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.
Schematic representations and microscopic images obtained during the experiment when (a) the end of the glass tube was freely opened to air, (b) a dry PDMS cube was placed closed to the end of the tube, and (c) a propylene glycol‐infused PDMS cube was placed. Adapted from Reference [75].
