support carrier, e.g. particles, polymers
    • C12N15/1013—Extracting or separating nucleic acids from biological samples, e.g. pure separation or isolation methods; Conditions, buffers or apparatuses therefor by means of a solid support carrier, e.g. particles, polymers by using magnetic beads
    • 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
    • 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
    • H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
    • H01F1/0045—Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use
    • H01F1/0054—Coated nanoparticles, e.g. nanoparticles coated with organic surfactant
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2400/00—Assays, e.g. immunoassays or enzyme assays, involving carbohydrates

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Immunology (AREA)
  • Molecular Biology (AREA)
  • Nanotechnology (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Microbiology (AREA)
  • Wood Science & Technology (AREA)
  • Hematology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Urology & Nephrology (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Zoology (AREA)
  • General Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Plant Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Cell Biology (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
AU2001279770A 2000-07-21 2001-07-20 Spherical, magnetic sio2 particles with an adjustable particle and pore size and an adjustable magnetic content, method for producing them and use of sio2 particles of this type Abandoned AU2001279770A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2000135953 DE10035953A1 (en) 2000-07-21 2000-07-21 Spherical, magnetic silica particles with adjustable particle and pore size and adjustable magnetic content for the purification of nucleic acids and other biomolecules
DE10035953 2000-07-21
PCT/EP2001/008392 WO2002009125A1 (en) 2000-07-21 2001-07-20 Spherical, magnetic sio2 particles with an adjustable particle and pore size and an adjustable magnetic content, method for producing them and use of sio2 particles of this type

Publications (1)

Publication Number Publication Date
AU2001279770A1 true AU2001279770A1 (en) 2002-02-05

Family

ID=7649996

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001279770A Abandoned AU2001279770A1 (en) 2000-07-21 2001-07-20 Spherical, magnetic sio2 particles with an adjustable particle and pore size and an adjustable magnetic content, method for producing them and use of sio2 particles of this type

Country Status (3)

Country Link
AU (1) AU2001279770A1 (en)
DE (1) DE10035953A1 (en)
WO (1) WO2002009125A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7754646B2 (en) * 2001-06-29 2010-07-13 Nanomics Biosystems Pty Ltd Synthesis and use of organosilica particles
EP1510577A1 (en) * 2003-08-29 2005-03-02 Qiagen GmbH Method for magnetic bead isolation of nucleic acids
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
JP2009500019A (en) * 2005-07-01 2009-01-08 プロメガ・コーポレーション Suspended particle network for the purification of biomolecules, and the use of buoyant particles or buoyant particle networks for the purification of biomolecules
HUE043241T2 (en) 2007-06-05 2019-08-28 Bank Of Canada Ink or toner compositions, methods of use, and products derived therefrom
WO2010149150A2 (en) 2009-06-22 2010-12-29 Deklatec Gmbh Colorless, magnetic polymer particles for highly sensitive detection of biological substances and pathogens within the context of bioanalytics and diagnostics
DE102010014840B4 (en) 2010-04-13 2015-12-10 Magnamedics Gmbh DNase-coated magnetic particles
DE102011005489A1 (en) 2011-03-14 2012-09-20 Evonik Degussa Gmbh Enveloped iron oxide particles
DE102011001743A1 (en) * 2011-04-01 2012-10-04 Technische Universität Dortmund Process for separation / purification of biomolecules
DE102012201774A1 (en) 2012-02-07 2013-08-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Magnetically separable microparticles with a silicate shell, process for their preparation and their use
DE102012012523B4 (en) * 2012-06-26 2015-02-12 Magnamedics Gmbh Purification of nucleic acids
JP5998218B2 (en) * 2012-07-06 2016-09-28 株式会社日立ハイテクノロジーズ Magnetic body cover and nucleic acid extraction apparatus
WO2015003060A1 (en) * 2013-07-02 2015-01-08 Ibis Biosciences, Inc. Method for the purification of targeted nucleic acids from background nucleic acids
CN107456960A (en) * 2016-06-06 2017-12-12 青岛大学 A kind of Fe3O4@SiO2@CS magnetic adsorptive materials and preparation method thereof
CN114570302A (en) * 2022-03-24 2022-06-03 苏州华度生物科技有限公司 Protein-based magnetic agarose porous microspheres and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19520398B4 (en) * 1995-06-08 2009-04-16 Roche Diagnostics Gmbh Magnetic pigment
PT1144620E (en) * 1998-11-30 2004-01-30 Roche Diagnostics Gmbh MAGNETIC PERICULTS FOR THE PURIFICATION OF NUCLEIC ACIDS

Also Published As

Publication number Publication date
DE10035953A1 (en) 2002-01-31
WO2002009125A1 (en) 2002-01-31

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