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Updated: Feb 8, 2026

Assembly of Gold Nanorods into Chiral Plasmonic Metamolecules Using DNA Origami Templates
Published on: March 5, 2019
Chirality Enhancement of Porphyrin Supramolecular Assembly Driven by a Template Preorganization Effect
Massimiliano Gaeta1, Domenica Raciti1, Rosalba Randazzo1
1Department of Chemical Sciences, Università degli Studi di Catania, Viale A. Doria, 6, 95125, Italy.
Abstract:
Cationic polylysine promotes, under neutral conditions, the spontaneous aggregation of opposite charged ZnTPPS in water. Spectroscopic investigations evidence a different preorganization of ZnTPPS onto the polypeptide matrix depending on the chain length. Spinodal decomposition theory in confined geometry is used to model this mechanism by considering the time evolution of a homogeneous distribution of randomly adsorbed particles (porphyrins) onto a rodlike polyelectrolyte (polymer) of variable length L.
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