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Effective and accurate single-shot NMR diffusion experiments based on magnetization grating
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Physical Chemistry.ORCID iD: 0000-0002-0231-3970
2008 (English)In: Journal of magnetic resonance (San Diego, Calif. 1997: Print), ISSN 1090-7807, E-ISSN 1096-0856, Vol. 195, no 2, 123-128 p.Article in journal (Refereed) Published
Abstract [en]

Current single-shot diffusion methods based on magnetization gratings suffer from low sensitivity due to small rf tip angles and, consequently, from inefficient use of the total equilibrium magnetization. Here, we propose and illustrate the use of a slightly modified form of the magnetization encoding scheme OUFIS for single-shot diffusion experiments. In a detailed theoretical and experimental analysis, we compare the performance of the proposed method to other encoding schemes such as the one-phase or two-phase DANTE and conclude that the OUFIS-based experiment is a superior one. The primary reason is that this scheme allows one to use a larger total pulse area. Hence, one can encode a far larger portion of the initial magnetization into a frequency grating before the onset of various nonlinear effects. In the experimental illustration, we present a single-shot measurement of multicomponent diffusion.

Place, publisher, year, edition, pages
2008. Vol. 195, no 2, 123-128 p.
URN: urn:nbn:se:kth:diva-17988DOI: 10.1016/j.jmr.2008.08.009ISI: 000261043600001ScopusID: 2-s2.0-55049107523OAI: diva2:336033
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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