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) Viability of HeLa cells after incubation with IR-820 doped polymer nanoparticles for 24 h. (b) Histological examination of liver, kidney, spleen and heart stained with haematoxylin and eosin. Tissues were excised from BALB/c mice 24 h post the treatment with nothing, PBS and IR-820 doped polymer nanoparticles, respectively. Scale bar: 50 μm.
