Magic Angle Spinning (MAS) Solid state NMR spectroscopy
Improved characterization of pure and formulated active pharmaceutical ingredients by fast magic angle spinning solid-state NMR spectroscopy
... fast magic angle spinning solid-state NMR spectroscopy to characterize pure and formulated ...2D NMR experiments are used to identify the solid forms of ...
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The use of a selective saturation pulse to suppress t1 noise in two dimensional 1H fast magic angle spinning solid state NMR spectroscopy
... Fig. 4 reveals the extent to which signal intensities in the 1 H spectra are reduced at lower MAS frequencies when a selective pulse is employed, corresponding to the increased efficiency of 1 H spin diffusion at lower ...
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Longer range distances by spinning angle encoding solid state NMR spectroscopy
... MAS NMR probe to provide fast angle switching during the NMR experiment: For ...rotors, angle changes of up to ~5 degrees in ~10 ms were achieved at 12 kHz ...
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Thermometers for low temperature Magic Angle Spinning NMR
... interested in 13 C NMR that its Larmor frequency is very close and only a slight probe retuning is necessary. A disadvantage of a relaxation time rather than a shift thermometer is that temperature gradients ...
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Structure of ancient glass by 29Si magic angle spinning NMR
... MAS NMR-based experimental x 3 (left) and x 4 (right) for Beirut (filled symbols) and Al- Raqqa (open symbols) glasses plotted as a function of NBO/T and compared with values calculated from glass composition ...
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Enhancing the Sensitivity of Solid-State NMR Experiments with Very Low Gyromagnetic Ratio Nuclei with Fast Magic Angle Spinning and Proton Detection
... for solid-state NMR experiments with very low-γ spin-1/2 nuclei such as 89 Y, 103 Rh, 109 Ag and 183 ...of solid-state NMR experiments with 4 mm and ...HETCOR ...
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Seminar. Solid-state NMR Spectroscopy
... 3.3.3 Magic angle spinning and off-magic angle spinning When measuring the NMR spectra of 13 C in static sample, the wideline resonances of different carbons ...with ...
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Rapid Proton-Detected NMR Assignment for Proteins with Fast Magic Angle Spinning
... unsupervised state-of-the-art computational data analysis protocols originally developed for solution ...years, magic angle spinning (MAS) NMR emerged as a generally applicable ...
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Perspective : current advances in solid state NMR spectroscopy
... high” spinning rates are difficult to achieve in 1 H ...the spinning rate ...F) NMR have been addressed using specialised radio- frequency (RF) pulse trains to manipulate the 1 H magnetisation in ...
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Intermolecular interactions and protein dynamics by solid state NMR spectroscopy
... kHz) magic-angle spinning (MAS), and optional sample ...SSNMR spectroscopy to conduct widespread site-specific relaxation measurements that shed light on motions for a protein GB1 in a large ...
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Characterisation of inorganic materials using solid state NMR spectroscopy
... five spinning sidebands, of good intensity, are needed for the determination of Ω, but as κ approaches ±1, more spinning sidebands are needed for accurate ...of spinning sidebands, nor too slow, ...
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New methods and applications in solid state NMR spectroscopy of quadrupolar nuclei
... stable spinning rate and accurate pulse timings), but it typically offers a significant sensitivity advantage over MQMAS (in many cases of factors between 4 and ...the solid-state chemist is which of ...
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High-resolution magic angle spinning NMR studies for metabolic characterization of Arabidopsis thaliana mutants with enhanced growth characteristics
... HR-MAS NMR to obtain the metabolic profile directly from the intact leaves of wild-type Columbia (Col-0) Arabidopsis plants, and of the VP16-02-003 and VP16-05-014 mutants with enhanced growth characteristics and ...
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A fast magic angle spinning three dimensional NMR experiment for simultaneously probing H H and N H proximities in solids
... H solid-state NMR is fi nding increasing application for the solid-state characterization of a range of samples including pharmaceuticals, supramolecular assemblies and polymers, 1 ...
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Characterization of metabolites in infiltrating gliomas using ex vivo &supl;H high-resolution magic angle spinning spectroscopy.
... high-resolution magic angle spinning (spectroscopy); HR-QUEST, high-resolution quantum estimation (algorithm for semi- parametric quanti fication); hTau, hypotaurine; IDH, isocitrate ...
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Mesoporous Silica Nanoparticles Loaded with Surfactant: Low Temperature Magic Angle Spinning 13C and 29Si NMR Enhanced by Dynamic Nuclear Polarization
... scale, solid- state nuclear magnetic resonance (SS-NMR) spectroscopy is very well suited to the study of mesoporous ...SS- NMR to characterize surfaces containing nuclei with low ...
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Metabolic Profiling of Intact Arabidopsis thaliana Leaves during Circadian Cycle Using 1H High Resolution Magic Angle Spinning NMR.
... HR-MAS NMR was not yet applied to intact fresh leaves of Arabidopsis ...HR-MAS NMR spectroscopy and to study functional framework of metabolism by following metabolic rhythm throughout the light/dark ...
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Accessibility and Location of Acid Sites in Zeolites as Probed by Fourier Transform Infrared Spectroscopy and Magic Angle Spinning Nuclear Magnetic Resonance279-290
... Figure 3(a) shows 31 P MAS NMR spectra of TMPO dosed ZSM-5 by two different methods, one where TMPO was first dissolved in CH 2 Cl 2 and the other where TMPO was added directly. Both methods produce similar ...
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Characterization of Pharmaceutical Cocrystals and Salts by Dynamic Nuclear Polarization-Enhanced Solid-State NMR Spectroscopy
... Solid-state NMR spectroscopy is a powerful probe of molecular structure for cocrystals, salts and pure ...N solid-state NMR spectroscopy has been extensively ...
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Characterization of Pharmaceutical Cocrystals and Salts by Dynamic Nuclear Polarization-Enhanced Solid-State NMR Spectroscopy
... Solid-state NMR spectroscopy is a powerful probe of molecular structure for cocrystals, salts and pure ...N solid-state NMR spectroscopy has been extensively ...
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