Stimuli-Sensitive Hydrogel Based on N-Isopropylacrylamide and Itaconic Acid for Entrapment and Controlled Release of Candida rugosa Lipase under Mild Conditions

Table 1

The loading capacity and the entrapment efficacy for samples 95/5/2 and 95/5/4 swollen to equilibrium in solutions of different initial lipase concentrations (𝐶).

C, mg/mL	95/5/2			95/5/4
	t, h	𝑃𝑔, mg/gxerogel	𝜂, %	t, h	𝑃𝑔, mg/gxerogel	𝜂, %
0.2	48	97.9 ± 2.91	96.7	24	74.7 ± 1.73	95.0
1.0	48	337.8 ± 7.75	84.0	24	202.8 ± 4.29	43.0
5.0	48	335.6 ± 7.45	14.5	24	217.6 ± 4.53	11.1
10.0	48	321.0 ± 7.73	8.4	24	215.2 ± 4.70	6.1
20.0	48	365.7 ± 9.10	4.4	24	264.3 ± 5.66	3.1

𝑡: polymerization time; 𝑃_𝑔: the loading capacity; 𝜂: entrapment efficiency.