Document Detail


ProFit: two-dimensional prior-knowledge fitting of J-resolved spectra.
MedLine Citation:
PMID:  16541464     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A two-dimensional fitting procedure is introduced, capable of extracting the full amount of information from 2D J-resolved magnetic resonance spectroscopic data. The fitting procedure uses a linear combination of 2D model spectra. For reducing the degrees of freedom and increasing robustness, it is divided into a non-linear outer loop and an inner linear least-squares fit for the concentrations. In vitro and in vivo experiments on a whole-body 3 T MR scanner show the detectability of a wide range of metabolites in the human brain, namely total creatine, N-acetylaspartate, N-acetylaspartylglutamate, choline-containing compounds, glutamate, myo-inositol, glutathione, scyllo-inositol, gamma-aminobutyric acid, alanine and ascorbic acid.
Authors:
Rolf F Schulte; Peter Boesiger
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Publication Detail:
Type:  Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  NMR in biomedicine     Volume:  19     ISSN:  0952-3480     ISO Abbreviation:  NMR Biomed     Publication Date:  2006 Apr 
Date Detail:
Created Date:  2006-03-22     Completed Date:  2006-05-25     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8915233     Medline TA:  NMR Biomed     Country:  England    
Other Details:
Languages:  eng     Pagination:  255-63     Citation Subset:  IM    
Affiliation:
Institute for Biomedical Engineering, University and ETH Zurich, CH-8092 Zurich, Switzerland.
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MeSH Terms
Descriptor/Qualifier:
Adult
Algorithms*
Creatine / metabolism*
Female
Humans
Magnetic Resonance Spectroscopy / methods*
Male
Nerve Tissue Proteins / metabolism*
Neurotransmitter Agents / metabolism*
Parietal Lobe / metabolism*
Spectrum Analysis / methods
Tissue Distribution
Chemical
Reg. No./Substance:
0/Nerve Tissue Proteins; 0/Neurotransmitter Agents; 57-00-1/Creatine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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