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Improved Pulse Sequences for Measurement of Small Long-Range Couplings between Heteronuclei (29Si-13C) at Natural Abundance
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SYSNO ASEP 0333185 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Improved Pulse Sequences for Measurement of Small Long-Range Couplings between Heteronuclei (29Si-13C) at Natural Abundance Title Vylepšené pulsní sekvence pro měření malých long-range couplingu mezi heterojádry (29Si-13C) v přirozeném zastoupení Author(s) Blechta, Vratislav (UCHP-M) RID, ORCID, SAI
Schraml, Jan (UCHP-M) RID, ORCID, SAISource Title Magnetic Resonance in Chemistry. - : Wiley - ISSN 0749-1581
Roč. 47, č. 6 (2009), s. 511-514Number of pages 4 s. Language eng - English Country GB - United Kingdom Keywords long-range Si ; 13 NMR ; 29Si NMR Subject RIV CF - Physical ; Theoretical Chemistry R&D Projects IAA400720706 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GA203/06/0738 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z40720504 - UCHP-M (2005-2011) UT WOS 000266270200008 DOI 10.1002/mrc.2417 Annotation The gradient pulse sequences for measurement of small long-range couplings between heteronuclei (29Si-13C) in natural abundance reported to date (INEPT-(Si,C)gCOSY and INEPT-(Si,C,Si)HMQC) suffer from significant signal loss when these nuclei (29Si, 13C) are coupled through one-bond couplings to protons. New versions of these sequences eliminate this negative effect completely. The beneficial effects on the quality of the spectra are demonstrated. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2010
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