Nmr Imaging
Continuous Wave NMR Imaging in the Solid State
... of NMR imaging techniques to the study of porous media poses additional challenges: the presence of paramagnetic impurities, susceptibility-induced field gradients and chemical shift anisotropies all result ...
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NMR Imaging of the Spine
... NMR proved capable of demonstrating important normal and pathologic anatomic structures; it was useful in the evaluation of syringohydromyelia and cystic spinal cord tumors, and the brig[r] ...
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NMR imaging of solids with multiple-pulse line narrowing and radiofrequency gradients
... Both the solenoid coil used to deliver the line-narrowing pulses and the quadrupole coil used to deliver the rf gradient pulses are part of series-tuned parallel-matched resonant circuit[r] ...
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NMR Imaging of low pressure, gas phase transport in packed beds using hyperpolarized xenon 129
... PFG NMR of imbibed liquids, are often ...PFG NMR to measure the distribution of bulk diffu- sivity divided by tortuosity in pellets of E3 found a reduced standard deviation of ...
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NMR Imaging in Pediatric Practice
... ommendation.5 This committee pointed out that the fourth phase is not always easily discernible and cites evidence that identification of “muffling” when training personnel to record blo[r] ...
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In vivo NMR imaging of tissue sodium in the intact cat before and after acute cerebral stroke
... In our experiments, an increase in the sodium concentration was detected as early as 9 hr after the ligation of the middle cerebral artery; we suspect that if the imaging had been perfor[r] ...
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Microscopic NMR imaging : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Physics at Massey University
... PGSE NMR exp12riment the diffusion of a bulk sampl e is ...n imaging exper iment on the magnet ization in the samp l e at thl2 t ime 2-z; (figure ...
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Cerebral NMR Imaging: Early Results with a 0 12 T Resistive System
... During the third period , when multiplanar sectioning became available in three planes transverse, coronal , and sagittal, again two head and neck tumor cases were unsuccessfully examine[r] ...
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Clinical NMR Imaging of the Brain: 140 Cases
... Correlation of NMR with CT In cerebral infarction within the hemispheres, NMR appearances generally paralleled those described for CT [21], exce pt that th e loss of gray-white matter co[r] ...
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Clinical NMR Imaging of the Brain in Children: Normal and Neurologic Disease
... The brain appears relatively featureless , except that in an infant of 31 weeks gestation examined at 5 weeks of age 36 weeks PMA and in one full-term infant examined at 2 weeks of age 4[r] ...
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Development of a Multi Nuclear CW NMR System with 3D Imaging Capabilities
... state NMR imaging which has been exploited in several techniques involves the application of sufficiently large magnetic field gradients to produce spatial localisation on the resonant spins, thereby ...
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RADIONUCLIDE IMAGING
... radionuclide imaging techniques do not depict structural anatomy like ultrasound, X-ray computed tomography (XCT) or conventional ...(NMR) imaging technique has shown its capability to probe organ ...
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An Open-Source 3D MR Image Visualization Toolkit
... The NMR [5] principal in simple words says that there are certain nuclei, in the nature that have an inherent spin ...for NMR imaging because of its abundance in biological tissue and its high ...
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NMR and Microorganisms
... Since most enzymes operate inside the cell, one would be quite interested in establishing their properties in situ, as opposed to properties determined from cellular extracts, homogenous solutions or even crystals. As ...
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SYNTHESIS AND CHARACTERIZATION OF NOBLE ANTICANCER DRUG OF CHITOSAN 5FU CONJUGATED FORMULATION
... ABSTRACT: Cancer is one of the emergings, and best-understood neoplasm’s from a genetic perspective, yet it remains the second most common cause of cancer-related death, indicating that some of its cancer cells are not ...
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FAST NMR
... The substantial gain in acquisition rate promised by this methodology has encouraged several groups to write single-scan versions of their pulse programs in order to observe, sometimes at Hertz rate, dynamic events ...
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NMR Crystallography
... La réciproque de ces deux propositions n’est pas vraie, au moins pratiquement, c’est-à-dire que les effets produits peuvent être plus symétriques que les causes.. 19 F isotropic chemic[r] ...
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Synthesis and spectroscopic studies of two novel proton transfer compounds containing (MoO4)2 ion
... NMR spectra The 1H NMR spectrum of the proton transfer compound, MoO4 H3NC4H8OH2, shows a sharp singlet band at 3.00 ppm s, 1 which be rationalized to the O—H proton.. The 1H NMR spectru[r] ...
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Biological Membrane Structure By Solid-State NMR
... solid-state NMR methods for determining the structure of biological membranes have developed along three ...carbon NMR methods have been widely used for the study of the structure and dynamics of biological ...
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DESIGN AND NMR SPECTROSCOPIC CHARACTERIZATION OF NOVEL HYBRID PEPTIDIC FOLDAMERS & APPLICATION OF RDCs AS ANISOTROPIC NMR PARAMETERS FOR PRECISE STRUCTURE DETERMINATION OF SMALL PEPTIDES IN ORGANIC SOLVENT MEDIA
... selectively derived. The anisotropy can be induced by orienting the molecules in a weakly aligning media, which leads to a non averaged rotational motion and makes the measurement of RDCs possible. This technique has ...
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