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WO2008058996A3 - Verfahren zur herstellung von magnetischen kieselsäurepartikeln - Google Patents

Verfahren zur herstellung von magnetischen kieselsäurepartikeln Download PDF

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Publication number
WO2008058996A3
WO2008058996A3 PCT/EP2007/062338 EP2007062338W WO2008058996A3 WO 2008058996 A3 WO2008058996 A3 WO 2008058996A3 EP 2007062338 W EP2007062338 W EP 2007062338W WO 2008058996 A3 WO2008058996 A3 WO 2008058996A3
Authority
WO
WIPO (PCT)
Prior art keywords
silicic acid
magnetic
acid particles
reaction mixture
production
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.)
Ceased
Application number
PCT/EP2007/062338
Other languages
English (en)
French (fr)
Other versions
WO2008058996A2 (de
Inventor
Roland Fabis
Christoph Erbacher
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.)
Qiagen GmbH
Original Assignee
Qiagen 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 Qiagen GmbH filed Critical Qiagen GmbH
Publication of WO2008058996A2 publication Critical patent/WO2008058996A2/de
Publication of WO2008058996A3 publication Critical patent/WO2008058996A3/de
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/34—Compounds of chromium
    • C09C1/346—Chromium oxides
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/22—Compounds of iron
    • C09C1/24—Oxides of iron
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/28—Compounds of silicon
    • C09C1/30—Silicic acid
    • C09C1/3045—Treatment with inorganic compounds
    • C09C1/3054—Coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C09C3/063—Coating
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Silicon Compounds (AREA)

Abstract

Die vorliegende Erfindung beschreibt ein einfaches und kostengünstiges Verfahren zur Herstellung von magnetischen Kieselsäurepartikeln. Dabei umfasst das Verfahren die folgenden Schritte: a) Bereitstellen einer flüssigen Reaktionsmischung enthaltend: a.1) ein flüssiges, wässriges Reaktionsmedium, a.2) in der Mischung suspendierte magnetische Partikel, a.3) zumindest eine als Kieselsäurequelle dienende Verbindung, b) Zugabe eines pH-Wert-Modifikators, und c) anschließend Sprühtrocknen der in Schritt b) erhaltenen Reaktionsmischung, wobei der Reaktionsmischung während oder nach Schritt a) oder b), jedoch vor Schritt c) ein organischer Porenbildner zugegeben wird. Die Erfindung betrifft auch die nach diesem Verfahren erhältlichen magnetischen Kieselsäurepartikel und verschiedene Analyse- oder Aufreinigungsverfahren, die unter Verwendung der erfindungsgemäßen magnetischen Kieselsäurepartikel durchgeführt werden.
PCT/EP2007/062338 2006-11-16 2007-11-14 Verfahren zur herstellung von magnetischen kieselsäurepartikeln Ceased WO2008058996A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006054173.1 2006-11-16
DE200610054173 DE102006054173A1 (de) 2006-11-16 2006-11-16 Verfahren zur Herstellung von magnetischen Kieselsäurepartikeln

Publications (2)

Publication Number Publication Date
WO2008058996A2 WO2008058996A2 (de) 2008-05-22
WO2008058996A3 true WO2008058996A3 (de) 2009-03-26

Family

ID=39247028

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/062338 Ceased WO2008058996A2 (de) 2006-11-16 2007-11-14 Verfahren zur herstellung von magnetischen kieselsäurepartikeln

Country Status (2)

Country Link
DE (1) DE102006054173A1 (de)
WO (1) WO2008058996A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011005489A1 (de) 2011-03-14 2012-09-20 Evonik Degussa Gmbh Umhüllte Eisenoxidpartikel
WO2014090838A1 (en) * 2012-12-11 2014-06-19 Qiagen Gmbh Preparation of silica particles
DE102018221315B4 (de) * 2018-12-10 2025-01-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Weisses oder buntes Magnetpigment
CN111330555A (zh) * 2020-03-13 2020-06-26 天津迪沃特生物电子科技有限公司 一种具有磁性的核壳式介孔硅胶材料及其制备方法和应用
EP4015074A1 (de) * 2020-12-17 2022-06-22 Université de Liège Herstellung von magnetischen kern-schale-partikeln
WO2021198289A1 (en) * 2020-03-30 2021-10-07 Université de Liège Preparation of magnetic core-shell particles

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698302A (en) * 1983-05-12 1987-10-06 Advanced Magnetics, Inc. Enzymatic reactions using magnetic particles
DE19520964A1 (de) * 1995-06-08 1996-12-12 Inst Neue Mat Gemein Gmbh Beschichtete anorganische Pigmente, Verfahren zu deren Herstellung und deren Verwendung
WO2001071732A2 (de) * 2000-03-24 2001-09-27 Qiagen Gmbh Porous ferro- or ferrimagnetic glass particles for isolating molecules
WO2005052581A2 (de) * 2003-11-25 2005-06-09 Magnamedics Gmbh Sphärische, magnetische silicagel-träger mit vergrösserter oberfläche für die aufreinigung von nukleinsäuren

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698302A (en) * 1983-05-12 1987-10-06 Advanced Magnetics, Inc. Enzymatic reactions using magnetic particles
DE19520964A1 (de) * 1995-06-08 1996-12-12 Inst Neue Mat Gemein Gmbh Beschichtete anorganische Pigmente, Verfahren zu deren Herstellung und deren Verwendung
WO2001071732A2 (de) * 2000-03-24 2001-09-27 Qiagen Gmbh Porous ferro- or ferrimagnetic glass particles for isolating molecules
WO2005052581A2 (de) * 2003-11-25 2005-06-09 Magnamedics Gmbh Sphärische, magnetische silicagel-träger mit vergrösserter oberfläche für die aufreinigung von nukleinsäuren

Also Published As

Publication number Publication date
DE102006054173A1 (de) 2008-05-21
WO2008058996A2 (de) 2008-05-22

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