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Table 1 Zeta potential of gelatin and CuNPs@Gelatin at various concentrations of gelatin [0.1, 0.25, 0.5, 0.75, and 1 wt.% (b–f)]

From: Effect of Gelatin-Stabilized Copper Nanoparticles on Catalytic Reduction of Methylene Blue

Samples Zeta potential (mV)
a −25.4 ± 2.0
b −28.7 ± 1.4
c −30.4 ± 0.8
d −34.8 ± 1.1
e −37.9 ± 0.6
f −39.7 ± 0.9