In situ green synthesis of the nanocomposites of MnO2/graphene as an oxidase mimic for sensitive colorimetric and electrochemical dual-mode biosensing

• DOI: 10.1039/d3ra05879d
• Publication Date: 2023-10-24T10:32:33Z
• Authors: Yaopeng Liu; Wei Zhao; Yi Gao; Qing Zhuo; Tingting Chu; Wensheng Huang; Yin Zheng; Yingru Li
• Keywords: Dual mode

A novel kind of nanozyme constructed by MnO 2 nanoparticles and graphene nanosheets (MnO @G) was prepared via a facile chemical route, which possesses oxidase mimicking property for colorimetry electrochemical determination dopamine (DA).