Flower-like NiO as an oxidase-like nanozyme for the colorimetric and smartphone-assisted detection of nitrite in food

• Published in: Microchemical journal Vol. 208; p. 112584
• Main Authors: Huang, Yihong, Fu, Ning, Liu, Yujia, Zhang, Hanqiang
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.01.2025
• Subjects: Colorimetric detection; Flower-like NiO; Nitrite; Oxidase-like nanozyme; Smartphone; Flower-like NiO; Nitrite; Smartphone; Oxidase-like nanozyme; Colorimetric detection

Schematic diagram of colorimetric and smartphone-assisted detection of nitrite in food. [Display omitted] •A simple, rapid, and large-scale method for the synthesis of NiO mimetic oxidase was developed.•The NiO nanozyme exhibits ultrafast catalytic kinetics and long-term catalytic platform.•The NiO...