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.
Normalized fluorescence autocorrelation curves [g(τ)] for 0.6 nmol/liter anionic 50-nm-radius nanospheres diffusing in water (○) and in PRTP− (•), PRTP+ (▵), and PRTP* (▾) biofilms. Each curve corresponds to the mean of at least 30 measurements performed on three independent samples.
