CPC A61L 31/041 (2013.01) [A61K 31/192 (2013.01); A61K 31/195 (2013.01); A61L 31/145 (2013.01); A61L 31/148 (2013.01); A61L 31/16 (2013.01); A61L 2300/414 (2013.01); A61L 2300/43 (2013.01); A61L 2300/62 (2013.01)] | 20 Claims |
1. An apparatus comprising:
a desiccated, amorphous, translucent, hydrogel film including:
a first film layer comprising uncrosslinked hyaluronic acid and alginate that is negatively charged and crosslinked with at least one cation; and
a second film layer comprising uncrosslinked hyaluronic acid and alginate that is negatively charged and crosslinked with the at least one cation;
wherein (a) the first film layer is fused to the second film layer; and (b) the first film layer is anti-adhesive and non-attractive to cells and the second film layer is adhesive to cells.
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