Figure 1.
Structure of (A) linear PEG and (B) hbPG. Repeating units are displayed individually to allow for a better structural comparison between the two polymers.
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.