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Liquid-liquid phase separation (LLPS) is well defined in the Biomolecular condensate page. LLPS databases cover different aspects of LLPS phenomena, ranging from cellular location of the Membraneless Organelles (MLOs) to the role of a particular protein/region forming the condensate state.
Phase separation is the creation of two distinct phases from a single homogeneous mixture. [1] The most common type of phase separation is between two immiscible liquids, such as oil and water. This type of phase separation is known as liquid-liquid equilibrium. Colloids are formed by phase separation, though not all phase separations forms ...
The Cahn–Hilliard equation (after John W. Cahn and John E. Hilliard) [1] is an equation of mathematical physics which describes the process of phase separation, spinodal decomposition, by which the two components of a binary fluid spontaneously separate and form domains pure in each component.
Experimental approaches include phase separation assays using bright-field imaging or fluorescence microscopy, and fluorescence recovery after photobleaching (FRAP), as well as rheological analysis of phase-separated droplets. [105] Computational approaches include coarse-grained molecular dynamics simulations and circuit topology analysis. [106]
In materials science, segregation is the enrichment of atoms, ions, or molecules at a microscopic region in a materials system. While the terms segregation and adsorption are essentially synonymous, in practice, segregation is often used to describe the partitioning of molecular constituents to defects from solid solutions, [1] whereas adsorption is generally used to describe such partitioning ...
The free energy curve is plotted as a function of composition for a temperature below the convolute temperature, T. Equilibrium phase compositions are those corresponding to the free energy minima. Regions of negative curvature (∂ 2 f/∂c 2 < 0 ) lie within the inflection points of the curve (∂ 2 f/∂c 2 = 0 ) which are called the spinodes.
The locus of these points (the inflection point within a G-x or G-c curve, Gibbs free energy as a function of composition) is known as the spinodal curve. [ 1 ] [ 2 ] [ 3 ] For compositions within this curve, infinitesimally small fluctuations in composition and density will lead to phase separation via spinodal decomposition .
A theoretical plate in many separation processes is a hypothetical zone or stage in which two phases, such as the liquid and vapor phases of a substance, establish an equilibrium with each other. Such equilibrium stages may also be referred to as an equilibrium stage, ideal stage, or a theoretical tray. The performance of many separation ...