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.
Typical images of Δψm in murine photoreceptor cells before and after treatment with different concentrations of ZnO NPs for 24 h. (a) Untreated cells; (b) cells treated with 31.25 μmol/l of ZnO NPs; (c) cells treated with 62.5 μmol/l of ZnO NPs; and (d) cells treated with 125.0 μmol/l of ZnO NPs. Bar = 20 μm and NPs = nanoparticles.
