Results 161 to 170 of about 543,167 (217)

Transient pH changes drive vacuole formation in enzyme-polymer condensates. [PDF]

Nat Chem Eng
Modi N, Nimiwal R, Liao J, Li Y, Bishop KJM, Obermeyer AC.   +5 more
europepmc   +1 more source

Dynamics of phase separation in non-local elastic networks.

Soft Matter
Paulin OW, Qiang Y, Zwicker D.
europepmc   +1 more source

Spinodal decomposition in gels

Physical Review E, 1999
We construct a Ginzburg-Landau model for gels undergoing spinodal decomposition in terms of the polymer volume fraction and a deformation tensor. We numerically demonstrate that the domain growth is extremely slowed down in late stages, where the surface tension force, which drives the coarsening in usual fluids, is cancelled by the elastic force.
A. Onuki, S. Puri
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Surface-Directed Spinodal Decomposition

Physical Review Letters, 1991
The spinodal decomposition of mixtures of poly(ethylenepropylene) (PEP) and perdeuterated poly-(ethylenepropylene) has been studied near the surface using forward-recoil spectrometry. Instead of the composition waves with randomly oriented wave vectors (and random phases) found in the bulk, we observe composition waves with wave vectors normal to, and ...
, Jones, , Norton, , Kramer, , Bates, , Wiltzius   +4 more
openaire   +2 more sources

Spinodal decomposition in binary mixtures

Physical Review E, 1996
We study the early stage of the phase separation of a binary mixture far from its critical point of demixing. Whenever the mixture of two mutually repulsive species is quenched to a temperature below its critical point of miscibility, the effect of the enthalpic repulsive force prevails upon the entropic tendency to mix, so that the system eventually ...
MAURI, ROBERTO, SHINNAR R, TRIANTAFYLLOU G.   +2 more
openaire   +3 more sources

Spinodal decomposition in a polymer solution

Physical Review A, 1992
The spinodal decomposition in a critical mixture of polydimethylsiloxane--diethyl carbonate was investigated by a time-resolved light-scattering technique, focusing especially on the early and the intermediate stages of phase separation. The most essential characteristics of this system are that both the refractive index and the density of the solvent ...
, Kuwahara, , Kubota
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On spinodal decomposition

Acta Metallurgica, 1961
Abstract The stability of a solid solution to all infinitesimal composition fluctuations is considered, taking surface tension and elastic energy into account. It is found that for infinite isotropic solids, free from imperfections the spinodal marks the limit of metastability to such fluctuations only if there is no change in molar volume with ...
openaire   +1 more source

Spinodal decomposition of a crystal surface

Physical Review A, 1992
A phenomenological equation of motion for an unstable planar crystalline interface is derived and used to describe the early stages of hill and valley formation. We calculate the critical wave number for the growth of instabilities and the scattering structure function.
, Stewart, , Goldenfeld
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Spinodal decomposition in a binary fluid

Physical Review Letters, 1993
Light scattering has been used to study a mixture of 3-methylpentane and nitroethane undergoing spinodal decomposition. The scattered intensity has been measured in absolute units allowing the first test or theory with no adjustable parameters. The measured structure factor does not evolve according to theory even when the initial fluctuations are ...
, Bailey, , Cannell
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Spinodal decomposition in polymer mixtures

Physical Review Letters, 1989
We present the first numerical study of spinodal decomposition in polymer mixtures in three dimensions for the Flory--Huggins--de Gennes free energy, numerically integrating the time-evolution equations for the conserved order parameter. We study the time dependence of the domain size as well as the pair correlation function and structure factors for ...
, Chakrabarti, , Toral, , Gunton, , Muthukumar   +3 more
openaire   +2 more sources