منابع مشابه
Softening of phospholipid membranes by the adhesion of silica nanoparticles--as seen by neutron spin-echo (NSE).
The interactions between nanoparticles and vesicles are of significant interest both from a fundamental as well as from a practical point of view, as vesicles can serve as a model system for cell membranes. Accordingly the effect of nanoparticles that bind to the vesicle bilayer is very important with respect to understanding their biological impact and also may shed some light on the mechanism...
متن کاملSpin echo NMR spectra without J modulation.
The spin echo is the single most important building block in modern NMR spectroscopy, but echo modulation by scalar couplings J can severely complicate its use. We show for the first time that a general but unacknowledged solution to such complications already exists.
متن کاملQuantitative Neutron Dark-field Imaging through Spin-Echo Interferometry
Neutron dark-field imaging constitutes a seminal progress in the field of neutron imaging as it combines real space resolution capability with information provided by one of the most significant neutron scattering techniques, namely small angle scattering. The success of structural characterizations bridging the gap between macroscopic and microscopic features has been enabled by the introducti...
متن کاملConcepts and Engineering Aspects of a Neutron Resonance Spin-Echo Spectrometer for the National Institute of Standards and Technology Center for Neutron Research
Following a brief introduction, the Neutron Resonance Spin-Echo (NRSE) principle is discussed classically in Sec. 2. In Sec. 3, two idealized 4-coil NRSE spectrometers are discussed (one using single π-flipper coil units and one using paired "bootstrap" coils); some idealized (exact π-flip) expressions are given for the spin-echo signal and some theoretical limitations are discussed. A more qua...
متن کاملDensity matrix simulations of the effects of J coupling in spin echo and fast spin echo imaging.
A computer simulation has been used to calculate the effects of J coupling on the amplitudes of echoes produced by CPMG sequences. The program computes the evolution of the density matrix for different pulse intervals and can predict the signals obtainable from spin systems of any size and complexity. Results from the simulation confirm the prediction that a decrease in the effects of J couplin...
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ژورنال
عنوان ژورنال: Journal of large-scale research facilities JLSRF
سال: 2015
ISSN: 2364-091X
DOI: 10.17815/jlsrf-1-34