Natural peroxidase composed of protein and metallic cofactor suffers from deactivation in
harsh environment. Learning from the natural structure of active site in peroxidase, in this …

Biological enzymes have high catalytic activity and unique substrate selectivity; their
immobilization may provide cost reduction and reusability. Using magnetic nanoparticles …

Consumption of foods with high total antioxidant capacity (TAC) can reduce the risk of
several illnesses in humans caused by the overproduction of pro-inflammatory cytokines in …

Antioxidants can help trap and neutralize free reactive oxygen species to reduce their
damage. Thus, it is important to evaluate the content of antioxidants in foods and drugs. In …

With natural polyphenol compound tannic acid (TA) as the ingredient, copper tannate
(CuTA) nanolayer material was formed by self-assembly under the conditions of heating and …

Identifying the species and concentrations of antioxidants is really important because
antioxidants play important roles in various biological processes and numerous diseases …

In this work, we report a fast and colorimetric method for the detection of antioxidants based
on the oxidase-like activity of two-dimensional MnO2 nanosheets. Specifically, MnO2 …

The high cost and low reusability of natural enzymes greatly limit their application in
biosensing. In this work, a sustainable nanozyme with light-driven oxidase-like activity was …

Various nanomaterials with peroxidase activity (nanozyme) have been designed for bio
catalysis and biosensing, however, most of them need further design and modification of …

In this study, a facile method to sensitively detect melamine and highly improve the
peroxidase-like activity of bare gold nanoparticles (Au NPs) at the same time is proposed for …