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.
Force (in nN) exerted by the probe tip on the col1-coated magnetic bead bound to a cell determined by the net traction force exerted by the cell on the PAA gel for a distance between the probe tip and magnetic bead of 10 or 20 μm. Error bars indicate ± standard deviation from two independent experiments.
