Dr. Arash Momeni (Cullis lab, Biochemistry) performs CryoTEM using the Tecnai G20 200kV TEM to examine the lipid nanoparticles. Left: 5 nm iron oxide nanoparticles and anticancer drug in lipid nanoparticles, Middle: mRNA loaded lipid nanoparticles, Right: 5 nm gold nanoparticles in lipid nanoparticles.