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. 2016 Mar 24;16(4):422. doi: 10.3390/s16040422

Figure 2.

Figure 2

(A) CVs registered at (a) CSPE; (b) GPH/chitosan/CSPE; (c) nPt/GPH/chitosan nanocomposite film in 10−4 M H2O2 solution (supporting electrolyte 10−2 M PBS of pH = 7.4); (B) cyclic voltammogram of the DAO-nPt/GPH/chitosan/CSPE biosensor in a 10−2 M PBS of pH = 7.4 containing 10−4 M histamine.