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.
SEM images of sPES (sulfonated polyethersulfone) membranes; (a) uncoated membrane, (b) membrane after LbL coating, (c) coated LbL membrane after immersing for 2 h in phosphoric acid, (d) coated LbL membrane after 2 h of phosphoric acid filtration.
