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.
Confocal fluorescence images of U87MG cells after 6 h co-incubation with IR820-loaded dendrimers. Cells treated with PBS were tested as control. The fluorescence of Hoechst 33342 and IR820 were pseudo-labeled with blue and red, respectively. Scale bars: 20 μm.
