[PDF] Top 20 Mesostructured silica studied by silicon filtered reverse cross-polarization solid state NMR
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Mesostructured silica studied by silicon filtered reverse cross-polarization solid state NMR
... Nano-organised silica powders, prepared from self-assembly of surfactants and siliceous species, have done their breakthrough in the early ‘90s and, ever since, the interest of the material’s community is growing ... Voir le document complet
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A Solid State NMR Investigation of Recent Marine Siliceous Sponge Spicules
... the silica shell around an axial ...silicatein by Morse et ...proceeds by lamellar apposition of silica layers, separated by sheets of organic matrices formed by a very likely ... Voir le document complet
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Biosilica-Entrapped Enzymes Studied by Using Dynamic Nuclear-Polarization-Enhanced High-Field NMR Spectroscopy
... imposed by low sensitivity, dynamic nuclear polarization (DNP) may be ...electron polarization of a paramagnetic species is transferred to neighbouring nuclei via microwave ...for cross effect ... Voir le document complet
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Detection and use of small J couplings in solid state NMR experiments
... Quadrupolar cross term) becomes ...a solid under fast MAS (fast enough to average out spinning sidebands of central transitions) is depicted in Figure 4 considering a pair of nuclei I-Q consisting of a ... Voir le document complet
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Probing Transient Conformational States of Proteins by Solid-State R 11 Relaxation-Dispersion NMR Spec- troscopy
... various NMR data, [10] mutations, [12] and inspections of different crystal structures of ubiquitin, the proposed mechanism of the exchange process involves an approximately 1408 flip of peptide plane D52/G53, and ... Voir le document complet
7
Characterization of Zn-containing metal–organic frameworks by solid-state 67Zn NMR spectroscopy and computational modeling
... https://doi.org/10.1002/chem.201201563 Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Characterization of Zn-containing metal–organic frameworks by ... Voir le document complet
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Deformation induced molecular behavior of Cis 1,4-polyisoprene and its nanocomposites monitored by solid-state NMR
... Even if the radicals on the chain ends terminated, it is plausible that the decreased molecular weight of the polyisoprene could cause a decrease in the observed spin lattice r[r] ... Voir le document complet
121
Applications of DNP and solid-state NMR for protein structure determination
... In solid state NMR experiments, the sample is contained in a probe allowing mechanical spinning at the "magic angle" of the sample rotor as well as application [r] ... Voir le document complet
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Solid-state 17O NMR of pharmaceutical compounds : salicylic acid and aspirin
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. For the publisher’[r] ... Voir le document complet
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Solid-state NMR study of modified clay and polymer/clay nanocomposites
... the NMR lines of nuclei within a few nanometres of the paramagnetic ...the NMR spectra are discussed in the first section of this ...of NMR characterization of the clay inorganic counterions is ... Voir le document complet
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Resolution Enhancement in Multidimensional Solid-State NMR Spectroscopy of Proteins using Spin-State Selection
... and the signal therefore still decays during the CT evolution period. Figure 2. CO-C α region of the standard (a) and the (αα)-spin-state selective (b) PDSD spectrum of microcrystalline Crh. The second spectrum ... Voir le document complet
3
Amplitudes and time scales of picosecond-to-microsecond motion in proteins studied by solid-state NMR: a critical evaluation of experimental approaches and application to crystalline ubiquitin
... ing. Solid-state dipolar couplings might provide comple- mentary insight, as they are only sensitive to local motion, but not to the ...impacted by the crystalline environment (Tollinger et ...the ... Voir le document complet
19
Silica-based thin film solid-state electrolytes for Lithium-ion microbatteries
... prepare silica-based ionogels with confined IL in an one-pot sol gel process catalyzed by ...created silica network increases the ionic resistivity of the ionogel electrolyte layer, but does not ... Voir le document complet
1
A low-cost strategy for $^{43}$Ca solid-state NMR spectroscopy
... NMR hardware manufacturers have recently introduced MAS probes equipped with smaller rotors (1.2–1.8 mm o.d.) capable of acquiring good-quality spectra from a few microlitres (2–9 mL) of sample. These probes are ... Voir le document complet
5
Determination of paramagnetic concentrations inside a diamagnetic matrix using solid-state NMR
... 2 Introduction In many cases, the interesting physical properties of inorganic compounds are not intrinsic to the materials themselves but result from the addition of extra ions, called doping ions, allowing to control ... Voir le document complet
23
Insights into the Crystallization and Structural Evolution of Glycine Dihydrate by In Situ Solid-State NMR Spectroscopy
... situ solid-state NMR spectroscopy is exploited to monitor the structural evolution of a glycine/water glass phase formed on flash cooling an aqueous solution of glycine, with a range of modern ... Voir le document complet
8
Commercialization of gallium nitride nanorod arrays on silicon for solid-state lighting
... The use of GaN nanorod array provides performance improvement in LEDs and the use of silicon substrates are much cheaper alternatives to sapphire substrates, which are [r] ... Voir le document complet
40
Comparing quantum-chemical calculation methods for structural investigation of zeolite crystal structures by solid-state NMR spectroscopy
... approach by which solid-state NMR and quantum- chemical calculations play an integral role in the determination of zeolite crystal ...recoupling NMR methods are used to solve the ... Voir le document complet
10
Natural abundance ultrahigh-field 43Ca solid-state NMR in cement-based materials
... Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Natural abundance ultrahigh-field 43Ca solid-state NMR in cement- based materials ... Voir le document complet
5
Dexamethasone impairs muscle energetics, studied by (31)P NMR, in rats.
... accompanied by a modification of resting energy state (PCr:ATP ratio) in skeletal ...reinforced by the fact that while we found that a 24-hour fast (which resulted in a 6% relative mass loss) did not ... Voir le document complet
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