Biological molecule-reactive hydrophilic silicone surface

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 77/42 (2006.01) C07C 69/02 (2006.01) C07D 207/46 (2006.01) C08G 65/332 (2006.01) C08G 65/336 (2006.01) C08G 77/38 (2006.01) C08G 77/46 (2006.01)

Patent

CA 2567630

A silicone polymer having a modified surface is described, wherein said modification consists of a covalently attached water soluble polymer bearing an activating group, wherein said activating group reacts with reactive functionalities on one or more biological molecules so that said one or more biological molecules become covalently attached to said silicone polymer. The modified silicones are reacted with biological molecules to make them more biocompatible for use in biodiagnostic, biosensor or bioaffinity applications, or for coatings for in vivo transplantation or for liners exposed to biological broths.

La présente invention concerne un polymère de silicone comportant une surface modifiée, ladite modification étant un polymère soluble dans l'eau lié par covalence qui supporte un groupe activateur, ledit groupe activateur réagissant avec des fonctionnalités réactives présentes sur une ou plusieurs molécules biologiques de sorte que la ou les molécules biologiques se lient par covalence audit polymère de silicone. On fait réagir les silicones modifiées avec des molécules biologiques pour les rendre plus biocompatibles afin d'être utilisées dans des applications de biodiagnostic, de biocapteur ou de bioaffinité ou encore pour des revêtements utiles pour la transplantation in vivoou bien encore pour des revêtements exposés à des bouillons de culture biologiques.

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