Table 3. Effect of autoclaving sterilization on physicochemical properties of APS in-situ gels.

	Lot number	T sol-gel (°C)	sol-geltransition time(s,37°C)	pH	%LA	Viscosity (mpa∙s, 25°C)
Before autoclaving	01	34.1 ± 0.2	10.3 ± 0.1	6.5	101.1 ± 0.9	56.8 ± 1.2
	02	33.6 ± 0.4	9.7 ± 0.1	6.4	100.5 ± 0.7	57.2 ± 1.3
	03	34.3 ± 0.3	10.6 ± 0.2	6.5	101.6 ± 1.1	55.9 ± 0.7
After autoclaving	01	33.9 ± 0.3	9.9 ± 0.1	6.4	100.8 ± 1.2	57.2 ± 1.0
	02	33.7 ± 0.5	9.6 ± 0.1	6.3	101.1 ± 0.9	56.6 ± 0.8
	03	34.1 ± 0.2	10.4 ± 0.1	6.4	102.0 ± 0.7	56.1 ± 0.9

(n = 3, mean ± SD), % LA = labeled amount of APS, calculated based on glucose (C6H12O4), T sol-gel = sol-gel transition temperature.