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Magnetic susceptibility measurement using 2D magnetic resonance imaging
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SYSNO ASEP 0366067 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Magnetic susceptibility measurement using 2D magnetic resonance imaging Author(s) Marcon, P. (CZ)
Bartušek, Karel (UPT-D) RID, ORCID, SAI
Burdkova, M. (CZ)
Dokoupil, Zdeněk (UPT-D) RID, SAINumber of authors 4 Source Title Measurement Science and Technology. - : Institute of Physics Publishing - ISSN 0957-0233
Roč. 22, č. 10 (2011), 105702:1-8Number of pages 8 s. Language eng - English Country GB - United Kingdom Keywords magnetic flux density ; magnetic susceptibility ; MRI ; MR signal ; reaction field Subject RIV JA - Electronics ; Optoelectronics, Electrical Engineering R&D Projects GAP102/11/0318 GA ČR - Czech Science Foundation (CSF) ED0017/01/01 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z20650511 - UPT-D (2005-2011) UT WOS 000294819500045 EID SCOPUS 80052752276 DOI 10.1088/0957-0233/22/10/105702 Annotation The authors describe a nuclear magnetic resonance (NMR) method for measuring the magnetic susceptibility of bar-shaped samples that have an arbitrary cross-section and do not produce an MR signal. The method is based on the measurement of the 2D map of the reaction field in the vicinity of a non-ferromagnetic sample and on the calculation of magnetic susceptibility from a known reaction field. The verification of the technique was realized via modelling the measured configuration in the ANSYS program by means of the finite element method and through an experimental measurement of MR-compatible and MR-incompatible materials carried out on a tomograph. A great advantage of the proposed susceptibility evaluation method consists in the use of only standard commercially used devices without the need of any special sequences. Workplace Institute of Scientific Instruments Contact Martina Šillerová, sillerova@ISIBrno.Cz, Tel.: 541 514 178 Year of Publishing 2012
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