Table 1.

Drug-loaded rate and encapsulation rate of different ratios of samples.

Volume Ratio	pH	Ab	DL (%)	EE (%)
1:1	6.20	3.33	6.79	73.1
2:1	5.78	1.49	7.26	81.9
3:1	5.65	1.06	7.92	82.3
4:1	5.46	0.629	8.15	82.4
5:1	5.45	0.618	8.39	83.7
6:1	5.43	0.555	8.04	82.4
7:1	5.40	0.527	7.89	82.6
8:1	5.37	0.502	7.01	82.1