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Ponzio F, Payamyar P, Schneider A, et al. Polydopamine Films from the Forgotten Air/Water Interface. J Phys Chem Lett. 2014;5(19):3436-40doi: 10.1021/jz501842r.
Ponzio, F., Payamyar, P., Schneider, A., Winterhalter, M., Bour, J., Addiego, F., Krafft, M. P., Hemmerle, J., & Ball, V. (2014). Polydopamine Films from the Forgotten Air/Water Interface. The journal of physical chemistry letters, 5(19), 3436-40. https://doi.org/10.1021/jz501842r
Ponzio, Florian, et al. "Polydopamine Films from the Forgotten Air/Water Interface." The journal of physical chemistry letters vol. 5,19 (2014): 3436-40. doi: https://doi.org/10.1021/jz501842r
Ponzio F, Payamyar P, Schneider A, Winterhalter M, Bour J, Addiego F, Krafft MP, Hemmerle J, Ball V. Polydopamine Films from the Forgotten Air/Water Interface. J Phys Chem Lett. 2014 Oct 02;5(19):3436-40. doi: 10.1021/jz501842r. Epub 2014 Sep 24. PMID: 26278460.
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J Phys Chem Lett. 2014 Oct 02;5(19):3436-40. doi: 10.1021/jz501842r. Epub 2014 Sep 24.

Polydopamine Films from the Forgotten Air/Water Interface.

The journal of physical chemistry letters

Florian Ponzio, Payam Payamyar, Anne Schneider, Mathias Winterhalter, Jérôme Bour, Frédéric Addiego, Marie-Pierre Krafft, Joseph Hemmerle, Vincent Ball

Affiliations

  1. †Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche 1121, 11 rue Humann, 67085 Strasbourg Cedex, France.
  2. ‡Department of Materials, Laboratory of Polymer Chemistry, ETH Zürich, Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland.
  3. §School of Science and Engineering, Campus Ring, Molecular Life Science Research Center, Jacobs University Bremen, D-28759 Bremen, Germany.
  4. ?Centre de Recherche Public Henri Tudor, Advanced Materials and Structures, ZAE Robert Steichen, 5 rue Bommel, L4940 Hautcharage, Luxembourg.
  5. ?Centre National de la Recherche Scientifique, Institut Charles Sadron, Unité Propre 22, 23 Rue du Loess, 67034 Strasbourg Cedex 2, France.
  6. #Faculté de Chirurgie Dentaire, Université de Strasbourg, 8 rue Sainte Elisabeth, 67000 Strasbourg, France.

PMID: 26278460 DOI: 10.1021/jz501842r

Abstract

The formation of polydopamine under mild oxidation conditions from dopamine solutions with mechanical agitation leads to the formation of films that can functionalize all kinds of materials. In the absence of stirring of the solution, we report the formation of polydopamine films at the air/water interface (PDA A/W) and suggest that it arises from an homogeneous nucleation process. These films grow two times faster than in solution and can be deposited on hydrophilic or hydrophobic substrates by the Langmuir-Schaeffer technique. Thanks to this new method, porous and hydrophobic materials like polytetrafluoroethylene (PTFE) membranes can be completely covered with a 35 nm thick PDA A/W film after only 3h of reaction. Finally the oxidation of a monomer followed by a polymerization in water is not exclusive to polydopamine since we also transferred polyaniline functional films from the air/water interface to solid substrates. These findings suggest that self-assembly from a solution containing hydrophilic monomers undergoing a chemical transformation (here oxidation and oligomerization) could be a general method to produce films at the liquid/air interface.

Keywords: membranes; polydopamine; self-assembly; surface functionalization

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