Fig. 3. SEM images of a cross-section of a capillary (ID 0.53 mm) coated with Mn–salen imine gel with about 2 μm thickness.
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.