Fig. 1.
a) Preparation scheme of oxidized sodium alginate-grafted dopamine (OSD) and b) polydopamine-coating poly(thiophene-3-acetic acid) (PA); c) Preparation and application of OSD/carboxymethyl chitosan/Fe3+/PA (OSD/CMC/Fe/PA) hydrogels.
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.