Fig. 1From: Fabrication of novel polymer-modified graphene-based electrochemical sensor for the determination of mercury and lead ions in water and biological samplesCyclic voltammogram for electropolymerization of glycine (1×10-3 M) at BGPE in 0.1 M PBS (5.7 pH) at a scan rate of 0.1 V/s for ten cyclesBack to article page