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.
(a) The presence of a cationic lipid monolayer at the air-water interface aligns the first few water layers, generating strong vibrational SFG signal. (b) The binding of DNA and cationic lipids screens the electric charges, disorders the water molecules, leads to a sharp decrease of the water signal. Reprinted with permission from ref. 162. (2007 American Chemical Society)
