Structural properties of 2D NMR relaxation spectra of diffusive systems

Much has been learnt and speculated about the form of 2D NMR relaxation spectra of diffusive systems. Herein we show that the eigen-modes formalism can help to establish a number of fundamental structural properties, i.e. symmetries, overall intensities, signs and relative intensities of the diagona...

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Bibliographic Details
Published inJournal of magnetic resonance (1997) Vol. 205; no. 2; pp. 315 - 318
Main Authors Rodts, Stéphane, Bytchenkoff, Dimitri
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.08.2010
Elsevier
Subjects
Algorithms
Chemical Physics
Computational Physics
Computer Simulation
Condensed Matter
Data Interpretation, Statistical
Diffusion
Formalism
General Physics
Inverse
Laplace
Magnetic Resonance Imaging - statistics & numerical data
Materials Science
Models, Statistical
Nuclear magnetic resonance
Physics
Porosity
Porous
Relaxation
Spectra
Spreads
Strategy
Two dimensional
Relaxation
Diffusion
Laplace
Porous
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Summary:Much has been learnt and speculated about the form of 2D NMR relaxation spectra of diffusive systems. Herein we show that the eigen-modes formalism can help to establish a number of fundamental structural properties, i.e. symmetries, overall intensities, signs and relative intensities of the diagonal and cross components, of such spectra, on which one can safely rely in analysing experimental data. More specifically, we prove that the correlation T 1– T 2 spectra will always have negative peaks, thus making questionable the nowadays wide spread strategy in developing inverse Laplace transformation algorithms.
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ISSN:1090-7807
1096-0856
DOI:10.1016/j.jmr.2010.04.021