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.
Level of hemolysis of red blood cells. Error bars indicate standard error of the mean. Bars with different superscripts denote statistically significant differences between the control group (non-treated) and groups treated with the following: pristine graphene, oxidized graphene, reduced oxidized graphene, and 3% hydrogen peroxide-positive control (P < 0.05). There were significant differences (P < 0.05) between different concentrations of graphenes
