An official website of the United States government
Here's how you know
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.
Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/).
SEM micrographs
of coaxial and single-needle PCL-based membranes
with or without rifampicin: (A) CTRL core, (B) CTRL shell, (C) CTRL no coax, (D) Rif core, (E) Rif shell, and (F) Rif no coax. Scale
bar: 50 μm.