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.
Cell viability was determined by MTT assay and was expressed as a mean value ± standard deviation of three separate experiments.
Notes: Exposure times: 15 seconds, 30 seconds, and 45 seconds, P<0.05. The test was performed by ANOVA that revealed a significant difference **(0.01<P<0.05) and ***(0<P<0.001).
Abbreviations: MTT, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide; ANOVA, analysis of variance; s, seconds.
