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.
Al Kα excited XPS of a representative PES electrospun mat with H2TPP before (black line) and after sensing of the p-NA (red line) in the N 1s binding energy region. The signal intensities have been normalized to results of the atomic concentration analysis.
