An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Rosa H, Petri DF, Carmona-Ribeiro AM.Rosa H, et al.J Phys Chem B. 2008 Dec 25;112(51):16422-30. doi: 10.1021/jp806992f.J Phys Chem B. 2008.PMID: 19367939