منابع مشابه
X-ray Scattering Studies of Aligned, Stacked Surfactant Membranes.
X-ray scattering studies were performed to understand the structure and correlations in the lamellar phases of thick, freely suspeded films of (i) the hydrated phospholipid dimyristoylphosphotidylcholine (DMPC) and (ii) the ternar system consisting of the surfactant sodium dodecyl sulfate (SDS), cosurfactant (pentanol), and water. The films were drawn in a temperature- and humidity-controlled e...
متن کاملUltrafast X-ray Scattering from Molecules.
We present a theoretical framework for the analysis of ultrafast X-ray scattering experiments using nonadiabatic quantum molecular dynamics simulations of photochemical dynamics. A detailed simulation of a pump-probe experiment in ethylene is used to examine the sensitivity of the scattering signal to simulation parameters. The results are robust with respect to the number of wavepackets includ...
متن کاملX-ray Scattering from PHELIX Plasmas
Warm dense matter (WDM) is a regime where neither classical plasma physics nor condensed matter models are applicable. In the former this is because of the effects of strong coupling and degeneracy and the breakdown of the statistical averaging necessary for the Debye screening model. In the latter it is because the temperature at solid density is greater than a small fraction of the Fermi temp...
متن کاملInterpretation of the Small-Angle X-ray Scattering from Swollen and Oriented Perfluorinated Ionomer Membranes
Small-angle X-ray scattering (SAXS) and bulk volumetric measurements were performed on the perfluorinated ionomer membrane “Nafion”. The swelling experiments were conducted using controlled environments of different relative humidities. The membranes were oriented using uniaxial draw, both before and after conversion of the precursor material, as well as both sequential and simultaneous biaxial...
متن کاملX-Ray Diffuse Scattering
In this research program, modern x-ray scattering techniques are used to study the structures and phase transitions in novel states of condensed matter. We have two principal experimental facilities. At M.I.T. we have three high-resolution computer controlled x-ray spectrometers using either a conventional or high intensity rotating anode x-ray generator. The angular resolution can be made as f...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 1979
ISSN: 0006-3495
DOI: 10.1016/s0006-3495(79)85190-5