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.
Gene transfection of (a) poly(l-lysine)50-block-poly(l-leucine)10, (b) poly(l-lysine)50-block-poly(l-leucine)15, (c) poly(l-lysine)50-block-poly(l-leucine)25 at their optimized N/P ratio (N/P = 15) in different cell lines (Student’s t-test, * p < 0.05; ** p < 0.01) (mean ± SD, n = 3).
