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Synthesis at different interfaces of bio-inspired films from mussels' byssus : influence of the oxidant nature at the solid/liquid interface and the addition of polymer at the air/water interface

Abstract : Polydopamine (PDA) materials are inspired from mussels’ byssus strong adhesion underwater. The oligomerization of dopamine in a basic medium allows forming a PDA coating on virtually any materials. In addition to the simplicity, ecofriendly and versatility of the deposition method, PDA has properties similar to those of melanin pigments and displays many outstanding properties. Thus PDAis widely used in energy, environmental and biomedical sciences. However design of PDA based new materials with tailored properties is a challenge since its structure is still unknown. In that sense one of the aims of this thesis is to gain knowledge in PDA structure-property relationship in order to design PDA materials with new properties. By choosing the appropriate oxidant we deposited thick and superhydrophylic films on any materials for the elaboration of low fouling and biocompatible surfaces. Additionally we discovered the possibility to form PDA films at the air/water interface. The investigation of this phenomenon led to the formation of stimuli responsive free standing membranes.
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Florian Ponzio. Synthesis at different interfaces of bio-inspired films from mussels' byssus : influence of the oxidant nature at the solid/liquid interface and the addition of polymer at the air/water interface. Theoretical and/or physical chemistry. Université de Strasbourg, 2016. English. ⟨NNT : 2016STRAE041⟩. ⟨tel-01673807v2⟩

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