nuclear magnetic resonance system
Analysis of Nuclear Magnetic Resonance Force Microscopy
... Different versions are being developed, but all are based on cantilever os- cillation measurements by magnetic flux detection using a SQUID [7]. This as opposed to cantilever oscillation optically detected via ...
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Apsu: a wireless multichannel receiver system for surface nuclear magnetic resonance groundwater investigations
... receiver system Apsu operating independently of a transmit- ter is shown in ...receiver system to an independently op- erating transmitter system by detecting the turn-on time and waveform of NMR ...
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Spin dynamics of pulsed nuclear magnetic double resonance in solids
... -29- CHAPTER 4 NUCLEAR MAGNETIC DOUBLE RESONANCE PHASE INTERFEROMETRY: RELAXATION TIMES FOR DIPOLAR FORBIDDEN TRANSITIONS AND OFF-RESONANCE EFFECTS IN AN AX SPIN SYSTEM Chapter 4 is esse[r] ...
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Cardiovascular nuclear magnetic resonance: basic and clinical applications
... the basis of most modern imaging techniques. Sup- posedly to avoid confusion with nuclear medicine, the clinical NMR imaging tool became known as magnet- ic resonance imaging (MRI) in the late 1970s. In ...
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Nuclear magnetic resonance applied to the study of single crystals
... ’lock-in1 amplifier, where it is mixed with a sinusoidal voltage at the modulation frequency. By shifting the main field HQby known amounts it is then possible to plot the output of the lock-in amplifier against the ...
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Optimization Of Nuclear Magnetic Resonance Spectroscopy Methods For Measuring Protein Hydration In Reverse Micelles
... reproducibly and stably (115, 116). Bis-(2-ethylhexyl)sulfosuccinate (AOT) is an anionic surfactant and is, to date, one of the most studied reverse micelle systems. AOT reverse micelles do not require the addition of ...
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Nuclear magnetic resonance in some solid hydrocarbons
... rtght-hand side of the raok. The brass box containing part of the sample tuned olrcult can be seen mounted above the gap. The coaxial lines connecting It Into the R.P. bridge oan be seen leaving It and running over the ...
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Nuclear magnetic resonance microscopy
... The theoretical resolution limit of this system is about 20 μms. To quantitatively test this limit, a specific phantom will be created. It should be noted that since the diameter of the sample tube is 5 mm, it is ...
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Novel Methods for Force Detected Nuclear Magnetic Resonance
... The idea that the transverse field of a mechanical resonator can polarize N spins might at first glance seem surprising or implausible, since we would in general expect a resonant transverse field to rotate a ...
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NUCLEAR MAGNETIC RESONANCE IMAGING (MRI)
... static magnetic field gradients in NMR is an essential ingredient of all MM techniques 9-12 ...imaging system was completed by Hinshaw in 1977, yielding promising proton imaging results of human forearm and ...
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About the possibility of identification of hydrocarbon deposits with the help of NMR
... of nuclear magnetic resonance (NMR) application in tasks of search and exploration of hy- drocarbon ...weak magnetic field of the Earth were ...a system was examined and exam- ples of ...
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Fat and water signals in nuclear magnetic resonance imaging
... Longitudinal relaxation is generally an exponential process, but as multi- exponentiality is often expected (mainly due to partial volume effects) it would be most desirable to sample the relaxing magnetization several ...
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A nuclear magnetic resonance study of water in aggrecan solutions
... Aggrecan, a highly charged macromolecule found in articular cartilage, was investigated in aqueous salt solutions with proton nuclear magnetic resonance. The longitudinal and transverse relaxation ...
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The sequence determination of peptides by nuclear magnetic resonance spectroscopy
... The sequence of peptides has been determined using nuclear magnetic resona nce nmr spectroscopy by the measurement of a shifts of resonances of protons located near the N- and C-terminal[r] ...
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195-Platinum Nuclear Magnetic Resonance Spectroscopy17-23
... Theoretical inter- pretations of the chemical shifts have been only partially successful (6-9), but empirical predic- tions based upon the large available data base of Pt shifts [r] ...
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Nuclear magnetic resonance spectroscopy in diagnostic and investigative medicine
... 23, using a surface coil placed over a rat skull and newly developed methods for suppressing the water proton signal, were able to detect cerebral lactate, aspartate, glutamate, and gamm[r] ...
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Nuclear magnetic resonance in some hydrocarbons at low temperatures
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Multinuclear Solid-State Nuclear Magnetic Resonance Spectroscopy of Microporous Materials
... Metal–organic frameworks (MOFs) are a group of novel inorganic–organic hybrid porous materials. Because of their many unique properties including rich structural diversity, large surface area, tunable porosity, high ...
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I Multiple pulse radio frequency gradient nuclear magnetic resonance imaging of solids ; II Optical nuclear magnetic resonance analysis of epitaxial gallium arsenide structures
... thesis 20110224 2941 I Multiple Pulse Radio Frequency Gradient Nuclear Magnetic Resonance Imaging of Solids II Optical Nuclear Magnetic Resonance Analysis of Epitaxial Gallium Arsenide Structures Thes[.] ...
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Exploiting in-situ solid-state NMR spectroscopy to probe the early stages of hydration of calcium aluminate cement
... The CLASSIC NMR strategy used in the present study involved alternate recording of direct-excitation and MQMAS 27 Al NMR spectra during the in-situ time-resolved study of hydration of CAC, although (as discussed above) ...
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