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) MTT and (b) SRB cytotoxicity assay of f-MSNs and 5-FU-loaded MSNs administered at various concentrations (20, 50, and 100 μg/ mL) in HeLa cells. Data is represented as mean ± SD (n = 3). * p < 0.05 and ** p < 0.01 were considered statistically significant.
