SE8704157L - SUPERPARAMAGNETIC PARTICLES AND PROCEDURES FOR PREPARING THEREOF AND APPLICATION - Google Patents
SUPERPARAMAGNETIC PARTICLES AND PROCEDURES FOR PREPARING THEREOF AND APPLICATIONInfo
- 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
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.
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)
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)
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 |
-
1987
- 1987-10-26 SE SE8704157A patent/SE8704157L/en not_active Application Discontinuation
-
1988
- 1988-10-24 WO PCT/SE1988/000561 patent/WO1989003675A1/en unknown
- 1988-10-24 AU AU26121/88A patent/AU2612188A/en not_active Abandoned
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8704157-0 Effective date: 19900501 |