abstract |
A method for freeze-drying a hy-drogel composition is disclosed, the method comprising providing the hydrogel composition, wherein the hydrogel compo-sition comprises cellulose nanofibrils and/or cellulose nanocrystals, at least one saccharide, at least one amino acid, and biologics; and freeze-drying the hy-drogel composition, thereby obtaining a freeze-dried hydrogel composition. |