Figure 23.

(a) General structure of amphiphilic diblock copolypeptoids (R₁ = lipophilic group, R₂ = hydrophilic group) (Refs. [58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,258]); (b) Proposed scheme for the formation of fibers of Npe₁₅Nce₁₅ in aqueous environment (green: hydrophobic block; red: hydrophilic block): the initially formed monolayers generate bilayers by interdigitating the hydrophobic fully extended chains, which in turn form the right-handed superhelices after further (not characterized) steps (reprinted with permission from Ref. [258]); (c) SEM image of a superhelix of Npe₁₅Nce₁₅ (reprinted with permission from Ref. [258]); (d) Chemical structures (hydrophilic chains in cyan and hydrophobic chains in blue; common centric star pivot in black), cartoon representations and AFM images with selected height profiles of hierarchical structures from aqueous self-assembly of TASS peptoids: ABB’-1 (left); ABB’-2 (middle); ABB’-3 (right) (adapted with permission from Ref. [259]).