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) Dynamic response of SnO2 nanowires (black line) and RGTO (grey line) sensors to (b) different injections of ethanol (25 ppm) and DMMP (0.2 ppm). The comparison between the ethanol sequence and the ethanol-DMMP sequence evidences the poisoning effects due to DMMP exposure, also at weak concentrations. Reprinted from [41] with permission from Elsevier, copyright (2009).
