中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Indirect Detection via Spin-1/2 Nuclei in Solid State NMR Spectroscopy: Application to the Observation of Proximities between Protons and Quadrupolar Nuclei

文献类型:期刊论文

作者Lafon, Olivier1; Wang, Qiang1,2,3; Hu, Bingwen1; Vasconcelos, Filipe1; Trebosc, Julien1; Cristol, Sylvain1; Deng, Feng2,3; Amoureux, Jean-Paul1
刊名JOURNAL OF PHYSICAL CHEMISTRY A
出版日期2009-11-19
卷号113期号:46页码:12864-12878
通讯作者Lafon, O (reprint author), Univ Lille 1, UCCS, Ecole Natl Super Chim Lille, CNRS,UMR 8181, Batiment C7,BP 90108, F-59652 Villeneuve Dascq, France.
英文摘要We present a comprehensive comparison of through-space heteronuclear correlation techniques for solid state NMR, combining indirect detection and single-channel recoupling method. These techniques, named D-HMQC and D-HSQC, do not suffer from dipolar truncation and can be employed to correlate quadrupolar nuclei with spin-1/2 nuclei. The heteronuclear dipolar couplings are restored under magic-angle spinning by applying supercycled symmetry-based Pulse sequences (SR4(1)(2)) or simultaneous frequency and amplitude modulation (SFAM). The average Hamiltonian theory (AHT) of these recoupling methods is developed. These results are applied to analyze the performances of D-HMQC and D-HSQC sequences. It is shown that, whatever the magnitude of spin interations, D-HMQC experiment offers larger efficiency and higher robustness than D-HSQC. Furthermore, the spectral resolution in both dimensions of proton detected two-dimensional D-HMQC and D-HSQC spectra can be enhanced by applying recently introduced symmetry-based homonuclear dipolar decoupling schemes that cause a z-rotation of the spins. This is demonstrated by (1)H-(13)C and (1)H-(23)Na correlation experiments on L-histidine and NaH(2)PO(4), respectively. The two-dimensional heteronuclear (1)H-(23)Na correlation spectrum yields the assignment of (23)Na resonances of NaH(2)PO(4). This assignment is corroborated by first-principles calculations.
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Chemistry ; Physics
关键词[WOS]HETERONUCLEAR DIPOLAR INTERACTIONS ; CHEMICAL-SHIFT CORRELATION ; GENERALIZED GRADIENT APPROXIMATION ; MULTIPLE-QUANTUM SPECTROSCOPY ; AUGMENTED-WAVE METHOD ; DOUBLE-RESONANCE NMR ; ANGLE-SPINNING NMR ; MAGNETIC-RESONANCE ; ROTARY RESONANCE ; SENSITIVITY ENHANCEMENT
收录类别SCI
语种英语
WOS记录号WOS:000271583100014
源URL[http://ir.wipm.ac.cn/handle/112942/2152]  
专题武汉物理与数学研究所_2011年以前论文发表(包括2011年)
作者单位1.Univ Lille 1, UCCS, Ecole Natl Super Chim Lille, CNRS,UMR 8181, F-59652 Villeneuve Dascq, France
2.Chinese Acad Sci, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan Ctr Magnet Resonance, Wuhan Inst Phys & Math, Wuhan 430071, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Lafon, Olivier,Wang, Qiang,Hu, Bingwen,et al. Indirect Detection via Spin-1/2 Nuclei in Solid State NMR Spectroscopy: Application to the Observation of Proximities between Protons and Quadrupolar Nuclei[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2009,113(46):12864-12878.
APA Lafon, Olivier.,Wang, Qiang.,Hu, Bingwen.,Vasconcelos, Filipe.,Trebosc, Julien.,...&Amoureux, Jean-Paul.(2009).Indirect Detection via Spin-1/2 Nuclei in Solid State NMR Spectroscopy: Application to the Observation of Proximities between Protons and Quadrupolar Nuclei.JOURNAL OF PHYSICAL CHEMISTRY A,113(46),12864-12878.
MLA Lafon, Olivier,et al."Indirect Detection via Spin-1/2 Nuclei in Solid State NMR Spectroscopy: Application to the Observation of Proximities between Protons and Quadrupolar Nuclei".JOURNAL OF PHYSICAL CHEMISTRY A 113.46(2009):12864-12878.

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来源:武汉物理与数学研究所

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