NMR relaxation
Study on Multi Exponential Inversion Method for NMR Relaxation Signals with Tikhonov Segularization
... is updated to stabilize this numerical inversion problem. We demonstrate the method for automatically choosing the optimal value of the regularization parameter. Exam- ple analyses are presented using both synthetic data ...
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Unraveling the complexity of protein backbone dynamics with combined 13C and 15N solid state NMR relaxation measurements
... from relaxation measurements (and thus reporting generally on o4 ns motions; light green) 36 and from residual dipolar couplings (RDC) measurements (and thus reporting on motions up to ms–ms timescale; dark ...
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The effect of phospholipid vesicles on the NMR relaxation of water: an explanation for the MR appearance of the neurohypophysis?
... Finally, we have shown that the presence or absence of vasopressin in solution or within the aqueous core of the vesicles does not affect the MR signal even at vasopressin concentrations[r] ...
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Hydraulic characterisation of iron oxide coated sand and gravel based on nuclear magnetic resonance relaxation mode analyses
... The NMR measurement observes the exchange of energy between stimulated proton spins of the pore fluid and the pore walls and thereby provides a proxy for pore surface-to-volume ratios, ...Moreover, NMR ...
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Reaction of Oxidized CuZnSOD with Polyphenols
... on NMR relaxation by the enzyme in the absence of ...the NMR relaxation activity of the 1 containing sample was ~67% that of the ...lost relaxation activity, although at a lower rate ...
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An NMR study of porous rock and biochar containing organic material
... Proton NMR Relaxation (NMRR) and NMR Cryoporometry (NMRC) ...proton NMR relaxation to characterise the quantity and mobility of hydrocarbon matter in dried shale and carbonate rock and ...
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NMR and Rheological Study of Anion Size Influence on the Properties of Two Imidazolium-based Ionic Liquids
... will have a cooperative global correlation time giving rise to an effective combined single NMR relaxation time. As the temperature increases, the aggregates will diffuse faster and entropic forces will ...
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Salt enhanced solvent relaxation and particle surface area determination via rapid spin-lattice NMR
... through NMR relaxation, there has been little progression within this ...an NMR relaxation study on nega- tively charged sulphate-stabilised polystyrene latex nanoparticles (466 nm) in the ...
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►▼ Show Figures
... the relaxation spectra of water components at moisturizing spruce wood and apparent diffusion coefficients measured in one dimensional PFG NMR experiments on wood with different orientation of the samples ...
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Understanding NMR relaxometry of partially water saturated rocks
... forward-modeled NMR response of a partially saturated system of pores (a pore size ...the NMR relaxation time of a single water-filled capil- lary pore is inversely proportional to its ...
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Characterization of microstructural changes on electroacupuncture induced rat skeletal muscle by low field NMR and microscope image
... (NMR) relaxation technique, and microscope image analysis technique, as well the muscle mass and density measurements to characterize the muscle microstructural ...
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High superconducting anisotropy and weak vortex pinning in Co doped LaFeAsO
... The experimental evidence includes i the absence of a coherence peak and the observation of a power law in the nuclear magnetic resonance NMR relaxation rate within the superconducting s[r] ...
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A nuclear magnetic resonance study of water in aggrecan solutions
... the relaxation times or diffusion coefficient and relating them to the known composition, functional status or mechanical properties of ...the NMR relaxation times will reflect an average of all the ...
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Characterization of protein–protein interfaces in large complexes by solid state NMR solvent paramagnetic relaxation enhancements
... solid-state NMR after they were prepared in the required solid form, ...between relaxation rates and dopant concen- trations under the conditions and concentrations explored in this ...
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Increasing the sensitivity of NMR diffusion measurements by paramagnetic longitudinal relaxation enhancement, with application to ribosome–nascent chain complexes
... typical NMR measurements, the majority of spec- trometer time ( [ 90 %) is devoted to the inter-scan recov- ery delay, during which no new data is actively acquired but in which the sample magnetization slowly ...
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Assignment of the 1H and 13C NMR spectra of 2-aminobenzamide-labeled galacto- and arabinooligosaccharides
... C NMR spectra of the 2AB- labeled oligogalactoses were analyzed by HSQC and HMBC spectroscopy. The HMBC spectra (Fig. 5) gave cor- relations between H-1 of residue T and C-4 of residue E, H- 1 of residue E and C-4 ...
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Modern NMR Pulse Sequences in Pharmaceutical R & D
... This stimulated echo approach spatially encodes the magnetization and stores it along the z- axis. Spatial encoding with gradients uses the bipolar pulse pair (BPP) sequence, which minimizes deuterium lock signal ...
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Structural variations in hyperbranched polymers prepared via thermal polycondensation of lysine and histidine and their effects on DNA delivery
... a DPX400 Ultrashield spectrometer (from Bruker, UK). The chemical shifts were recorded as parts per million ( δ ) relative to the referenced shifts of residual solvent resonances. All the samples were prepared in ...
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“A Technique Expanding the Limits of Structure Elucidation: LC-NMR” by Vishalkumar Shashikant Modi, Shababano Shafiq Siddique, Parixit Rohitbhai Prajapati, Tarasankar Basuri, Dimpi Rajesh Patel, India.
... analytical NMR flow-cell was originally developed for continuous-flow NMR procurement, but the need to determine complete structural assessment of unknown compound led to the development and usage of the ...
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Strategies to manage patients with dental anxiety and dental phobia: literature review
... mountains, lake, or a safe place, and should be engaging and customized to each patient. Patients can be allowed to choose their own mental image or they can be guided by using scripts by the dentist. They are instructed ...
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