Multilayer films, coatings and microcapsules comprising...

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 17/00 (2006.01)

Patent

CA 2632703

Disclosed herein is a multilayer film comprising two or more layers of polyelectrolytes, wherein adjacent layers comprise oppositely charged polyelectrolytes. A first layer polyelectrolye comprises a composite polypeptide comprising one or more surface adsorption regions covalently linked to one or more functional regions forming a single polypeptide chain. The surface adsorption regions comprise one or more amino acid sequence motifs consisting of 5 to 15 amino acid residues. The one or more functional regions comprise 3 to about 250 amino acid residues.

La présente invention concerne un film multicouche comprenant au moins deux couches de polyélectrolytes, des couches adjacentes comportant des polyélectrolytes de charge opposée. Un polyélectrolyte de première couche comprend un polypeptide composite qui présente des régions d'adsorption de surface liées par liaison covalente à une ou plusieurs régions fonctionnelles, le tout formant une chaîne polypeptidique unique. Les régions d'adsorption de surface comprennent un ou plusieurs motifs de séquence d'acides aminés composés de 5 à 15 résidus d'acides aminés. La ou les régions fonctionnelles comprennent de 3 à environ 250 résidus d'acides aminés.

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