Solid-State NMR Applied to Biological Samples
Solid-state NMR applied to photosynthetic light-harvesting complexes
... of biological samples for solid-state NMR In NMR, the signals from nuclear spins are characterized by a parameter called the chemical shift, reflecting the variation of the ...
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Biological Membrane Structure By Solid-State NMR
... particularly solid-state NMR spectroscopy, is a method of choice to study the structure and dynamics of both the lipid and the protein components of model and biological ...C ...
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Bio-Solid State NMR
... In solids: anisotropic contributions (<3cos 2 q-1> dependence); q is angle between the angle of the tensor element with respect to the applied field, B o. For large (M r » 30k) and slowly tumbling molecules (t r > ...
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Symmetry based pulse sequences in solid state NMR and applications to biological systems
... Figure 3: Schematic of a recoupling sequence showing the time–dependence of the heteronuclear dipolar coupling Hamiltonian, H IS in the interaction frame of the rf field. (a) The time–dependent evolution of H IS under ...
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Solid-State NMR of CO2 Mineralization and NMR Crystallography
... an NMR study of two packed beds of forsterite reacted with 13 CO 2 : one with a water-slurry and one with a ...three samples: at 0-2 mm, at 4-6 mm, and 14-16 mm for typical amorphous ...
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Seminar. Solid-state NMR Spectroscopy
... For liquids in which the molecules are mov- ing rapidly, the term 1 − 3cos 2 (θ) must be integraded over a sphere, as all angles θ are sampled. This integration produces the result that the dipole-dipole interaction is ...
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Continuous Wave NMR Imaging in the Solid State
... are applied in the presence of a gradient, and therefore extremely short, broadband pulses are required in order to excite the full range of frequencies across the ...
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Solution- and solid-state NMR studies of GPCRs and their ligands
... 5.3. Lipids Given that membrane proteins function within a bilayer environ- ment it is more biologically applicable to be able to carry out structural investigations in lipids. SSNMR is ideally suited to such ...
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Solid-state NMR of Complex Nano- and Microcrystalline Materials
... NC samples suggest that the NCs contain two distinct phases with similar structures to their corresponding bulk counterparts; however, these patterns do not provide a definitive picture of the NC structure on a ...
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Solid-State NMR of Quadrupolar Nuclei for Structural Elucidation
... an applied pulse will also undergo relaxation. After a pulse is applied the transverse magnetization precesses in the x ′ y ′ - plane, however, its magnitude decreases over time and eventually decays to ...
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Multinuclear solid state NMR for the characterisation of inorganic materials
... the solid-state NMR spectra harder to interpret. Powder samples contain many crystallites with random orientations and therefore anisotropic broadening is ...A NMR experiment that can ...
401
Perspective : current advances in solid state NMR spectroscopy
... powdered samples, particularly where aromatic rings, and associated aromatic ring stacking, are ...for samples where resolution is susceptibility limited are elongated along the diagonal 13 ; such ...
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Diffraction and Solid State NMR Studies of Inorganic Framework Materials.
... Samples were prepared by ex-situ heating in a muffle furnace using a ramp rate of 10 K min -1 and then cooled at the rate at which the furnace cools. The samples were prepared for VT XRD as described in ...
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A solid state NMR method for solution of zeolite crystal structures
... using solid-state 29 Si double-quantum dipolar recoupling NMR, which probes the distance-dependent dipolar interactions between naturally abundant 29 Si nuclei in the zeolite ...test samples, ...
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A solid state NMR method for solution of zeolite crystal structures
... repetitions of the bracketed elements. One complete supercycle spans 16 rotor periods and requires an r.f. field strength that provides a nutation frequency which is exactly 6.5 times the spinning frequency. The SR26 4 ...
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Solid state NMR of high pressure silicates in the earth's mantle
... H NMR. 1 H CRAMPS NMR spectra of the two samples revealed a broad lineshape with a main component at ...H NMR, which is only concerned with H atoms involved in hydrogen ...CRAMPS NMR ...
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Solid state NMR studies of inorganic pigment materials and catalysts
... selenium-doped samples seem to have either a shifted foordite phase which is partially washed away during the washing using ammonia poly-sulphide or a niobium-containing impurity which is not soluble in ...
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Development of solid state NMR techniques for the characterisation of pharmaceutical compounds
... 15 N magnetisation was achieved using a cross-polarisation ramp of magnitude 50% to 100%, with a contact time of 1 ms for L-histidine HCl.H 2 O and the dipeptide β-AspAla, and 5 ms for all remaining compounds. The ...
195
Intermolecular interactions and protein dynamics by solid state NMR spectroscopy
... In summary, we have presented a comparison of site- specific backbone dynamics spanning over nine orders of magnitude in time scale for the protein GB1 in two different environments: a crystalline form and the ...
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Algorithms for automated assignment of solution-state and solid-state protein NMR spectra.
... is applied to filter out artefact peaks that are present within experimental peak lists, using minimum and maximum chemical shift ranges for 13 C, 15 N, and 1 H ...
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