NO305012B1 - Dispersjoner av magneto-ioniske partikler og anvendelse derav - Google Patents
Dispersjoner av magneto-ioniske partikler og anvendelse deravInfo
- Publication number
- NO305012B1 NO305012B1 NO931968A NO931968A NO305012B1 NO 305012 B1 NO305012 B1 NO 305012B1 NO 931968 A NO931968 A NO 931968A NO 931968 A NO931968 A NO 931968A NO 305012 B1 NO305012 B1 NO 305012B1
- Authority
- NO
- Norway
- Prior art keywords
- dispersions
- magneto
- ionic particles
- ionic
- particles
- Prior art date
Links
- 239000002245 particle Substances 0.000 title abstract 3
- 239000006185 dispersion Substances 0.000 title abstract 2
- 239000002872 contrast media Substances 0.000 abstract 1
- 229920000867 polyelectrolyte Polymers 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/5601—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
-
- 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
- A61K49/1806—Suspensions, emulsions, colloids, dispersions
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Veterinary Medicine (AREA)
- Signal Processing (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92109168A EP0580878B1 (en) | 1992-06-01 | 1992-06-01 | The use of dispersions of magneto-ionic particles as MRI contrast media |
Publications (3)
Publication Number | Publication Date |
---|---|
NO931968D0 NO931968D0 (no) | 1993-05-28 |
NO931968L NO931968L (no) | 1993-12-02 |
NO305012B1 true NO305012B1 (no) | 1999-03-22 |
Family
ID=8209666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO931968A NO305012B1 (no) | 1992-06-01 | 1993-05-28 | Dispersjoner av magneto-ioniske partikler og anvendelse derav |
Country Status (7)
Country | Link |
---|---|
US (1) | US6251366B1 (no) |
EP (1) | EP0580878B1 (no) |
JP (1) | JPH0647024A (no) |
AT (1) | ATE132758T1 (no) |
DE (1) | DE69207589T2 (no) |
DK (1) | DK0580878T3 (no) |
NO (1) | NO305012B1 (no) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1071580C (zh) * | 1994-09-27 | 2001-09-26 | 尼科梅德成像有限公司 | 造影剂 |
ATE187079T1 (de) | 1994-09-27 | 1999-12-15 | Nycomed Imaging As | Kontrastmittel |
GB9600427D0 (en) * | 1996-01-10 | 1996-03-13 | Nycomed Imaging As | Contrast media |
US6423296B1 (en) | 1996-01-10 | 2002-07-23 | Amersham Health As | Constrast media |
DE19612001A1 (de) | 1996-03-18 | 1997-09-25 | Silica Gel Gmbh Adsorptions Te | Superparamagnetische Teilchen mit vergrößerter R¶1¶-Relaxivität, Verfahren zur Herstellung und deren Verwendung |
US5855868A (en) * | 1996-04-01 | 1999-01-05 | Nycomed Imaging As | Method of T1 -weighted resonance imaging of RES organs |
US6355224B1 (en) * | 1998-09-17 | 2002-03-12 | Massachusetts Institute Of Technology | Conductive polymer contrast agent compositions and uses therefor |
DE10137515A1 (de) * | 2001-07-26 | 2003-02-13 | Diagnostikforschung Inst | Verfahren zur Herstellung pharmazeutischer Zubereitungen |
WO2003087234A1 (en) * | 2002-04-12 | 2003-10-23 | Biolocus Aps | Antifouling composition comprising an enzyme in the absence of its substrate |
US20070031339A1 (en) * | 2003-11-28 | 2007-02-08 | Oskar Axelsson | Contrast agents |
US7165839B2 (en) * | 2003-12-19 | 2007-01-23 | Novartis Ag | Method for producing tinted contact lenses |
CN102515283A (zh) * | 2011-12-08 | 2012-06-27 | 桂林理工大学 | 一种能稳定分散于水中的磁性氧化铁纳米粒子的制备方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0330801A1 (en) * | 1983-02-08 | 1989-09-06 | Schering Aktiengesellschaft | Ferromagnetic, diamagnetic or paramagnetic particles useful in the diagnosis and treatment of disease |
FR2550449B1 (fr) * | 1983-08-12 | 1986-01-31 | Commissariat Energie Atomique | Agents de relaxation specifiques d'organes ou de pathologies, utilisables pour modifier les contrastes en imagerie medicale par resonance magnetique nucleaire |
GB8408127D0 (en) * | 1984-03-29 | 1984-05-10 | Nyegaard & Co As | Contrast agents |
EP0184899B1 (en) * | 1984-11-01 | 1990-04-18 | Nycomed As | Paramagnetic contrast agents for use in "in vivo" diagnostic methods using nmr, and their preparation |
US4675173A (en) * | 1985-05-08 | 1987-06-23 | Molecular Biosystems, Inc. | Method of magnetic resonance imaging of the liver and spleen |
DE3619746A1 (de) * | 1986-06-12 | 1987-12-17 | Basf Ag | Superparamagnetische feststoffteilchen |
US4888248A (en) * | 1986-07-01 | 1989-12-19 | Hidefumi Hirai | Colloidal metal dispersion, and a colloidal metal complex |
US4827945A (en) * | 1986-07-03 | 1989-05-09 | Advanced Magnetics, Incorporated | Biologically degradable superparamagnetic materials for use in clinical applications |
US5055288A (en) | 1987-06-26 | 1991-10-08 | Advanced Magnetics, Inc. | Vascular magnetic imaging method and agent comprising biodegradeable superparamagnetic metal oxides |
DE3709851A1 (de) * | 1987-03-24 | 1988-10-06 | Silica Gel Gmbh Adsorptions Te | Nmr-diagnostische fluessigkeitszusammensetzungen |
GB8813144D0 (en) * | 1988-06-03 | 1988-07-06 | Nycomed As | Compositions |
US5023072A (en) * | 1988-08-10 | 1991-06-11 | University Of New Mexico | Paramagnetic/superparamagnetic/ferromagnetic sucrose sulfate compositions for magnetic resonance imaging of the gastrointestinal tract |
ATE131042T1 (de) * | 1990-04-25 | 1995-12-15 | Hoechst Ag | Pharmakologische zubereitung, enthaltend polyelektrolytkomplexe in mikropartikulärer form und mindestens einen wirkstoff. |
US5143716A (en) * | 1991-02-01 | 1992-09-01 | Unger Evan C | Phosphorylated sugar alcohols, Mono- and Di-Saccharides as contrast agents for use in magnetic resonance imaging of the gastrointestinal region |
US5370901A (en) * | 1991-02-15 | 1994-12-06 | Bracco International B.V. | Compositions for increasing the image contrast in diagnostic investigations of the digestive tract of patients |
DE4117782C2 (de) * | 1991-05-28 | 1997-07-17 | Diagnostikforschung Inst | Nanokristalline magnetische Eisenoxid-Partikel, Verfahren zu ihrer Herstellung sowie diagnostische und/oder therapeutische Mittel |
-
1992
- 1992-06-01 DK DK92109168.2T patent/DK0580878T3/da active
- 1992-06-01 DE DE69207589T patent/DE69207589T2/de not_active Expired - Fee Related
- 1992-06-01 EP EP92109168A patent/EP0580878B1/en not_active Expired - Lifetime
- 1992-06-01 AT AT92109168T patent/ATE132758T1/de not_active IP Right Cessation
-
1993
- 1993-05-26 JP JP5123637A patent/JPH0647024A/ja active Pending
- 1993-05-28 NO NO931968A patent/NO305012B1/no not_active IP Right Cessation
-
1995
- 1995-02-28 US US08/396,340 patent/US6251366B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE132758T1 (de) | 1996-01-15 |
DE69207589D1 (de) | 1996-02-22 |
DK0580878T3 (da) | 1996-02-12 |
EP0580878A1 (en) | 1994-02-02 |
JPH0647024A (ja) | 1994-02-22 |
DE69207589T2 (de) | 1996-05-23 |
NO931968D0 (no) | 1993-05-28 |
NO931968L (no) | 1993-12-02 |
EP0580878B1 (en) | 1996-01-10 |
US6251366B1 (en) | 2001-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN NOVEMBER 2003 |