Nature has evolved ways to create exquisite nanostructures using biopolymers in a range of structural and functional materials. There is now much effort to exploit such optimized architectures in rationally designed nanomaterials. Peptides are attracting increasing attention as building blocks for the design of self-assembled nanostructures. We have been investigating the structure and properties of nanostructured block copolymers in which the recognition properties and responsiveness of biomimetic peptide sequences are modulated by incorporation of poly(ethylene glycol) (PEG) blocks in diblock and triblock architectures. Characterization of nanostructures in solution and in the solid state has been performed using small- and wide-angle scattering and electron microscopy. The focus in this abstract is on xray scattering characterization of solid state nanostructures.
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