Table 2.

Gelation times, pH values and water content. c, coated.

Sample	Gelation Time (min)	pH	Water Content (wt %)
Alg1	40 ± 4	8.34 ± 0.14	69.37 ± 1.32
Alg2	28 ± 3	6.49 ± 0.70	68.61 ± 1.15
Alg3	8 ± 1	7.24 ± 0.83	69.63 ± 0.32
Alg4	5 ± 1	7.12 ± 0.01	68.76 ± 0.84
c-Alg1	*	7.53 ± 0.54	69.42 ± 0.96
c-Alg2	*	5.19 ± 0.36	67.70 ± 0.82
c-Alg3	*	7.34 ± 0.81	65.94 ± 1.02
c-Alg4	*	5.10 ± 0.40	53.51 ± 0.64

* Gelation times are the same as the corresponding uncoated hydrogels.