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.
Photographs of MCF-7 breast cancer cell suspensions in 1.5 mL centrifuge tubes. Cells incubated with PEGylated Fe3O4@β-NaGdF4:Yb/Er were viewed either under room light (A) or 980 nm irradiation (B). Control cells without incubation with PEGylated Fe3O4@β-NaGdF4:Yb/Er, were viewed either under room light (C) or 980 nm irradiation (D).
