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Mimicking the chemistry of natural eumelanin synthesis: the ke sequence in polypeptides and in proteins allows for a specific control of nanosized functional polydopamine formation

Bergtold, Camille ; Hauser, Daniel ; Alain Chaumont ; El Yakhlifi, Salima ; Mateescu, Mihaela ; Meyer, Florent ; Metz-Boutigue, Marie-Hélène ; Benoît Frisch ; Schaaf, Pierre ; Ihiawakrim, Dris ; Ersen, Ovidiu ; Monnier, Christophe A. ; Petri-Fink, Alke ; Rothen-Rutishauser, Barbara ; Ball, Vincent

In: Biomacromolecules, 2018, vol. 19, no. 9, p. 3693–3704

The oxidation of dopamine and of other catecholamines leads to the formation of conformal films on the surface of all known materials and to the formation of a precipitate in solution. In some cases, it has been shown that the addition of additives in the dopamine solution, like certain surfactants or polymers, polyelectrolytes, and certain proteins, allows to get polydopamine nanoparticles...