词汇 | amphiphilic |
释义 | BETA Examples of amphiphilicamphiphilic isn’t in the Cambridge Dictionary yet. You can help! The concentration of amphiphilic polymers is 25 % (volume) compared to water. The figure on the right shows iso-density contours of the amphiphilic polymers. The amphiphilic particles segregated with the hydrophobic particles into droplets, but with the amphiphilic particles also spread in the droplet interface in a surfactant-like manner. The structures of these peptides are rather amphiphilic and, therefore, they most likely bind to the interface or form transmembrane oligomers. The micelle formation in amphiphilic solution is investigated by means of a molecular dynamics simulation of coarse-grained amphiphilic molecules with explicit solvent molecules. In this paper, we investigate the self-organization of amphiphilic molecules which are typical of soft matters. Self-assembly of amphiphilic molecules plays an important role in many biological and industrial processes. For example, there exist a critical concentration of amphiphilic molecules under which no micellation occurs. The observation that membranes can self-assemble from such amphiphilic components makes it plausible that membrane-bounded structures were present at the time of life's origin. If such inclusions have amphiphilic properties, they might contribute to the formation of stable holes that render cells permanently leaky, eventually leading to cell death. While for other amphiphilic molecules spherical or linear arrangements are also possible, most lipids have a preference for planar structures. Biochemical molecules can be divided into hydrophilic, amphiphilic and lipophilic molecules. Figure 4 shows snapshots from a simulation of amphiphilic polymers in an aqueous environment, resulting in the formation of bi-continuous (worm-like) structures. Fifteen years ago, it was not known whether amphiphilic molecules were also present in carbonaceous meteorites. Amphiphilic molecules contain both a hydrophilic part and a hydrophobic part. A random configuration of amphiphilic molecules in solution at high temperature is quenched to a lower temperature. Stacked bilayer helices : a new structural organization of amphiphilic molecules. A simple reaction kinetic model of a micellation process of amphiphilic molecules in water is then presented and solved analytically. The equilibrium distribution of sizes, measured by the number of amphiphilic molecules included in the aggregate, is another global observable. |
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