Abstract
In recent years, Fe3O4 nanomaterials have received much attention in analytical chemistry due to their excellent magnetic and peroxidase-like activity. As the catalytic characteristics of Fe3O4 nanomaterials is similar to those of horseradish peroxidase (HRP), Fe3O4 nanomaterials are also used as peroxidase mimics and have achieved a certain development in many fields based on latest research results. To improve the stability and catalytic ability of simple Fe3O4 nanomaterials, various modification strategies of Fe3O4 nanomaterials have been developed. The recent advances of these strategies have been presented and discussed. In addition, this paper introduces the application of Fe3O4 nanozymes in the detection of food and industrial pollutants, as well as in the field of biosafety.
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