| abstract |
A crosslinked matrix suitable for invasive cell growth or growth, in which at least one engineered protein or polysaccharide graft is covalently or ionically attached to the matrix, wherein the engineered protein or polysaccharide graft comprises a first domain comprising a bioactive factor or a polysaccharide, a second domain, in which the engineered protein or polysaccharide graft is attached to the matrix by the second domain and an enzymatic or hydrolytic degradation site between the first domain and the second domain . |