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.
Polymer solutions for the development of mucoadhesive tandem films (quantities in mass percent, v: verum, p: placebo). Tandem films were cast from combinations of A(v) + B(p) and A(v) + C(p).
| Substance | A(v) | B(v) | C(v) | B(p) | C(p) |
|---|---|---|---|---|---|
| HPMC (P.606) | 10.0 | 8.5 | 7.0 | 8.5 | 7.0 |
| PAA | / | 1.5 | 3.0 | 1.5 | 3.0 |
| Glycerol | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
| Theophylline monohydrate | 2.0 | 2.0 | 2.0 | / | / |
| NaOH | / | q.s. ad pH 5.5 | q.s. ad pH 5.5 | q.s. ad pH 5.5 | q.s. ad pH 5.5 |
| Water | Ad 100.0 | Ad 100.0 | Ad 100.0 | Ad 100.0 | Ad 100.0 |
