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Measurement of heteronuclear dipolar couplings using a rotating frame solid-state NMR experiment
2006 (English)In: Chemical Physics Letters, ISSN 0009-2614, E-ISSN 1873-4448, Vol. 419, no 06-apr, 533-536 p.Article in journal (Refereed) Published
Abstract [en]

A new NMR experiment to measure heteronuclear dipolar couplings in the solid-state is proposed. In this technique, a spin-lock based on a multiple pulse sequence, BLEW, is used in both the radio frequency channels to suppress the chemical shift and homonuclear dipolar coupling interactions. The spin part of the zeroth-order average Hamiltonian is isotropic at on-resonance and renders the heteronuclear isotropic mixing leading to spin exchange via the local field (HIMSELF) for an in phase transfer of magnetization. The offset frequency dependence is compensated by a 180 degrees pulse at the end of a BLEW sequence. Theoretical, simulated and experimental results demonstrating the performance of the HIMSELF technique are reported.

Place, publisher, year, edition, pages
2006. Vol. 419, no 06-apr, 533-536 p.
Keyword [en]
inversion spin-exchange, membrane-protein, magic-angle, spectroscopy, resolution, power, pitansema, columnar
URN: urn:nbn:se:kth:diva-15474DOI: 10.1016/j.cplett.2005.12.012ISI: 000235675000044OAI: diva2:333515
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Dvinskikh, Sergey V.
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