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.
Microphotographs of unloaded chondroitin sulphate (ChS) microparticles (A) and ChS/ isoniazid (INH)/rifabutin (RFB) microparticles produced with water-ethanol (B) and water-HCl (C) as solvents, as obtained by scanning electron microscopy. Scale bar is 10 µm.
