Formula code

Drug concentration (mg/ml)

Encapsulation efficiency (%)

Loading capacity (%)

1

0.75

11.92% ± 0.13%

3.12% ± 0.12%

2

1.0

17.20% ± 0.21%

5.38% ± 0.25%

3

1.25

34.72% ± 0.11%

12.44% ± 0.01%

4

1.5

23.79% ± 0.26%

10.20% ± 0.77%

5

2.0

21.65% ± 0.33%

10.09% ± 0.39%