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.
Independent and dependent variables used to optimize RPG niosomes formulations by 2FI I-Optimal statistical design.
| Factors (independent variables) | Levels | ||
|---|---|---|---|
| Low (−1) | Medium (0) | High (+1) | |
| X1: Cholesterol % | 1 | – | 2 |
| X2: Span 60 % | 1 | 3 | 5 |
| X3: PeceolTM % | 1 | – | 2 |
| Dependent variables | Goals | ||
| Y1: Particle size (nm) | Minimize | ||
| Y2: Zeta potential (mV) | Maximize | ||
| Y3: Polydispersity index | Minimize | ||
| Y4: Entrapment efficiency (%) | Maximize |
