Figure 1.
Scanning electron micrographs of (a) untreated, and treated ibuprofen powders in: (b) absence of additives, (c) presence of 5% PEG 8000, (d) presence of 5% PEG 6000, (e) presence of 5% PVA22000.
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.