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.
Cryofracture transmission electron microscopy of cationic polysaccharide nanoparticles (PSP). Samples were frozen at −200°C and cryofracture was performed at −150°C on a Reicher-Jung Cryofract. Transmission electron microscopy was performed on a JEOL 1200 EX. Magnification, ×135,000.
