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.
Photographs of the flow cells showing the reference positions (black arrows) used for microimaging. (a) Flow cell with a gradual transition region and (b) flow cell with an abrupt transition. (c) shows the form of the solenoidal coil used for imaging wrapped around the flow cell.
