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The characteristics of tetrapeptide tryptophan–valine–phenylalanine–tyrosine (WVFY) peptides
(A) The chemical structure of WVFY tetrapeptide.
(B) Top-view SEM image of the self-assembled WVFY nanostructured film by water vapor treatment at 60°C for 12 h. Scale bar: 10 μm.
(C) Circular dichroism spectra of WVFY films with (red) and without (black) assemblies.
