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.
Steady-state deflections of a frequency shift as a function of surface stress obtained for virus concentrations of 0, 106 and 107 vp ml−1 using a nanomechanical cantilever system. Linear interpolation of experimental dependence of Δf/f ∝ s is shown by a solid line.
