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.
Cell culture density equal to 900 cells/mm2 (grey dots), 1800 cells/mm2 (black squares) and 3600 cells/mm2 (white squares). Values are normalized over the total number of channels.
