Research Article

Oxidase-Like Catalytic Performance of Nano-MnO2 and Its Potential Application for Metal Ions Detection in Water

Figure 7

Role of metal ions (i.e., Mg2+, Cu2+, Al3+, Zn2+, Mn2+, Fe2+, and Pb2+) on the oxidase-like activity of nano-MnO2 for catalyzing the oxidation of 2,6-DMP. Reaction conditions: Nano-MnO2 = 0.1 mg·mL−1; 2,6-DMP = 1.0 mmol·L−1; Metal ion = 0.01 mmol·L−1. Error bars represent the standard deviation (n = 3).