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.
(A) Passive targeted delivery. After intravenous injection, nanoparticles accumulate in tumors through leaky and permeable tumor vasculature and impaired lymphatic system (e.g., enhanced permeability and retention effect). (B) Active targeted delivery. Ligand-coated nanoparticles bind to a cancer cell receptor resulting in cell-specific recognition and improved drug delivery to solid tumors.
