| Mobile sensor for high resolution NMR spectroscopy and imaging. | |
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MedLine Citation:
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PMID: 19217330 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In this work we describe the construction of a mobile NMR tomograph with a highly homogeneous magnetic field. Fast MRI techniques as well as NMR spectroscopy measurements were carried out. The magnet is based on a Halbach array built from identical permanent magnet blocks generating a magnetic field of 0.22T. To shim the field inhomogeneities inherent to magnet arrays constructed from these materials, a shim strategy based on the use of movable magnet blocks is employed. With this approach a reduction of the line-width from approximately 20kHz to less than 0.1kHz was achieved, that is by more than two orders of magnitude, in a volume of 21cm(3). Implementing a RARE sequence, 3D images of different objects placed in this volume were obtained in short experimental times. Moreover, by reducing the sample size to 1cm(3), sub ppm resolution is obtained in (1)H NMR spectra. |
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Authors:
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Ernesto Danieli; Jörg Mauler; Juan Perlo; Bernhard Blümich; Federico Casanova |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2009-01-25 |
Journal Detail:
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Title: Journal of magnetic resonance (San Diego, Calif. : 1997) Volume: 198 ISSN: 1096-0856 ISO Abbreviation: J. Magn. Reson. Publication Date: 2009 May |
Date Detail:
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Created Date: 2009-04-06 Completed Date: 2009-07-15 Revised Date: 2009-11-04 |
Medline Journal Info:
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Nlm Unique ID: 9707935 Medline TA: J Magn Reson Country: United States |
Other Details:
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Languages: eng Pagination: 80-7 Citation Subset: IM |
Affiliation:
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Institut für Technische Chemie und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 1, D-52074 Aachen, Germany. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Algorithms Citrus / anatomy & histology Construction Materials Data Interpretation, Statistical Magnetic Resonance Imaging / instrumentation*, statistics & numerical data Magnetic Resonance Spectroscopy / instrumentation*, statistics & numerical data Musa / anatomy & histology Phantoms, Imaging |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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