volume 6, issue 65, P59939-59945 2016
DOI: 10.1039/c6ra09217a
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Abstract: Nanoceria (cerium oxide nanoparticles) exhibits excellent catalytic activity towards chromogenic substrate 3,3,5,5-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide (H 2 O 2 ), which has been reported. However, the understanding on the interaction between H 2 O 2 and nanoceria is far from complete. Herein, we further studied the interaction between H 2 O 2 and dextran-coated nanoceria and found that H 2 O 2 plays a dual role on nanoceria's oxidase activity both as an inhibitor and a promoter, de…

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