ATE228017T1 - T1-zeitgewichteten kernspintomogram der res- orgäne - Google Patents

T1-zeitgewichteten kernspintomogram der res- orgäne

Info

Publication number
ATE228017T1
ATE228017T1 AT97914482T AT97914482T ATE228017T1 AT E228017 T1 ATE228017 T1 AT E228017T1 AT 97914482 T AT97914482 T AT 97914482T AT 97914482 T AT97914482 T AT 97914482T AT E228017 T1 ATE228017 T1 AT E228017T1
Authority
AT
Austria
Prior art keywords
time
contrast
magnetic particles
nuclear spin
weighted image
Prior art date
Application number
AT97914482T
Other languages
English (en)
Inventor
Anne Kjersti Fahlvik
Original Assignee
Amersham Health As
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 Amersham Health As filed Critical Amersham Health As
Application granted granted Critical
Publication of ATE228017T1 publication Critical patent/ATE228017T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • 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
    • A61K49/1857—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 obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. PLGA
    • A61K49/186—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 obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. PLGA the organic macromolecular compound being polyethyleneglycol [PEG]
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Immunology (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Medicines Containing Plant Substances (AREA)
AT97914482T 1996-04-01 1997-03-27 T1-zeitgewichteten kernspintomogram der res- orgäne ATE228017T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/625,223 US5855868A (en) 1996-04-01 1996-04-01 Method of T1 -weighted resonance imaging of RES organs
PCT/GB1997/000886 WO1997036617A2 (en) 1996-04-01 1997-03-27 Method of t1-weighted magnetic resonance imaging of res organs

Publications (1)

Publication Number Publication Date
ATE228017T1 true ATE228017T1 (de) 2002-12-15

Family

ID=24505090

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97914482T ATE228017T1 (de) 1996-04-01 1997-03-27 T1-zeitgewichteten kernspintomogram der res- orgäne

Country Status (14)

Country Link
US (1) US5855868A (de)
EP (1) EP0896546B1 (de)
JP (1) JP4361970B2 (de)
KR (1) KR20000005194A (de)
CN (1) CN1219135A (de)
AT (1) ATE228017T1 (de)
AU (1) AU704926B2 (de)
CA (1) CA2250818A1 (de)
DE (1) DE69717269T2 (de)
EA (1) EA000796B1 (de)
ES (1) ES2188924T3 (de)
IL (1) IL126412A0 (de)
NO (1) NO984555L (de)
WO (1) WO1997036617A2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT81498B (pt) * 1984-11-23 1987-12-30 Schering Ag Processo para a preparacao de composicoes para diagnostico contendo particulas magneticas
JP2000516131A (ja) 1996-08-05 2000-12-05 シエーリング アクチエンゲゼルシヤフト 薬剤組成物、その出発材料又は中間生成物から磁気材料を分離するための方法及び装置及びこの装置を用いて製造された薬剤
US7082326B2 (en) * 2000-03-31 2006-07-25 Amersham Health As Method of magnetic resonance imaging
WO2001074245A1 (en) * 2000-03-31 2001-10-11 Amersham Health As Method of magnetic resonance imaging
KR20020075513A (ko) * 2001-03-24 2002-10-05 조용덕 전기분해법을 이용한 폐수의 처리방법
DE102004022061A1 (de) 2004-05-05 2005-12-08 Siemens Ag Verfahren zur verbesserten interventionallen Bildgebung in der Magnet-Resonanz-Tomographie
US20100259259A1 (en) * 2005-09-21 2010-10-14 Markus Zahn Systems and methods for tuning properties of nanoparticles
KR20090038337A (ko) * 2007-10-15 2009-04-20 재단법인서울대학교산학협력재단 무기계 나노입자를 수계 매질에 분산시키는 생체적합성분산 안정화제
US10814019B2 (en) * 2014-06-30 2020-10-27 University Of Washington MRI signal suppression agents, compositions, and methods
US10466326B2 (en) * 2015-05-15 2019-11-05 Stc. Unm Quantitative [Fe]-MRI (femri) of anti-PSMA-conjugated SPIONs based on PSMA expression levels
EP4031893B1 (de) * 2019-09-18 2024-12-25 Bayer Aktiengesellschaft Erzeugung von mrt-aufnahmen der leber

Family Cites Families (21)

* Cited by examiner, † Cited by third party
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US3935187A (en) * 1973-10-19 1976-01-27 Standard Brands Incorporated Process for depolymerizing amylaceous polymers
US4501726A (en) * 1981-11-12 1985-02-26 Schroeder Ulf Intravascularly administrable, magnetically responsive nanosphere or nanoparticle, a process for the production thereof, and the use thereof
US4452773A (en) * 1982-04-05 1984-06-05 Canadian Patents And Development Limited Magnetic iron-dextran microspheres
GB8408127D0 (en) * 1984-03-29 1984-05-10 Nyegaard & Co As Contrast agents
US4767611A (en) * 1984-07-03 1988-08-30 Gordon Robert T Method for affecting intracellular and extracellular electric and magnetic dipoles
US4849210A (en) * 1985-05-08 1989-07-18 Molecular Biosystems, Inc. Magnetic resonance imaging of liver and spleen with superparamagnetic contrast agents
GB8601100D0 (en) * 1986-01-17 1986-02-19 Cosmas Damian Ltd Drug delivery system
US5314679A (en) * 1986-07-03 1994-05-24 Advanced Magnetics Inc. Vascular magnetic resonance imaging agent comprising nanoparticles
US5069216A (en) * 1986-07-03 1991-12-03 Advanced Magnetics Inc. Silanized biodegradable super paramagnetic metal oxides as contrast agents for imaging the gastrointestinal tract
US4827945A (en) * 1986-07-03 1989-05-09 Advanced Magnetics, Incorporated Biologically degradable superparamagnetic materials for use in clinical applications
US4925678A (en) * 1987-04-01 1990-05-15 Ranney David F Endothelial envelopment drug carriers
DE3709851A1 (de) * 1987-03-24 1988-10-06 Silica Gel Gmbh Adsorptions Te Nmr-diagnostische fluessigkeitszusammensetzungen
US5358702A (en) * 1990-04-10 1994-10-25 Unger Evan C Methoxylated gel particle contrast media for improved diagnostic imaging
DE10199065I2 (de) * 1991-01-19 2004-09-23 Meito Sangyo Kk Ultrafeine magnetische metalloxidteilchen enthalten de zusammensetzung
US5225282A (en) * 1991-12-13 1993-07-06 Molecular Bioquest, Inc. Biodegradable magnetic microcluster comprising non-magnetic metal or metal oxide particles coated with a functionalized polymer
DK0580878T3 (da) * 1992-06-01 1996-02-12 Basf Ag Anvendelse af dispersioner af magneto-ioniske partikler som MRI-kontrastmedier
US5349957A (en) * 1992-12-02 1994-09-27 Sterling Winthrop Inc. Preparation and magnetic properties of very small magnetite-dextran particles
EP0689430B1 (de) * 1993-03-17 1997-08-13 Silica Gel Ges.M.B.H Superparamagnetische teilchen, verfahren zu ihrer herstellung und verwendung derselben
DE4428851C2 (de) * 1994-08-04 2000-05-04 Diagnostikforschung Inst Eisen enthaltende Nanopartikel, ihre Herstellung und Anwendung in der Diagnostik und Therapie
DE69421943T2 (de) * 1994-09-27 2000-05-18 Nycomed Imaging As, Oslo Kontrastmittel
PL327679A1 (en) * 1996-01-10 1998-12-21 Nycomed Imaging As Contast medium

Also Published As

Publication number Publication date
NO984555D0 (no) 1998-09-29
DE69717269D1 (de) 2003-01-02
JP2000507567A (ja) 2000-06-20
CN1219135A (zh) 1999-06-09
AU2172197A (en) 1997-10-22
CA2250818A1 (en) 1997-10-09
AU704926B2 (en) 1999-05-06
US5855868A (en) 1999-01-05
EP0896546A2 (de) 1999-02-17
DE69717269T2 (de) 2003-08-28
EP0896546B1 (de) 2002-11-20
WO1997036617A3 (en) 1998-02-26
ES2188924T3 (es) 2003-07-01
JP4361970B2 (ja) 2009-11-11
NO984555L (no) 1998-09-29
EA199800881A1 (ru) 1999-04-29
EA000796B1 (ru) 2000-04-24
KR20000005194A (ko) 2000-01-25
WO1997036617A2 (en) 1997-10-09
IL126412A0 (en) 1999-05-09

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