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.
Schematic representation of a nanoparticle in a cylindrical vessel (tube) (not to scale). Radius of the tube: R = 5 µm; Length of the tube: L = 10 µm; Radius of the nanoparticle: a = 250 nm; Viscosity of the fluid: μ = 10−3kg/ms; Density of the fluid and the nanoparticle: ρ(f) = ρ(p) = 103kg/m3.
