Journal
CHINESE JOURNAL OF CHEMISTRY
Volume 32, Issue 2, Pages 151-156Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201300683
Keywords
CuO; 3; 3; 5; 5-tetramethylbenzidine; peroxidase; enzyme; porous micro-; nanostructures
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Funding
- National Natural Science Foundation of China [51203069, 51102117, 51072071]
- China Post-doctoral Science Foundation [2011M500085, 2012T50439]
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Porous CuO micro-/nanostructures with clean surface, prepared through Cu-2(OH)(2)CO3 precursor followed by calcination in air, were proven to be an effective peroxidase mimic. They can quickly catalyze oxidation of the peroxidase substrate 3,3,5,5-tetramethylbenzidine (TMB) in the presence of H2O2, producing a blue color. The obtained porous CuO micro-/nanostructure have potential application in wastewater treatment. The apparent steady-state kinetic parameter was studied with TMB as the substrate. In addition, the potential application of the porous CuO in wastewater treatment was demonstrated with phenol-containing water as an example. Such investigation not only confirms the intrinsic peroxidase-like activity of micro-/nanostructured CuO, but also suggests its potential application in wastewater treatment.
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