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COMPOSITION FOR CYTOCOMPATIBLE, INJECTABLE, SELF-GELLING POLYSACCHARIDE SOLUTIONS FOR ENCAPSULATING AND DELIVERING LIVE CELLS OR BIOLOGICALLY ACTIVE FACTORS

  • US 20090202430A1
  • Filed: 04/14/2009
  • Published: 08/13/2009
  • Est. Priority Date: 07/16/2002
  • Status: Abandoned Application
First Claim
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1. A composition for immobilizing and encapsulating viable and functional cells or bioactive substances comprising:

  • a) liquid polysaccharide solution of isotonic neutral chitosan; and

    b) a cross-linking solution comprising glyoxal or glyoxal-treated hydroxyethyl cellulose dissolved in a physiological medium.

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