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.
SEM pictures of loviride nanoparticles using different sample preparation approaches: drying in air directly on the sample holder (a magnification ×350; b magnification ×25,000), freeze-drying directly on the sample holder (c magnification ×350, d magnification ×25,000), and dispersion of the freeze-dried product on the sample holder (e magnification ×3,500; f magnification ×25,000)
