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.
Comet assayfor detection of DNA damage in A431 cells. A) Untreated cells (control). B) Treated cells with hydrogen peroxide, H2O2 (positive control). C) Treated cells with linear polyethylenimine (LPEI).D) Treated cells with branched polyethylenimine (BPEI).
