[PDF] Top 20 Nuclear magnetic resonance applied to the study of single crystals

... a nuclear magnetic resonance study of Rochelle Salt to test this existing hydrogen-bond ...time study might lead to a value of the height of the potential barrier separating the ... See full document

... These documents are made available for personal study and research purposes only, in accordance with the Canadian Copyright Act and the Creative Commons license—CC BY-NC-ND (Attribution[r] ... See full document

... Pound* a two coil i-ethod is not always convenient as it entails a duplication of radiafrequenqy pow^r sources to feed the two coils* and sons difficulty in design of sample head to allow for the winding of two ... See full document

... the study of electron-hole asymmetry should meet the following criteria: (1) substitution takes place at only one crystallographic site, (2) the material can be tuned from electron-doped to hole-doped by varying ... See full document

... the magnetic field and temperature dependencies on the characteristic times of the ...The study was done using samples with different geometries and configurations between the SAW pulses and the direction ... See full document

... database study of the compounds in the Cambridge Structure Database [1] is given in Figure ...organic, single crystal structures in which 3D coordinates had been determined and no disorder was ... See full document

... The magnetic properties o f the 60K (oxygen deficient) phase are very d ifferent from the 90K (fully oxygenated) ...a single static susceptibility x0, that describ ed the whole ... See full document

... previous study (32), and this is accounted for by differences in the nutritional prepara- ...the study, carbohydrate intake was lower in the present study (33 kcal/kg per d with 50% carbohy- drate ... See full document

... In macromolecular solutions, the water can be considered as existing in several compartments: free (bulk) water, hydrated water and tightly bound (or internal) water [22]. The hydrated water is deemed to be the water ... See full document

... Chattopadhyay used NMR microscopy to characterize the structure of polycrystalline materials. Others did research on time-independent point-spread functions and high-gradient NMR microscopy (12)(13). McFarland also did ... See full document

... suitable single crystals for X-ray ...high-quality crystals are available, the single-crystal XRD data are typically collected at a temperature much lower than what is used for the ... See full document

... Table 7.3: Results of fitting a Lorentzian lineshape to the SnIV resonance and a Gaussian lineshape to the SnII resonance in the 119Sn static spectra of the variable firing temperature 5[r] ... See full document

... Evaluation study – 256 men and women without overt coronary disease, r: median values, s: Pravastatin Limitation of Atherosclerosis in the Coronary Arteries trial – 154 men and women with coronary heart disease, ... See full document

... spectrometers). 27 In liquids, the polarisation step of the DNP experiment is often carried out in a lower field, where saturation is possible, and then the sample is flowed into the high field for high-resolution ... See full document

... 4.5olO^*/cuCn depending on whether one uses 0.20 or 0.25 as the fa ctor in equation 2 .4 .1 . Therefore the donor d e n sitie s in samples D and E are an order of magnitude below th at expected for m e ta llic ... See full document

... fields applied parallel to the [0001] and [101 ̅ 0] ...current magnetic susceptibility ...several magnetic phases, including ferromagnetic cone, ferromagnetic fan, and c axis–modulated phases, exist ... See full document

... Contrasting substances alter relaxation times (Dikson and Ekstrand, 1982). By virtue of this change, uptake, turnover, and clearance (washout) of the tracer can be observed in the same way as used in nuclear ... See full document

... IC50 is concentration of antioxidant required to quench 50% of the initial radical, which can be applied to evaluate antioxidant capacity of different substrates. IC50 values of S-L for DPPH and hydroxyl radical ... See full document

... the study of articular cartilage is that cartilage is a key site for both the initiation and progression of osteoarthritis (OA), which is a highly prevalent age-related condition for which the treatment for the ... See full document

... Abstract Static nuclear magnetic resonance NMR techniques have been used to study the magnetic hyperfine interactions of 63Cu and 89Y nuclei in the superconducting T=1.5K.. and normal T=[r] ... See full document