Inspired by nature: self-assembled peptide nanoparticles have been designed that accelerate ester hydrolysis (see picture; Cbz=carbobenzyloxy, NP=p-NO(2)-C(6) H(4)). The concerted interplay of the multivalent surface with the catalytically active peptide and the substrate at the same time combines several aspects decisive for the catalyst's efficiency, a property characteristic of enzymes.
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Stodulski et al. (2012) studied this question.