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Title: Homo- and heteronuclear two-dimensional covariance solid-state NMR spectroscopy with a dual-receiver system.
Authors: Takeda, Kazuyuki  kyouindb  KAKEN_id
Kusakabe, Yasushi
Noda, Yasuto  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0003-4971-4023 (unconfirmed)
Fukuchi, Masashi
Takegoshi, K  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-4613-2987 (unconfirmed)
Author's alias: 武田, 和行
Issue Date: 21-Jul-2012
Publisher: Royal Society of Chemistry
Journal title: Physical chemistry chemical physics : PCCP
Volume: 14
Issue: 27
Start page: 9715
End page: 9721
Abstract: Two-dimensional (2D) covariance NMR spectroscopy, which has originally been established to extract homonuclear correlations (HOMCOR), is extended to include heteronuclear correlations (HETCOR). In a (13)C/(15)N 2D chemical shift correlation experiment, (13)C and (15)N signals of a polycrystalline sample of (13)C, (15)N-labeled amino acid are acquired simultaneously using a dual-receiver NMR system. The data sets are rearranged for the covariance data processing, and the (13)C-(15)N heteronuclear correlations are obtained together with the (13)C-(13)C and (15)N-(15)N homonuclear correlations. The present approach retains the favorable feature of the original covariance HOMCOR that the spectral resolution along the indirect dimension is given by that of the detection dimension. As a result, much fewer amounts of data are required to obtain a well-resolved 2D spectrum compared to the case of the conventional 2D Fourier-Transformation (FT) scheme. Hence, one can significantly save the experimental time, or enhance the sensitivity by increasing the number of signal averaging within a given measurement time.
Rights: This journal is © the Owner Societies 2012
この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
This is not the published version. Please cite only the published version.
URI: http://hdl.handle.net/2433/189439
DOI(Published Version): 10.1039/c2cp41191a
PubMed ID: 22684522
Appears in Collections:Journal Articles

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