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.
Frequency dependency of AC conductivity for a culture medium (dashed line), and the media with 0.004 μg/cm2 (thin solid line) or 0.04 μg/cm2 (thick solid line) of SWNT, the media with 0.004 μg/cm2 (open circle) or 0.04 μg/cm2 (filled triangle) of MWNT, and the media with 0.004 μg/cm2 (cross) or 0.04 μg/cm2 (filled diamond) of C60.
