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.
Scanning electron microscopy images of spray-dried particles. BSA formulations were processed without excipient (A) or with sucrose (B), trehalose (C), dextran 20K (D) or dextran 70K (E). Samples of myoglobin were formulated without excipient (F) or with sucrose (G), trehalose (H), dextran 20K (I) or dextran 70K (J).
