DE102005053618A1 - Nanoskalige Partikel als Kontrastmittel für die Kernspintomographie - Google Patents
Nanoskalige Partikel als Kontrastmittel für die Kernspintomographie Download PDFInfo
- Publication number
- DE102005053618A1 DE102005053618A1 DE102005053618A DE102005053618A DE102005053618A1 DE 102005053618 A1 DE102005053618 A1 DE 102005053618A1 DE 102005053618 A DE102005053618 A DE 102005053618A DE 102005053618 A DE102005053618 A DE 102005053618A DE 102005053618 A1 DE102005053618 A1 DE 102005053618A1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic resonance
- resonance imaging
- nanoscale particles
- contrast agent
- bound
- 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.)
- Withdrawn
Links
- 239000002105 nanoparticle Substances 0.000 title abstract 3
- 239000002872 contrast media Substances 0.000 title abstract 2
- 238000002595 magnetic resonance imaging Methods 0.000 title abstract 2
- 239000008139 complexing agent Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 229910021645 metal ion Inorganic materials 0.000 abstract 1
Classifications
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- 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
- A61K9/51—Nanocapsules; Nanoparticles
-
- 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
- A61K49/1878—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 the nanoparticle having a magnetically inert core and a (super)(para)magnetic coating
- A61K49/1881—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 the nanoparticle having a magnetically inert core and a (super)(para)magnetic coating wherein the coating consists of chelates, i.e. chelating group complexing a (super)(para)magnetic ion, bound to the surface
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Biotechnology (AREA)
- General Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Medicinal Preparation (AREA)
Abstract
Gegenstand der Erfindung sind nanoskalige Partikel als Kontrastmittel für die Kernspintomographie, bestehend aus einem Kern mit einer inerten Matrix, einem kovalent gebundenen organischen Komplexbildner, in welchem ein Metallion mit ungepaarten Elektronen gebunden ist, und ggf. einem oder mehreren, an der Oberfläche der Kerne kovalent gebundenen Biomolekülen, sowie ein Verfahren zur Herstellung dieser Nanopartikel.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005053618A DE102005053618A1 (de) | 2005-11-10 | 2005-11-10 | Nanoskalige Partikel als Kontrastmittel für die Kernspintomographie |
PCT/EP2006/009982 WO2007054182A2 (de) | 2005-11-10 | 2006-10-17 | Nanopartikel als kontrastmittel für die kernspintomographie |
US12/093,187 US20080286370A1 (en) | 2005-11-10 | 2006-10-17 | Nanoscale Particles Used as Contrasting Agents in Magnetic Resonance Imaging |
CNA2006800413116A CN101340900A (zh) | 2005-11-10 | 2006-10-17 | 在磁共振成像中用作造影剂的纳米粒子 |
KR1020087013785A KR20080066999A (ko) | 2005-11-10 | 2006-10-17 | 자기 공명 영상 장치 조영제로서 사용되는 나노 입자 |
EP06806318A EP1945192A2 (de) | 2005-11-10 | 2006-10-17 | Nanoskalige partikel als kontrastmittel für die kernspintomographie |
JP2008539280A JP2009514905A (ja) | 2005-11-10 | 2006-10-17 | 磁気共鳴映像法用の造影剤としてのナノスケール粒子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005053618A DE102005053618A1 (de) | 2005-11-10 | 2005-11-10 | Nanoskalige Partikel als Kontrastmittel für die Kernspintomographie |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005053618A1 true DE102005053618A1 (de) | 2007-05-16 |
Family
ID=37944817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102005053618A Withdrawn DE102005053618A1 (de) | 2005-11-10 | 2005-11-10 | Nanoskalige Partikel als Kontrastmittel für die Kernspintomographie |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080286370A1 (de) |
EP (1) | EP1945192A2 (de) |
JP (1) | JP2009514905A (de) |
KR (1) | KR20080066999A (de) |
CN (1) | CN101340900A (de) |
DE (1) | DE102005053618A1 (de) |
WO (1) | WO2007054182A2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009045579A2 (en) * | 2007-06-14 | 2009-04-09 | The Regents Of The University Of California | Multimodal imaging probes for in vivo targeted and non-targeted imaging and therapeutics |
US8147802B2 (en) * | 2007-09-28 | 2012-04-03 | General Electric Company | Chelator-functionalized nanoparticles |
US20090297615A1 (en) * | 2008-05-27 | 2009-12-03 | The Chinese University Of Hong Kong | Nanoparticles, methods of making same and cell labeling using same |
WO2010076946A1 (ko) * | 2008-12-30 | 2010-07-08 | 경북대학교 산학협력단 | 나노입자체, 복합 나노입자체 및 이의 제조방법 |
US20140039166A1 (en) | 2011-03-18 | 2014-02-06 | Konica Minolta, Inc. | Silica nanoparticle for diagnostic imaging, method for producing the same, and biosubstance labeling agent |
CN103007302B (zh) * | 2012-12-12 | 2014-11-26 | 中国科学院宁波材料技术与工程研究所 | Gd2O3-TiO2复合纳米粒子及其制备方法和应用 |
US10160884B2 (en) * | 2015-03-23 | 2018-12-25 | Versum Materials Us, Llc | Metal compound chemically anchored colloidal particles and methods of production and use thereof |
US20210379208A1 (en) * | 2020-06-08 | 2021-12-09 | Massachusetts Institute Of Technology | Molecular sensors with modified ligands |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3616133A1 (de) * | 1985-09-25 | 1987-11-19 | Merck Patent Gmbh | Kugelfoermige sio(pfeil abwaerts)2(pfeil abwaerts)-partikel |
ATE187079T1 (de) * | 1994-09-27 | 1999-12-15 | Nycomed Imaging As | Kontrastmittel |
US6342598B1 (en) * | 1998-11-26 | 2002-01-29 | Bracco International B.V. | Amphipatic polycarboxylic chelates and complexes with paramagnetic metals as MRI contrast agents |
WO2004009134A1 (en) * | 2002-07-22 | 2004-01-29 | Bracco Imaging S.P.A. | Procedures of cellular labelling with paramagnetic complexes for mri applications |
AU2003303954A1 (en) * | 2002-10-25 | 2004-10-11 | Emory University | Multifunctional magnetic nanoparticle probes for intracellular molecular imaging and monitoring |
US8128908B2 (en) * | 2004-04-30 | 2012-03-06 | University Of Florida Research Foundation, Inc. | Nanoparticles and their use for multifunctional bioimaging |
WO2007013877A2 (en) * | 2004-09-02 | 2007-02-01 | The Regents Of The University Of California | Signal peptide-semiconductor nanocrystal conjugates |
-
2005
- 2005-11-10 DE DE102005053618A patent/DE102005053618A1/de not_active Withdrawn
-
2006
- 2006-10-17 US US12/093,187 patent/US20080286370A1/en not_active Abandoned
- 2006-10-17 EP EP06806318A patent/EP1945192A2/de active Pending
- 2006-10-17 JP JP2008539280A patent/JP2009514905A/ja active Pending
- 2006-10-17 KR KR1020087013785A patent/KR20080066999A/ko not_active Application Discontinuation
- 2006-10-17 CN CNA2006800413116A patent/CN101340900A/zh active Pending
- 2006-10-17 WO PCT/EP2006/009982 patent/WO2007054182A2/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2007054182A3 (de) | 2007-07-05 |
CN101340900A (zh) | 2009-01-07 |
WO2007054182A2 (de) | 2007-05-18 |
US20080286370A1 (en) | 2008-11-20 |
JP2009514905A (ja) | 2009-04-09 |
KR20080066999A (ko) | 2008-07-17 |
EP1945192A2 (de) | 2008-07-23 |
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Legal Events
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8139 | Disposal/non-payment of the annual fee |