Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Variables and their levels in the Box-Behnken design
|
Levels |
|||
|---|---|---|---|
| –1 | 0 | 1 | |
| Independent variables | |||
| X1 = Amount of lipid (w/v) | 5% | 7.5% | 10% |
| X2 = Amount of surfactant (w/v) | 2% | 5% | 8% |
| X3 = Drug/lipid ratio (w/w) | 5% | 10% | 15% |
| Dependent variables | Constraints | ||
| Y1 = Entrapment efficiency (EE%) | Maximize | ||
| Y2 = Drug loading (DL%) | Maximize | ||
| Y3 = Turbidity (NTU) | Minimize | ||
