Table 1.

Polymerization Temperature of Collagen Hydrogels Used for Tissue Engineering

Polymerization temperature (°C)	Reference(s)
Single temperature
4 (refrigeration)	30
20–26 (room temperature)	15, 28, 34, 41, 48–50
37	12, 13, 16, 19, 21, 27, 36, 40, 44, 51–78
Range of temperatures
4, 21, 37	35
4, 14, 24, 37	26
12–37	79
23, 37	43
Temperature gradient during polymerization
4→37	80
(4, 26, 35)→4→(4, 26, 35)	38
(22, 27, 32)→37	47