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.
Swelling Properties of the Free Polymers
| Ratio of ERL/EC (%, w/w) | Change in thickness (%) | Percentage swelling, I s (%) |
|---|---|---|
| 100:0 | 37.7 ± 6.35 | 129 ± 14.0 |
| 50:50 | 26.6 ± 1.56 | 73.7 ± 21.8 |
| 0:100 | 7.03 ± 3.46 | 6.12 ± 5.47 |
All values are expressed as means ± SD (n = 3)
EC ethyl cellulose, ERL Eudragit RL 100, AZT zidovudine, DBS dibuthyl sebacate
