Table 1. Yield of Chitosan-Based Cryogels Obtained at 2.0 wt % Chitosan Loading Amount With Glutaraldehyde as the Crosslinker.

	gel yield (%)
crosslinker content (vol %)	1	2	3	average ± standard deviation
0.1	77.3	75.7	79.5	77.5 ± 1.6
0.2	80.4	77.0	80.8	79.4 ± 1.7
0.3	76.8	75.0	75.5	75.8 ± 0.7
0.4	80.1	83.4	79.7	81.1 ± 1.6
0.5	76.6	74.0	81.8	77.2 ± 2.9