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Ronit Bitton, Lesley W. Chow, R. Helen Zha, Yuri S. Velichko, E. Thomas Pashuck and Samuel I. Stupp Electrostatic Control of Structure in Self-Assembled Membranes Small 10

Version of Record online: 11 SEP 2013 | DOI: 10.1002/smll.201300254

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Hierarchical self-assembly of heparin-binding peptide amphiphiles with oppositely charged, high molecular weight polyelectrolytes at the solution interface depends strongly on aggregation strength. Strong aggregation of peptide amphiphiles with polyelectrolytes leads to micron-thick membranes with aligned nanofibers (right), while weak aggregation leads to non-fibrous membranes containing cubic symmetry and nanoscale periodicities (left).

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