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Use of plasma to immobilize protein on polymeric surfaces

  • US 5,171,779 A
  • Filed: 04/18/1991
  • Issued: 12/15/1992
  • Est. Priority Date: 07/18/1988
  • Status: Expired due to Term
First Claim
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1. An article which comprises a protein immobilized to the surface of a polymer prepared by coating said polymer surface with a solution of said protein;

  • exposing said coated polymer to an environment containing a gas plasma to form free radicals; and

    covalently bonding said protein to said polymeric surface at free radical sites.

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