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(a) Proliferation of cells cultured on dextran/gelatin hydrogels in the CCK-8 assay: (A) tissue culture plate, (B) 3/7, (C) 4/6, (D) 5/5, (E) 6/4, and (F) 7/3 of dextran/gelatin. (b) Quantifications of cell proliferations for 1, 3, and 7 days on the corresponding substrates. Reused from [132], an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0).
