نتایج جستجو برای: amphiphiles
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Vesicles formed in water by synthetic macro-amphiphiles have attracted much attention as nanocontainers having properties that extend the physical and chemical limits of liposomes. We sought to develop ABA block copolymeric amphiphiles that self-assemble into unilamellar vesicles that can be further oxidatively destabilized. We selected poly(ethylene glycol) (PEG) as the hydrophilic A blocks, o...
Integral membrane proteins (IMPs) are crucial cellular components, mediating the transfer of material and signals between the environment and the cytoplasm, or between different cellular compartments. Structural and functional analysis of IMPs is important; more than half of current pharmaceutical agents target proteins in this class. IMP characterization is often challenging, and sometimes imp...
The elongated shape of linear, worm-like, micelles is among the most common aggregation geometries of amphiphilic molecules in aqueous solutions. The cylindrical body of these uni-dimensional micelles can be regarded as an intermediate packing geometry, of a higher growth dimensionality than that of a spherical micelle and lower than that of a planar bilayer. In all these three canonical struct...
The self-assembly of macromolecular brushes of varying amphiphilic character from homogeneous solution under rapid assembly conditions results in unique morphologies, distinct from equilibrium structures. Kinetic features of the assembly process enabled the formation of toroid structures, the sizes of which were readily tuned according to solvent quality.
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