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 of Box–Behnken Design for Buspirone Transdermal Therapeutic Systems
| Independent variables | Levels used, actual (coded) | ||
|---|---|---|---|
| Low (−1) | Medium (0) | High (+1) | |
| X 1 = HPMC K 4 M (g) | 0.25 | 1.13 | 2 |
| X 2 = d-limonene (mL) | 4 | 8 | 12 |
| X 3 = Propylene glycol (mL) | 5 | 10 | 15 |
