[PDF] Top 20 New methods and applications in solid state NMR spectroscopy of quadrupolar nuclei

... situ NMR can be challenging, both from a practical point of view (with the need to reproduce conditions, ...for quadrupolar nuclei, from a spectroscopic point of view, with the presence of the ... See full document

... for quadrupolar nuclei, ...the NMR interaction tensors with respect to the applied ...the NMR spectrum from a sample of a powdered solid is the superposition of the spectra associated ... See full document

... Although SSNMR offers a wide range of structural information at atomic resolution, its routine use for solving biomolecular structures has always faced significant challenges, many of which have been rooted in a ... See full document

... a state transition ...one state to the ...observing NMR spectra simultaneously on bulk materials in early ...out NMR experiments on solid ...conducted NMR experiments on a liquid ... See full document

... A distinct advantage of the DFRC method for lignin structure analysis is its relatively simple protocol and applicability to all types of woody tissues. [82, 83, 190] Through a simple protocol modification, outlined ... See full document

... catalytic applications of Pd involve the use of organometallic Pd systems, or the deployment of pure or alloyed Pd metal nanoparticles on various ...of solid state NMR provides a useful ... See full document

... high-resolution solid-state NMR spectra of quadrupolar nuclei, the inherently low sensitivity of the multiple-quantum magic-angle spinning (MQMAS) experiment has limited its application ... See full document

... The pulse sequence of Orr et al. is shown in Figure 1.4 (b). Again, transverse magnetisation is created and allowed to evolve over a fixed time period, typically four rotor periods, through the applications of ... See full document

... order quadrupolar broadening and field ...these nuclei has benefited greatly from the use of QCPMG 5 and related pulse ...Cl NMR spectroscopy have been ...large quadrupolar coupling ... See full document

... quadrupolar coupling constants (previously determined by NQR to be 91.26, 119.58, and 152.46 MHz for X = I, Br, and Cl, respectively). 13 The 209 Bi SSNMR spectra of the BiOX samples and associated simulations are ... See full document

... of NMR spectra is often difficult, particularly when multiple, overlapping powder patterns are ...of NMR tensors to structural features, and the influence of local and long-range interactions on NMR ... See full document

... the NMR phenomenon and NMR spec- ...the solid state rather than in solution or the liquid ...physical state of inter- est. However, NMR spectroscopy of solids differs in ... See full document

... of NMR spectroscopy is its versa- tility since it enables to examine samples in either liquid- or solid-state, by selecting the proper NMR probe where the samples are ...disadvantages. ... See full document

... anisotropic NMR interactions ...the quadrupolar interaction). These so-called ultra-wideline (UW) NMR spectra 63 are typically greater than 250 kHz in breadth and, as such, require special pulse ... See full document

... luted (dePaked) using the algorithm of McCabe and Wassal [41,42]. These spectra can be dePaked such that the bilayer normal was perpendicular with respect to the direction of the static magnetic field. Then, the quadru- ... See full document

... infrared spectroscopy (FTIR) and thermal analyses (DSC and ...recently solid-state nu- clear magnetic resonance has been employed, with suc- ... See full document

... dipolar couplings will otherwise lead to broad lines, just like in solution NMR if a protein tumbles too slowly. How fast the spinning needs to be depends mainly on how dense the proton network is. In most ... See full document

... Sanchez 'Surface and bulk characterisation of titanium oxo clusters and nanosized titania particles through 17O solid state NMR.' J. All transitions exhibit second order effects[r] ... See full document

... Magic angle spinning solid state NMR narrows anisotropically broadened spectra.. Small (Mr ~ 3k) peptide in fluid lipid bilayers Static NMR spectrum.[r] ... See full document

... MAS NMR probe was redesigned to provide fast angle switching during the NMR experiment: angle changes of up to ~5 degrees in ~10 ms were achieved at 12 kHz ... See full document