Figure 7.
Chitosan particulate hydrogels (A9 sample) pH-dependent water uptake in pH = 3.3 (ABS) and pH = 7.4 (PBS).
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.