Medtronic, Inc.

Judith Vincent

Patrick T Cahalan

Michel L Verhoeven

Linda L Cahalan

Edouard Koulik

A method of modifying the surface characteristics of a substrate having a surface with an amide-functional polymer thereon. The method involves contacting the amide-functional polymer with a source of hydroxide ions and a source of hypohalite ions at a temperature of at least about 20&deg; C. for a time effective to convert at least a portion of the amide-functional groups to amine-functional groups to form a substrate surface comprising an amine-functional polymer, wherein the hydroxide ions are present in a molar excess relative to the hypohalite ions and at a concentration of no more than about 0.1 M, based on the total volume of the reaction mixture. A biomolecule is attached to the resultant amine-functional polymer.

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Beek, Netherlands

Judith Vincent