SE8704157L - SUPERPARAMAGNETIC PARTICLES AND PROCEDURES FOR PREPARING THEREOF AND APPLICATION - Google Patents

SUPERPARAMAGNETIC PARTICLES AND PROCEDURES FOR PREPARING THEREOF AND APPLICATION

Info

Publication number
SE8704157L
SE8704157L SE8704157A SE8704157A SE8704157L SE 8704157 L SE8704157 L SE 8704157L SE 8704157 A SE8704157 A SE 8704157A SE 8704157 A SE8704157 A SE 8704157A SE 8704157 L SE8704157 L SE 8704157L
Authority
SE
Sweden
Prior art keywords
procedures
preparing
application
particles
superparamagnetic particles
Prior art date
Application number
SE8704157A
Other languages
Swedish (sv)
Other versions
SE8704157D0 (en
Inventor
U Schroeder
G Nyberg
Original Assignee
Carbomatrix Ab C O Ulf Schroed
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 Carbomatrix Ab C O Ulf Schroed filed Critical Carbomatrix Ab C O Ulf Schroed
Priority to SE8704157A priority Critical patent/SE8704157L/en
Publication of SE8704157D0 publication Critical patent/SE8704157D0/en
Priority to AU26121/88A priority patent/AU2612188A/en
Priority to PCT/SE1988/000561 priority patent/WO1989003675A1/en
Publication of SE8704157L publication Critical patent/SE8704157L/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28016—Particle form
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/06—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations
    • A61K49/18—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes
    • A61K49/1818—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles
    • A61K49/1821—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles
    • A61K49/1824—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles
    • A61K49/1827—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle
    • A61K49/1851—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle having a (super)(para)magnetic core coated or functionalised with an organic macromolecular compound, i.e. oligomeric, polymeric, dendrimeric organic molecule
    • A61K49/1863—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle having a (super)(para)magnetic core coated or functionalised with an organic macromolecular compound, i.e. oligomeric, polymeric, dendrimeric organic molecule the organic macromolecular compound being a polysaccharide or derivative thereof, e.g. chitosan, chitin, cellulose, pectin, starch
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5094—Microcapsules containing magnetic carrier material, e.g. ferrite for drug targeting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28009—Magnetic properties
    • 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
    • G01N2400/10—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
    • G01N2400/12—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar
    • G01N2400/14—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar alpha-D-Glucans, i.e. having alpha 1,n (n=3,4,6) linkages between saccharide units, e.g. pullulan
    • G01N2400/16—Starch, amylose, amylopectin
    • 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
    • G01N2446/30—Magnetic particle immunoreagent carriers the magnetic material being dispersed in the polymer composition before their conversion into particulate form

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Immunology (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Radiology & Medical Imaging (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

Abstract

The present invention relates to superparamagnetic particles, a way of producing said particles and their use. More specifically, the invention describes a process for fabrication of said particles, said process yielding particles with a high recovery in a simple one step procedure.
SE8704157A 1987-10-26 1987-10-26 SUPERPARAMAGNETIC PARTICLES AND PROCEDURES FOR PREPARING THEREOF AND APPLICATION SE8704157L (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8704157A SE8704157L (en) 1987-10-26 1987-10-26 SUPERPARAMAGNETIC PARTICLES AND PROCEDURES FOR PREPARING THEREOF AND APPLICATION
AU26121/88A AU2612188A (en) 1987-10-26 1988-10-24 Superparamagnetic particles, a way of producing said particles and their use
PCT/SE1988/000561 WO1989003675A1 (en) 1987-10-26 1988-10-24 Superparamagnetic particles, a way of producing said particles and their use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8704157A SE8704157L (en) 1987-10-26 1987-10-26 SUPERPARAMAGNETIC PARTICLES AND PROCEDURES FOR PREPARING THEREOF AND APPLICATION

Publications (2)

Publication Number Publication Date
SE8704157D0 SE8704157D0 (en) 1987-10-26
SE8704157L true SE8704157L (en) 1989-04-27

Family

ID=20370006

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8704157A SE8704157L (en) 1987-10-26 1987-10-26 SUPERPARAMAGNETIC PARTICLES AND PROCEDURES FOR PREPARING THEREOF AND APPLICATION

Country Status (3)

Country Link
AU (1) AU2612188A (en)
SE (1) SE8704157L (en)
WO (1) WO1989003675A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5102652A (en) * 1986-07-03 1992-04-07 Advanced Magnetics Inc. Low molecular weight carbohydrates as additives to stabilize metal oxide compositions
GB8916780D0 (en) 1989-07-21 1989-09-06 Nycomed As Compositions
ES2131067T5 (en) * 1991-01-19 2004-10-16 Meito Sangyo Kabushiki Kaisha COMPOSITION CONTAINING ULTRAFIN PARTICLES OF MAGNETIC METAL OXIDE.
GB9119762D0 (en) 1991-09-16 1991-10-30 Filler Aaron G Particulate agents for nmt
WO1995031220A1 (en) * 1994-05-12 1995-11-23 Otsuka Pharmaceutical Co., Ltd. Contrast medium for magnetic resonance imaging
GB9600427D0 (en) * 1996-01-10 1996-03-13 Nycomed Imaging As Contrast media
NZ325403A (en) 1996-01-10 2000-02-28 Nycomed Imaging As Contrast media comprising superparamagnetic particles in an organic coating
JP3662347B2 (en) * 1996-06-10 2005-06-22 日鉄鉱業株式会社 Medical powder
US6849400B1 (en) 1997-07-23 2005-02-01 Gen-Probe Incorporated Methods for detecting and measuring spliced nucleic acids
GB0025414D0 (en) 2000-10-16 2000-11-29 Consejo Superior Investigacion Nanoparticles
RU2255800C1 (en) * 2003-10-14 2005-07-10 Германов Евгений Павлович Magnet-governed sorbent and a method for manufacture thereof
EP1830902A2 (en) * 2004-12-30 2007-09-12 Cinvention Ag Combination comprising an agent providing a signal, an implant material and a drug
EP2277181B1 (en) * 2008-04-16 2017-08-30 StemCell Technologies Inc. Magnetic particles

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827945A (en) * 1986-07-03 1989-05-09 Advanced Magnetics, Incorporated Biologically degradable superparamagnetic materials for use in clinical applications

Also Published As

Publication number Publication date
SE8704157D0 (en) 1987-10-26
AU2612188A (en) 1989-05-23
WO1989003675A1 (en) 1989-05-05

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