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.
Different pathways of nanoparticle penetration. Paracellular transport (between cells), transcellular transport (inside the cells), transport by hair follicles, sweat glands, skin folds or a combination of all. Image adapted from: https://smart.servier.com.
