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.
Intracellular reactive oxygen species (ROS) level measurement with 2′,7′-dichlorofluorescin diacetate (DCFDA) reagent after K36H treatment in ultraviolet (UV) B–irradiated human fibroblasts. Ascorbic acid was used as positive control. Significant difference versus nonirradiation group: ###, p < 0.001. Significant difference versus nontreatment group: *, p < 0.05; **, p < 0.01.
