Fig. 5From: Effect of Gelatin-Stabilized Copper Nanoparticles on Catalytic Reduction of Methylene BlueZeta potential of gelatin (a) and CuNPs@Gelatin at various concentrations of gelatin [0.1, 0.25, 0.5, 0.75, and 1 wt.% (b–f)], respectivelyBack to article page