Novel application of CoFe layered double hydroxide nanoplates for colorimetric detection of H2O2 and glucose

Yingwei Zhang; Jingqi Tian; Sen Liu; Lei Wang; Xiaoyun Qin; Wenbo Lu; Guohui Chang; Yonglan Luo; Abdullah M. Asiri; Abdulrahman O. Al-Youbi; Xuping Sun

doi:10.1039/C2AN00035K

Novel application of CoFe layered double hydroxide nanoplates for colorimetric detection of H₂O₂ and glucose†

Yingwei Zhang,^a Jingqi Tian,^ab Sen Liu,^a Lei Wang,^a Xiaoyun Qin,^a Wenbo Lu,^a Guohui Chang,^a Yonglan Luo,^a Abdullah M. Asiri,^cd Abdulrahman O. Al-Youbi^cd and Xuping Sun*^acd

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^a State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, China
E-mail: sunxp@ciac.jl.cn
Fax: (+86) 431-85262065
Tel: (+86) 431-85262065

^b Graduate School of the Chinese Academy of Sciences, Beijing, China

^c Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia

^d Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah, Saudi Arabia

Abstract

The present communication demonstrates the proof of concept of using CoFe layered double hydroxide (CoFe-LDHs) nanoplates as an effective peroxidase mimetic to catalyze the oxidation of peroxidase substrate 3,3′,5,5′-tetramethylbenzidine in the presence of H₂O₂ to produce a blue solution. We further demonstrate successfully CoFe-LDHs nanoplate-based colorimetric assay to detect H₂O₂ and glucose.

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Novel application of CoFe layered double hydroxide nanoplates for colorimetric detection of H₂O₂ and glucose†

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Novel application of CoFe layered double hydroxide nanoplates for colorimetric detection of H₂O₂ and glucose

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