N,S co-doped Co<sub>3</sub>O<sub>4</sub> core–shell nanospheres with high peroxidase activity for the fast colorimetric detection of catechol
Xiangwei Liu, Xiaoyan Cao, Shuang Zhao, Zhenxue Liu, Guang Lu, Qingyun Liu
Abstract
A fast colorimetric catechol sensing platform is constructed on the basis of the enhanced peroxidase-like activity of N,S co-doped Co 3 O 4 core–shell nanospheres, ascribed to the active species including ˙O 2 − and h + .
Topics & Concepts
CatecholPeroxidaseShell (structure)DopingChemistryCore (optical fiber)Nuclear chemistryAnalytical Chemistry (journal)Materials scienceChromatographyEnzymeOrganic chemistryOptoelectronicsComposite materialAdvanced Nanomaterials in CatalysisElectrochemical sensors and biosensorsAdvanced biosensing and bioanalysis techniques