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Politics : Evolution -- Ignore unavailable to you. Want to Upgrade?

To: 2MAR$ who wrote (58179)	9/19/2014 7:23:39 AM
From: Solon	Respond to of 69300

That is a good link to have. Bookmarked it. astro.sunysb.edu Droplets and Boundary Layers How does self-assembly occur? • Certain materials are ambiphilic: they have a polar hydrophilic head and a hydrophobic tail. Hydrophilic materials can be dissolved in water. • Ambiphilic molecules added to water tend to stay on the surface with hydrophilic heads in the water, creating a single (or mono-) layer, i.e., a membrane. Formation of spheres, or micells, permits surface area and free energy reduction. In sufficient concentrations, ambiphilic molecules will form a double-layer structure, or bilayer. Spheres, or bilayer vesicles, will form. Lattimer, AST 248, Lecture 13 – p.8/20