AU2612188A - Superparamagnetic particles, a way of producing said particles and their use - Google Patents

Superparamagnetic particles, a way of producing said particles and their use

Info

Publication number
AU2612188A
AU2612188A AU26121/88A AU2612188A AU2612188A AU 2612188 A AU2612188 A AU 2612188A AU 26121/88 A AU26121/88 A AU 26121/88A AU 2612188 A AU2612188 A AU 2612188A AU 2612188 A AU2612188 A AU 2612188A
Authority
AU
Australia
Prior art keywords
particles
producing
way
superparamagnetic
superparamagnetic particles
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
AU26121/88A
Inventor
Gunilla Nyberg
Ulf Schroder
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.)
CARBOMATRIX AB
Original Assignee
CARBOMATRIX A B
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 A B filed Critical CARBOMATRIX A B
Publication of AU2612188A publication Critical patent/AU2612188A/en
Abandoned legal-status Critical Current

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)
AU26121/88A 1987-10-26 1988-10-24 Superparamagnetic particles, a way of producing said particles and their use Abandoned AU2612188A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8704157 1987-10-26
SE8704157A SE8704157L (en) 1987-10-26 1987-10-26 SUPERPARAMAGNETIC PARTICLES AND PROCEDURES FOR PREPARING THEREOF AND APPLICATION

Publications (1)

Publication Number Publication Date
AU2612188A true AU2612188A (en) 1989-05-23

Family

ID=20370006

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26121/88A Abandoned AU2612188A (en) 1987-10-26 1988-10-24 Superparamagnetic particles, a way of producing said particles and their use

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
AU652804B2 (en) * 1991-01-19 1994-09-08 Meito Sangyo Kabushiki Kaisha Composition containing ultrafine particles of magnetic metal oxide
GB9119762D0 (en) * 1991-09-16 1991-10-30 Filler Aaron G Particulate agents for nmt
AU2419695A (en) * 1994-05-12 1995-12-05 Otsuka Pharmaceutical Co., Ltd. Contrast medium for magnetic resonance imaging
GB9600427D0 (en) * 1996-01-10 1996-03-13 Nycomed Imaging As Contrast media
ATE291439T1 (en) 1996-01-10 2005-04-15 Amersham Health As CONTRAST AGENTS
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
CA2590386A1 (en) * 2004-12-30 2006-07-06 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
SE8704157L (en) 1989-04-27
SE8704157D0 (en) 1987-10-26
WO1989003675A1 (en) 1989-05-05

Similar Documents

Publication Publication Date Title
AU2575488A (en) Polymeric particles and their preparation
AU580643B2 (en) Retroreflective particles and methods for their production and use
AU7544887A (en) Biocompatible particles and cloth-like article made therefrom
AU606683B2 (en) Foam-fiber composite and process
EP0423352A4 (en) Method of production and duplication of filter, and method of production of photosensitive member provided with the filter
AU1069688A (en) Non natural demethylavermectins and process therefor
AU3672189A (en) Fishhook and producing method of the same
AU3087089A (en) Leukocyte separator and method of making the same
NZ224404A (en) Making spheroidal particles
AU2999389A (en) Process for the production of nitriles and oxides
AU2612188A (en) Superparamagnetic particles, a way of producing said particles and their use
GB8922975D0 (en) Electromagnetic coupling disc and method of making the same
AU1906388A (en) Polysiloxane based magnetisable microspheres, and process for their preparation
AU2889489A (en) Process for the production of nitriles and oxides
JPS6418910A (en) Silica particle, manufacture and use
AU3488089A (en) Process for the preparation of catalyst particles and catalyst particles thus prepared
AU2156588A (en) Tetrahydroindazolyl-benzoxazines, their production and use
AU629694B2 (en) Natural delta-lactones and process of the production thereof
AU2156388A (en) Benzoxazinyl-triazole oxides, their production and use
AU4062189A (en) Process for forming and using microdroplets
AU4817490A (en) 2',3'-dideoxyribofuranosides and process for producing them
AU2681888A (en) 8,9-annelated-beta-carbolines and 8,9-annelated-3,4-dihydro- beta-carbolines
AU633981B2 (en) Antigen-sensitized bead and use thereof
AU2759988A (en) Beta-hydroxyketone and its production
AU4496089A (en) Aryloxyaldehydes and their manufacture