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.
Comparison of initial burst (IB) and residual content (RC) for drug/PEC in dependence of pH value of release media.
| pH of Release Medium | RIS/REC 0.9 | RIF/PEC 1.2 | ||
|---|---|---|---|---|
| IB (%) | RC (%) | IB (%) | RC (%) | |
| pH = 4 | 70 ± 4 | 9 ± 5 | 5 ± 4 | 62 ± 9 |
| pH = 7 | 18 ± 11 | 64 ± 5 | 23 ± 17 | 21 ± 15 |
| pH = 10 | 3 ± 4 | 96 ± 7 | 79 ± 13 | 5 ± 4 |
