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 drawing of a solid-state NMR rotor filling tool for a swinging bucket ultracentrifuge rotor. The plot indicates the theoretical acceleration needed to sediment a protein (assembly) of a given molecular weight. Adapted with permission from ref (133). Copyright 2019 Elsevier.
