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Pulse sequence for water suppression in MR proton spectroscopy by hyperbolic secant RF pulses with controlled offsets and delays (WASHCODE)
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SYSNO ASEP 0047362 Document Type L - Prototype, Functional Specimen R&D Document Type Prototype, Functional Specimen Title Pulse sequence for water suppression in MR proton spectroscopy by hyperbolic secant RF pulses with controlled offsets and delays (WASHCODE) Title Pulsní sekvence pro potlačování vody v MR protonové spektroskopii pomocí hypersekansových RF pulsů s optimalizovanými ofsety a prodlevami (WASHCODE) Author(s) Starčuk jr., Zenon (UPT-D) RID, ORCID, SAI
Starčuk, Zenon (UPT-D) RID
Mlynárik, V. (AT)
Roden, M. (AT)
Horký, Jaroslav (UPT-D) RIDYear of issue 2001 Int.Code WASHCODE SResult web page, Location of the result Med Univ Vienna, Vienna, Austria; Dept. of Medical Biophysics, Univ. of Western Ontario, London, ON, Canada; Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA Technical parameters Metoda potlačení signálu vody pro in vivo H-1 MR spektroskopii účinná pro široký rozsah relaxačních časů T1 i v nehomogenním RF poli (např. s povrchovými cívkami). Economic parameters Metoda zlepšuje kvalitu H-1 MR spekter za podmínek, kdy nelze zajistit homogenní excitaci, nebo kdy je požadaváno zkrácení přípravné periody oproti metodám typu CHESS. Owner Name Ústav přístrojové techniky AV ČR Registration Number of the result owner 68081731 Use by another entity N - Využití výsledku jiným subjektem je možné bez nabytí licence Language eng - English Country CZ - Czech Republic Keywords magnetic resonance spectroscopy ; water suppression Subject RIV FS - Medical Facilities ; Equipment R&D Projects IAA4065901 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) Annotation A method for suppressing the water signal in in vivo H-1 MR spectroscopy has been developed such that its efficiency is not affected by the dispersion of relaxation times T1nor by inhomogeneous RF field (e.g. with surface coils). The effect is achieved by the application of several shaped adiabatic pulses with optimized frequency offsets and delay between them. The parameters necessary for the implementation of the method have been published (J. Magn. Reson. 152, 168–178 (2001)). According to citations the method has been used for biomedical research at several institutions worldwide. Workplace Institute of Scientific Instruments Contact Martina Šillerová, sillerova@ISIBrno.Cz, Tel.: 541 514 178 Year of Publishing 2006
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