Self assembly
Self-assembly is the assembly of molecules without guidance or management from an outside source. Self-assembly can occur spontaneously in nature, for example in cells (such as the self-assembly of the lipid bilayer membrane) and other biological systems, as well as in human engineered systems. It usually results in the increase in internal organization of the system.
Also, self-assembly is a manufacturing method used to construct things at the nanometer-scale. Many biological systems use self-assembly to assemble various molecules and structures. Imitating these strategies and creating novel molecules with the ability to self-assemble into supramolecular assemblies is an important technique in nanotechnology. Self-assembly involves a chemical process called convergent synthesis. Microchips of the future might be made by molecular self-assembly. An example of self-assembly in nature is the way that hydrophilic and hydrophobic interactions cause cell membranes to self assemble.
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See also: self-organization, nanotechnology
