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.
Estimated BSC vs. frequency for CHO cell pellets of varying number densities of 1.3, 5 and 20 Mcells∕mL. Each estimated BSC is based on data acquired from 2 transducers: 40 MHz and 80 MHz. The thicker lines represent the fitted BSC relative to the concentric sphere model.
