Figure 3.
Synthesis process: (a) Synthesis of collagen–alginate hydrogel; (b) synthesis of aerogel (EDTA-ethylenediaminetetraacetic acid, HEPES-4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid).
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.