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.
Sample field of view for magnetic microposts array. The green circle indicates the location of a magnetic micropost. The two red circles indicate collapsed posts that can be used as navigation aids to trace back to the same location after cell removal.
