Polyelectrolytes to produce nanosized polydopamine - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue Journal of Colloid and Interface Science Année : 2016

Polyelectrolytes to produce nanosized polydopamine

Mihaela Mateescu
  • Fonction : Auteur
Marie-Hélène Metz-Boutigue
  • Fonction : Auteur
  • PersonId : 1069882
Philippe Bertani
  • Fonction : Auteur
Vincent Ball

Résumé

"Polydopamine" (PDA) is the oxidation product of dopamine and can be obtained as thin films covering the surface of all kinds of known materials and simultaneously as insoluble and useless precipitates from dopamine solutions in the presence of appropriate oxidants. The valorization of such precipitates to obtain stable suspensions of functional nanomaterials is highly desirable owing to the chemical and optical properties of PDA. We show that a vast repertoire of polyelectrolytes polycations as well as polyanions, allow to control the size of PDA particles in the 10-100 nm size range. Simultaneously to the production of smaller nanoparticles, a progressive inhibition of PDA deposition on the surface of quartz plates (as well as on the surface of the reaction vessel) is found as the concentration of the polyelectrolytes is increased in the dopamine solution. The mechanism of size control-inhibition of film deposition is investigated in the particular case of poly(allylamine) but remains not understood in the case of polyanions. Keywords: Composite nanoparticles; Polydopamine; Polyelectrolytes.
Fichier non déposé

Dates et versions

hal-03437509 , version 1 (19-11-2021)

Identifiants

Citer

Mihaela Mateescu, Marie-Hélène Metz-Boutigue, Philippe Bertani, Vincent Ball. Polyelectrolytes to produce nanosized polydopamine. Journal of Colloid and Interface Science, 2016, 469, pp.184-190. ⟨10.1016/j.jcis.2016.02.023⟩. ⟨hal-03437509⟩
9 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More