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Gaussian Line Shape
 
A line shape characterized by a bell-shaped form; proportional to exp (-(f - f0)2/Df2) where Df is a measure of the line width.
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Gaussian Noise
 
Noise distributed in a normal (Gaussian) pattern. In such a distribution, approximately 65% of all points fall within one standard deviation (s) of the mean.
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Further Reading:
  Basics:
The Rician Distribution of Noisy MRI Data
Monday, 25 February 2008   by www.ncbi.nlm.nih.gov    
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Gd Labeled AlbuminInfoSheet: - Contrast Agents - 
Intro, Overview, 
Characteristics, 
Types of, 
etc.
 
Macromolecular Gd labeled albumins are a new class of contrast agents with a wide range of use e.g., MR angiography, breast MRI, perfusion MRI, Lung perfusion, etc.
Marketed gadolinium-based albumin-bound contrast media are e.g., MultiHance®, and Vasovist™; other prototypes are in development. Malignant tumors often show an increased uptake and metabolism of plasma proteins, especially albumin. Contrast agents with large molecules are delivered to all tissues, but only accumulate in those with leaky vessels by tumor capillaries (tumor neovessels). MRI tumor perfusion studies with Gd labeled albumin can show the success of tumor therapy by quantitative decrease in MR signal of the malignant tissue after therapy compared to before. In addition, the study of tumor sensitivity to a therapy with drug-labeled albumins seems possible.
After renal transplantation, MRI may diagnose albuminuria caused by glomerular disease with an albumin-bound blood pool contrast agent

See also Blood Pool Agents, Intravascular Contrast Agents, Contrast Enhanced MRI.
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• View the DATABASE results for 'Gd Labeled Albumin' (2).Open this link in a new window

 
Further Reading:
  Basics:
Measurement of rat brain tumor kinetics using an intravascular MR contrast agent and DCE-MRI nested model selection.
Monday, 13 January 2014   by www.ncbi.nlm.nih.gov    
  News & More:
Detection and Localization of Proteinuria by Dynamic Contrast-Enhanced Magnetic Resonance Imaging Using MS325
Wednesday, 4 May 2005   by jasn.asnjournals.org    
Gd-2,5-BPA-DO3AInfoSheet: - Contrast Agents - 
Intro, Overview, 
Characteristics, 
Types of, 
etc.
 
Short name: Gd-2,5-BPA-DO3A, central moiety: Gd
A paramagnetic agent that undergo hepatic uptake and biliary excretion, therefore Gd-2,5-BPA-DO3A can act as a hepatospecific MRI contrast agent.
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Gd-DTPA Labeled DextranInfoSheet: - Contrast Agents - 
Intro, Overview, 
Characteristics, 
Types of, 
etc.
 
Short name:(Gd-DTPA)n-dextran, central moiety: Gd2+
Gd-DTPA labeled dextran is a substance that has been tested as a blood pool agent (intravascular MRI contrast agent). Dextran is a polysaccharide and has labeled with 15 Gd-DTPA moieties a higher T1 relaxivity than unbound Gd-DTPA, compared with a high safety level.

See also Intravascular Contrast Agents, Blood Pool Agents.
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• View the DATABASE results for 'Gd-DTPA Labeled Dextran' (2).Open this link in a new window

 
Further Reading:
  Basics:
Evaluation of Gd-DTPA-labeled dextran as an intravascular MR contrast agent: imaging characteristics in normal rat tissues
   by radiology.rsnajnls.org    
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