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.
Analysis of the hydrogels morphology (left) and chemical interactions (right). SEM micrographs of quercetin free and quercetin-loaded sodium alginate-poly(vinyl) alcohol (SA-PVA) hydrogels. Scale bar 200 μm. FTIR spectra of empty (A) and quercetin-loaded (B) hydrogels.
