Nanoscale morphologies that are possible for peptide assemblies: (a) nanofibers, (b) nanosheets, and (c) nanoparticles, imaged by TEM (a and c) or AFM (b). The cross-section in Panel b shows the nanosheet thickness. Scale bars in Panels a, b, and c correspond to 50 nm, 200 nm, and 500 nm, respectively. Reprinted with permission from Reprinted with permission from Cormier, A. R.; Pang, X.; Zimmerman, M. I.; Zhou, H.-X.; Paravastu, A. K. Molecular structure of RADA16-I designer self-assembling peptide nanofibers. ACS Nano
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136, 4300–4308. Copyright 2014 American Chemical Society. Tian, Y.; Zhang, H. V.; Kiick, K. L.; Saven, J. G.; Pochan, D. J. Transition from disordered aggregates to ordered lattices: kinetic control of the assembly of a computationally designed peptide. Org. Biomol. Chem.
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