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| | | MRI Forum
'Contrast Agents' | | |
| Result: Searchterm 'Contrast Agents'
found in 8 messages |
| Result Pages: [1] 2 |
More Results:  Database (122) News Service (49) Resources (7) |
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Gopi B
Tue. 20 Feb.07,
14:35
[Start of:
'MRI contrast agents'
0 Reply]
 Category:
Contrast Agents
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| MRI contrast agents |
Hello,
Could anyone reply, where i could directly buy commercially available various nanoparticle MRI cotrast agents?.
Thanks
Gopi
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Christine Row
Tue. 1 Sep.09,
19:11
[Reply (1 of 4) to:
'Please recommend materials sensitive to T1-weighted MRI'
started by: 'Cindy Duan'
on Wed. 12 Aug.09]
Category:
Basics and Physics
|
| Please recommend materials sensitive to T1-weighted MRI |
Beside diluted contrast agents, you can use fat containing substances, for example fish-oil filled capsules.
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Elena Brown
Fri. 22 May.09,
20:48
[Reply (1 of 2) to:
'Feridex/endorem and bone MRI'
started by: 'marta lola'
on Wed. 15 Apr.09]
Category:
Contrast Agents
|
| Feridex/endorem and bone MRI |
Some experiments with superparamagnetic contrast agents such as Feridex/Endorem with labeled cells showed a black appearance on T2 weighted sequences, which was easy to see. The less dominant T1 effect, bright on T1 weighted images was more subtle. (I found this also interesting http://www.nature.com/nm/journal/v7/n11/full/nm1101-1241.html and the article 'MR and iron magnetic nanoparticles. Imaging opportunities in preclinical and translational research' on http://www.tumorionline.it/cerca.php )
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BETH PHILLIPS
Thu. 2 Aug.07,
05:32
[Start of:
'???'
1 Reply]
Category:
Contrast Agents
|
| ??? |
Is Gado listed as a contrast agent or a medicine under the FDA? Is it legal for an mri technologist to inject gado? I know we can inject contrast agents but is gado listed under the FDA as a contrast agent or is it listed as something else?
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Renate Bloemer
Mon. 13 Nov.06,
19:29
[Reply (1 of 2) to:
'T1 FAT SAT PRE AND POS GADO'
started by: 'CLAUDIO RIBERTI'
on Tue. 24 Oct.06]
Category:
Contrast Agents
|
| T1 FAT SAT PRE AND POS GADO |
The contrast agent causes this difference. Contrast agents reduce the T1 time in tissues where they have accumulated depending on blood flow and vascular permeability. Caused by this, tissues after an application of contrast agents will differ in shortening of the T1 time, and the same imaging parameters result in other image appearance.
Some helpful links for musculoskeletal imaging and Fat Sat:
http://www.moffitt.org/moffittapps/ccj/v8n3/pdf/221.pdf
http://www.medical.siemens.com/siemens/en_US/gg_mr_FBAs/files/MRI_Hot_Topics/MRI_HotTopics_Skinny_on_FatSat_engl.pdf
Hope this helps
Renate Bloemer
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