نتایج جستجو برای: immiscibility
تعداد نتایج: 392 فیلتر نتایج به سال:
Binary and ternary self-assembled monolayers (SAMs) adsorbed on gold nanoparticles (NPs) have been previously studied for their propensity to form novel and unexpected patterns. The patterns found were shown to arise from a competition between immiscibilty of unlike surfactants and entropic gains due to length or other architectural differences between them. We investigate patterns self-assembl...
A recoverable catalyst that simultaneously stabilizes emulsions would be highly advantageous in streamlining processes such as biomass refining, in which the immiscibility and thermal instability of crude products greatly complicates purification procedures. Here, we report a family of solid catalysts that can stabilize water-oil emulsions and catalyze reactions at the liquid/liquid interface. ...
We develop theory for a two-component miscible dipolar condensate in planar trap. Using numerical solutions and variational we solve the excitation spectrum identify regimes where density- spin-roton excitations are favored. characterize various instabilities that can emerge this system over wide parameter regime present results stability phase diagram. Importantly allows us to novel roton-immi...
Due to the immiscibility of He into He at very low temperatures, mixed helium droplets consist of a core of He atoms coated by a He layer whose thickness depends on the number of atoms of each isotope. When these numbers are such that the centrifugal kinetic energy of the He atoms is small and can be considered as a perturbation to the mean-field energy, a novel shell structure arises, with mag...
Cell membranes display a tremendous complexity of lipids and proteins designed to perform the functions cells require. To coordinate these functions, the membrane is able to laterally segregate its constituents. This capability is based on dynamic liquid-liquid immiscibility and underlies the raft concept of membrane subcompartmentalization. Lipid rafts are fluctuating nanoscale assemblies of s...
Experimental liquid-liquid equilibria of the water-acetic acid-butyl acetate system were studied at temperatures of 298.15±0.20, 303.15±0.20 and 308.15±0.20 K. Complete phase diagrams were obtained by determining solubility and tie-line data. The reliability of the experimental tie-line data was ascertained by using the Othmer and Tobias correlation. The UNIFAC group contribution method was use...
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