[NMR paper] Relative merits of rCW(A) and XiX heteronuclear spin decoupling in solid-state magic-angle-spinning NMR spectroscopy: A bimodal Floquet analysis.
Relative merits of rCW(A) and XiX heteronuclear spin decoupling in solid-state magic-angle-spinning NMR spectroscopy: A bimodal Floquet analysis.
J Magn Reson. 2016 Jan 6;263:55-64
Authors: Equbal A, Leskes M, Nielsen NC, Madhu PK, Vega S
Abstract
We present a bimodal Floquet analysis of the recently introduced refocused continuous wave (rCW) solid-state NMR heteronuclear dipolar decoupling method and compare it with the similar looking X-inverse X (XiX) scheme. The description is formulated in the rf interaction frame and is valid for both finite and ideal ? pulse rCW irradiation that forms the refocusing element in the rCW scheme. The effective heteronuclear dipolar coupling Hamiltonian up to first order is described. The analysis delineates the difference between the two sequences to different orders of their Hamiltonians for both diagonal and off-diagonal parts. All the resonance conditions observed in experiments and simulations have been characterised and their influence on residual line broadening is highlighted. The theoretical comparison substantiates the numerical simulations and experimental results to a large extent.
PMID: 26773527 [PubMed - as supplied by publisher]
[NMR paper] A unified heteronuclear decoupling strategy for magic-angle-spinning solid-state NMR spectroscopy.
A unified heteronuclear decoupling strategy for magic-angle-spinning solid-state NMR spectroscopy.
Related Articles A unified heteronuclear decoupling strategy for magic-angle-spinning solid-state NMR spectroscopy.
J Chem Phys. 2015 May 14;142(18):184201
Authors: Equbal A, Bjerring M, Madhu PK, Nielsen NC
Abstract
A unified strategy of two-pulse based heteronuclear decoupling for solid-state magic-angle spinning nuclear magnetic resonance is presented. The analysis presented here shows that different decoupling sequences like...
Shortening spin-lattice relaxation using a copper-chelated lipid at low-temperatures - A magic angle spinning solid-state NMR study on a membrane-bound protein
From The DNP-NMR Blog:
Shortening spin-lattice relaxation using a copper-chelated lipid at low-temperatures - A magic angle spinning solid-state NMR study on a membrane-bound protein
This article is not about DNP. However, the authors describe how to use paramagnetic relaxation enhancers to speed up the data acquisition and with this increase the sensitivity. A similar effect happens when a paramagnetic polarization agent is used in a DNP-NMR experiment and often the only reason why it is actually possible to run 1H-DNP-NMR experiments with recycling delays of several seconds...
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[NMR paper] Shortening spin-lattice relaxation using a copper-chelated lipid at low-temperatures - A magic angle spinning solid-state NMR study on a membrane-bound protein.
Shortening spin-lattice relaxation using a copper-chelated lipid at low-temperatures - A magic angle spinning solid-state NMR study on a membrane-bound protein.
Related Articles Shortening spin-lattice relaxation using a copper-chelated lipid at low-temperatures - A magic angle spinning solid-state NMR study on a membrane-bound protein.
J Magn Reson. 2013 Nov 1;237C:175-181
Authors: Yamamoto K, Caporini MA, Im S, Waskell L, Ramamoorthy A
Abstract
Inherent low sensitivity of NMR spectroscopy has been a major disadvantage, especially to...
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11-20-2013 12:52 PM
[NMR paper] Refocused continuous-wave decoupling: a new approach to heteronuclear dipolar decoupling in solid-state NMR spectroscopy.
Refocused continuous-wave decoupling: a new approach to heteronuclear dipolar decoupling in solid-state NMR spectroscopy.
http://www.bionmr.com//www.ncbi.nlm.nih.gov/corehtml/query/egifs/http:--link.aip.org-jhtml-linkto.gif Related Articles Refocused continuous-wave decoupling: a new approach to heteronuclear dipolar decoupling in solid-state NMR spectroscopy.
J Chem Phys. 2012 Dec 7;137(21):214202
Authors: Vinther JM, Nielsen AB, Bjerring M, van Eck ER, Kentgens AP, Khaneja N, Nielsen NC
Abstract
A novel strategy for heteronuclear dipolar...
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06-01-2013 02:03 PM
[NMR paper] Orphan spin operators enable the acquisition of multiple 2D and 3D magic angle spinning solid-state NMR spectra.
Orphan spin operators enable the acquisition of multiple 2D and 3D magic angle spinning solid-state NMR spectra.
Related Articles Orphan spin operators enable the acquisition of multiple 2D and 3D magic angle spinning solid-state NMR spectra.
J Chem Phys. 2013 May 14;138(18):184201
Authors: Gopinath T, Veglia G
Abstract
We propose a general method that enables the acquisition of multiple 2D and 3D solid-state NMR spectra for U-(13)C, (15)N-labeled proteins. This method, called MEIOSIS (Multiple ExperIments via Orphan SpIn operatorS), makes...
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05-17-2013 07:00 PM
[NMR paper] Resonance assignments and secondary structure analysis of E. coli thioredoxin by magic angle spinning solid-state NMR spectroscopy.
Resonance assignments and secondary structure analysis of E. coli thioredoxin by magic angle spinning solid-state NMR spectroscopy.
Related Articles Resonance assignments and secondary structure analysis of E. coli thioredoxin by magic angle spinning solid-state NMR spectroscopy.
J Phys Chem B. 2005 Sep 29;109(38):18135-45
Authors: Marulanda D, Tasayco ML, Cataldi M, Arriaran V, Polenova T
De novo site-specific 13C and 15N backbone and sidechain resonance assignments are presented for uniformly enriched E. coli thioredoxin, established using...
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12-01-2010 06:56 PM
[NMR paper] Magic-angle spinning solid-state NMR spectroscopy of the beta1 immunoglobulin binding domain of protein G (GB1): 15N and 13C chemical shift assignments and conformational analysis.
Magic-angle spinning solid-state NMR spectroscopy of the beta1 immunoglobulin binding domain of protein G (GB1): 15N and 13C chemical shift assignments and conformational analysis.
Related Articles Magic-angle spinning solid-state NMR spectroscopy of the beta1 immunoglobulin binding domain of protein G (GB1): 15N and 13C chemical shift assignments and conformational analysis.
J Am Chem Soc. 2005 Sep 7;127(35):12291-305
Authors: Franks WT, Zhou DH, Wylie BJ, Money BG, Graesser DT, Frericks HL, Sahota G, Rienstra CM
Magic-angle spinning...
Relative merits of rCW(A) and XiX heteronuclear spin decoupling in solid-state magic-angle-spinning NMR spectroscopy: A bimodal Floquet analysis.
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