Auto-assemblage d'une protéine fongique, l'hydrophobine SC3, aux interfaces : Applications à l'élaboration de surfaces catalytiques

Abstract : The work performed in this thesis allowed understanding of the interfacial self-assembly of a fungal protein, SC3 hydrophobin, at a deeper mechanistic level. These fundamental studies were the starting point of an applied research on the possibilities of using hydrophobin as an agent retaining different molecules on solid surfaces. It was shown that enzymes, fullerene, calixarene and cyclodextrin derivatives could be immobilized on carbon, platinum, polytetrafluoroethylene, polystyrene or stainless steel surfaces, yielding functional materials. Moreover, it was shown that the SC3 hydrophobin with eight cystein sulfhydryl groups oxidized to sulfonates chelates cupric ions. The SC3-CuII incorporated in a lipid cubic phase deposited on electrodes formed a reversible, biomimetic redox system. The results obtained in this work show a way to easily manufacture stable surfaces with possible applications in electro-optical switching and electrochemical sensing.
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Yohann Corvis. Auto-assemblage d'une protéine fongique, l'hydrophobine SC3, aux interfaces : Applications à l'élaboration de surfaces catalytiques. Autre. Université Henri Poincaré - Nancy 1, 2005. Français. ⟨NNT : 2005NAN10187⟩. ⟨tel-01746956⟩

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