NMR - Nuclear magnetic resonance
en fr Study of DNA G-quadruplex structures by Nuclear Magnetic Resonance (NMR) Etude des structures de l'ADN G-quadruplex par résonance magnétique nucléaire
... 105 C.3.2.6 Ligand binding to d[(TG 4 T)] 4 inside Xenopus oocytes In order to maximize the chances of visualizing the effect of ligands inside living cells, we need to apply different ligand selection criteria. A good ...
173
High-field multinuclear solid-state nuclear magnetic resonance (NMR) and first principle calculations in MgSO4 polymorphs
... package, is particularly useful for solid state NMR. Several recent studies have demonstrated that highly accurate evaluation of SS NMR parameters is possible, 5-9 with most examples coming from Earth ...
39
An X-ray Absorption Fine Structure (XAFS) and Nuclear Magnetic Resonance (NMR) spectroscopy study of gallium-silica complexes in aqueous solution.
... At pH above 4.5, the Ga 13 cation seems to transform into more disordered GaOOH–Ga(OH) 3 precursors (see Sect. 4.2.1) which is manifested by the decrease of Ga–Ga number of neighbors and Ga–Ga distances (see Table 2, the ...
21
From crystalline to amorphous calcium pyrophosphates: a solid state Nuclear Magnetic Resonance perspective
... multinuclear NMR (Nuclear Magnetic Resonance) study of four crystalline and two amorphous phases of this family is ...Spinning) NMR spectra were recorded, leading to informative ...
34
Accurate protein-peptide titration experiments by nuclear magnetic resonance using low-volume samples
... Abstract NMR spectroscopy allows measurements of very accurate values of equilibrium dissociation constants using chemical shift perturbation methods, provided that the concentrations of the binding partners are ...
22
Geometric Numerical Methods and Results in the Control Imaging Problem in Nuclear Magnetic Resonance
... In this paper, we have presented the geometric optimal methods combined with numerical adapted schemes implemented in the HamPath code which lead to cal- culate the optimal control in the NMR-imaging techniques ...
27
From crystalline to amorphous calcium pyrophosphates: a solid state nuclear magnetic resonance perspective
... state NMR signatures were observed for the amorphous phases, depending on the synthetic procedure ...The NMR param- eters of the crystalline phases were determined using the GIPAW (Gauge Including Projected ...
11
Optimisation of a maximum entropy criterion for 2D nuclear magnetic resonance reconstruction
... INTRODUCTION Nuclear magnetic resonance (NMR) spectroscopy is a mea- surement technique used to analyze the properties of matter in order to determine its molecular structure and ...
5
Nuclear Magnetic Resonance Volumetric Antenna
... current NMR system antenna is a bird-cage structure, composed of 16 copper wires ( 2 cm thick and 20 cm height) placed periodically around a circle of 20 cm in ...RF magnetic field perpendicular to the ...
6
A comparative study of subspace-based methods for 2-D nuclear magnetic resonance spectroscopy signals
... Two-dimensional NMR, parameter esti- mation, high-resolution, damped ...INTRODUCTION Nuclear magnetic resonance (NMR) spectroscopy is a pow- erful technique for determining the ...
5
Assessing Mesoscopic Organization in Copolymer-Templated Silica Hybrid Films via Solid-State Nuclear Magnetic Resonance
... Figure 9. Percentage of protons detected by the CPMG pulse sequence for the copolymer-silica composites containing different concentrations of template (P123). 4 Conclusion By varying the concentration in templating ...
25
Nuclear magnetic resonance analysis of glucose levels in weanling piglets plasma as a function of deoxynivalenol exposure
... In conclusion, this study revealed a modest dose response e ffect between dietary DON and plasma glucose measured by NMR. It is plausible that the homeostatic control of insulin could be disturbed by DON, and thus ...
6
31P nuclear magnetic resonance spectroscopy studies of cardiac energetics and function in the perfused rat heart
... In measurements of flux through the CK reaction in the isolated perfused heart using the NMR technique of saturation transfer, it has been consistently found that th[r] ...
304
Structure of Strontium Aluminosilicate Glasses from Molecular Dynamics Simulations, Neutron Diffraction and Nuclear Magnetic Resonance Studies
... 29 Si MAS NMR spectra have been collected on a Avance I Bruker 300 MHz (7.05T) spectrometer operating at a Larmor frequency of 59.5 MHz and using a 4mm Bruker CPMAS at a spinning frequency of 10 kHz. Data were ...
40
Effects of hypothermia on brain glucose metabolism in acute liver failure: a H/C-nuclear magnetic resonance study
... C-Nuclear Magnetic Resonance (NMR) spectroscopy, a technique which allows the study not only of metabolite concentrations but also their de novo synthesis via cell-specific pathways in the ...
15
Probing Interconnectivity in Hierarchical Microporous/Mesoporous Materials using Adsorption and Nuclear Magnetic Resonance Diffusion
... which corresponds to the combination rule for resistors, having a resistance R k = 1/D k , placed in series. Using Eq. (7), we obtain the “serial resistors” self-diffusivity D eff SR = 6.5×10 -10 m 2 /s which drastically ...
31
Development of operando solid-state Nuclear Magnetic Resonance Spectroscopy (ssNMR) for metal-oxygen batteries
... monitor the structural and electronic changes in M-O 2 upon cycling and to obtain valuable insights on the transition of chemical phases. To this aim, we recently designed an operando cell dedicated to metal-O 2 ...
3
Nuclear Magnetic Resonance Signature of the Spin-Nematic Phase in LiCuVO4 at High Magnetic Fields
... performed NMR experiments on a high-quality LiCuVO 4 single crystal in pulsed magnetic fields up to 55 T providing access to the saturation fields not only for H k c, but also for the perpendicular, H k b, ...
7
Local Nuclear Magnetic Resonance Spectroscopy with Giant Magnetoresistive Sensors
... 2.4 GMR sensors for NMR 2.4.1 Lithographic process An important work during this thesis was devoted to sensors fabrication. For this, I used some techniques which are specific to the nanotechnologies environment. ...
169
Homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies
... 230 R. Sidi-Boulenouar et al.: SHS NMR coils 3.4 Numerical resolution aspects The angle solutions of Eq. (7) are obtained using a numeri- cal resolution tool. Nevertheless, for a large number of vari- ables, the ...
9