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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: J Nanopart Res. 2011 Oct;13(10):5547–5555. doi: 10.1007/s11051-011-0544-3

Fig. 3.

Fig. 3

Superoxide dismutase activity is expressed by nanoparticles. The ordinate plots the amount of WST-1 formazan observed whereas the abscissa gives the nanoparticle concentration. SOD activity is illustrated by the quenching of WST-1 formazan production. This activity was measured for various concentrations of platinum nanoparticles (A) and cerium oxide nanoparticles (B). (n=3)