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.
Symbols and error bars represent the means and standard deviations obtained by samples from 8 wells with same D and t. Lines are for guide of eyes.
