NMR experiments
Auto offsetting and referencing in biomolecular NMR experiments
... dimensional NMR experiments greatly simpli- fied and ...of experiments at different times and the data (chemical shifts, for example) need to be com- pared with each ...
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Modelling and upscaling of transport in carbonates during dissolution: validation and calibration with NMR experiments
... Figure 1: A reactive transport experiment where HCl solution is injected through a core of Ketton limestone core. Flow channels are formed due to solid dissolution. The figures depict (a) the dimension of the core, and ...
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Sensitivity improvement in 5QMAS NMR Experiments Using FAM N Pulses
... 5QMAS experiments, and specifically to the conversion of 5Q ...5/2) NMR spectroscopy of silicate minerals (where sensitivity is often a major challenge, even when isotopic enrichment is possible) and 45 Sc ...
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Predictions for pulsed-field-gradient NMR experiments of diffusion in fractal spaces
... Previous attempts (Banavar et al. 1985; Jug 1986; K¨ arger & Vojta 1987; K¨ arger et al. 1988; Widom & Chen 1995) to address the issue of the form of the NMR signal decay, S(q, ∆), due to fractional ...
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Modelling and upscaling of transport in carbonates during dissolution: validation and calibration with NMR experiments
... At the heart of PTM-CTRW is the correct choice of transit-time dis- tribution ψ(t). In their pore-scale simulation, Rhodes et al. (2008) em- ployed two types of transit-time distribution, one derived from the ...
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Experimental tests of polymer reptation : a thesis presented in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Physics at Massey University
... double-PGSE NMR experiments in which the two pairs of pulses are applied successively in the z-z directions and z-x directions gives one insight regarding the character of any anisotropic ...
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►▼ Show Figures
... PFG NMR experiments on wood with different orientation of the samples to the magnetic field or different direction of gradients produce valuable information about microstructure giving an estimation of cell ...
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Chemical and morphological characterization of sugarcane bagasse submitted to a delignification process for enhanced enzymatic digestibility
... C NMR experiments were carried out in a Varian Inova spectrometer (Varian, Palo Alto, CA, USA) at 13 C and 1 H frequencies of ...the experiments were carried out at spinning frequencies of 5 kHz, ...
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Multifunctional host defense peptides: functional and mechanistic insights from NMR structures of potent antimicrobial peptides
... In addition to the inner phospholipid membrane, Gram-negative bacteria contain an outer mem- brane that acts as a permeability barrier against hydrophobic antibiotics, host defense antimicrobial peptides, and other ...
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How does ytterbium chloride interact with DMPC bilayers?:A computational and experimental study
... We have shown above that the membrane thickness changes little, possibly suggesting a small change in the conformation of the lipids, to accommodate the increased ordering of the aliphatic chains. However, one would ...
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Towards understanding the ultra-fast dynamics of Rhodopsin
... To fix the parameters of our model, we use measured vibration frequencies and we are aided by recent NMR experiments and ab initio calculations which indicate the st[r] ...
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Integrating calculation and experiment : developing processes and tools for NMR crystallography of organic solids
... Solid-state NMR has developed significantly since the first NMR experiments in the condensed phase, published independently by Purcell (4 ) and Bloch (5 ) in ...solid-state NMR is an ...
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Quantitative Analysis of Relaxation Rate Dependence on Interecho Time in MagA-expressing, Iron-labeled Cells
... Performing NMR experiments on these gene-based iron-labeled cells provides a method to study the MR properties of these cells under experimental conditions that are more ideal ...from NMR can then ...
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Interaction of the Escherichia coli replication terminator protein (Tus) with DNA: a model derived from DNA binding studies of mutant proteins by surface plasmon resonance
... There is no physical datum that compares the structure of Tus when bound nonspecifically with that in the complex with TerB. There is some evidence for a difference between free Tus and Tus in the latter complex. ...
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Probing quantum confinement at the atomic scale with optically detected nuclear magnetic resonance
... ONMR experiments with Larmor beat detection (LBD), and discuss experimental procedures developed for their most effective ...modern NMR experiment, such as static and rf magnetic field sources and a ...
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New Directions for Solid-State NMR of Insensitive Nuclei: Applications to Metal Nuclei in Inorganic Materials
... of NMR spectra is often difficult, particularly when multiple, overlapping powder patterns are ...of NMR tensors to structural features, and the influence of local and long-range interactions on NMR ...
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Solid-State NMR Spectroscopy of Unreceptive Nuclei in Inorganic and Organic Systems
... quadrupolar coupling constants (previously determined by NQR to be 91.26, 119.58, and 152.46 MHz for X = I, Br, and Cl, respectively). 13 The 209 Bi SSNMR spectra of the BiOX samples and associated simulations are shown ...
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Deuteriohalogenation of norbornene via organoborane
... Figurel9 Figure 20 The NMR Splitting Pattern of Proton a to the Iodide in NMR Spectrum which Two Signal at 8 3.99 in NMR Spectrum Signal at Labeled Figure 22 8 3.99 in NMR Sectrum of BI3[r] ...
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An NMR study of porous rock and biochar containing organic material
... Proton NMR is selected to study the labile fraction in the biochar, rather than carbon NMR - partly because proton NMR offers a far higher sensitivity than Carbon NMR, enabling the measurement ...
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Towards homonuclear J solid state NMR correlation experiments for half integer quadrupolar nuclei : experimental and simulated 11B MAS spin echo dephasing and calculated 2JBB coupling constants for lithium diborate
... simulation details and results: the effect of changing the dipolar coupling; the effect of including/ omitting the 180 pulse for first- and second-order quadrupolar interactions; the dependence of NMR spin-echo ...
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