Figure 5.
Scan rate study: comparison of cyclic voltammograms obtained with (a) biochar/SPEs and (b) graphene/SPEs sensors using 10 mM ferricyanide in 50 mM phosphate buffer + 10 mM KCl, pH 7.4.
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.