Issue 20, 2021

Recent trends in nanozymes design: from materials and structures to environmental applications

Abstract

Recently, a large variety of engineered nanostructures possessing enzyme-like activities have been proposed, whose unique physical–chemical characteristics have enabled remarkable technological advances. In this review, we survey the recent advances in nanozymes for environmental applications. First, we give an updated overview of different types of nanomaterial-based artificial enzymes, including carbon, metal and metal oxide nanomaterials, metal–organic frameworks (MOFs) and hybrid nanostructures, and compare their properties (namely, the Michaelis–Menten constant (Km) and the maximal reaction velocity (Vmax)) with standard natural enzymes. Furthermore, the progress in nanozymes for detecting and removing various environmental contaminants (e.g., heavy metals, dyes, pesticides, and hormones) is also discussed. Then, we provide a comprehensive overview of the enlightening strategies employed (based on the modification of size, shape/morphology, surface coating, doping and use of hybrid structures, for instance) to modulate the properties of nanozymes in order to achieve the desired properties for environmental sensing and remediation. Finally, challenges and current opportunities are discussed to stimulate the interest of researchers in the development of novel multifunctional nanozymes for environmental applications.

Graphical abstract: Recent trends in nanozymes design: from materials and structures to environmental applications

Article information

Article type
Review Article
Submitted
29 jun 2021
Accepted
16 ago 2021
First published
17 ago 2021

Mater. Chem. Front., 2021,5, 7419-7451

Recent trends in nanozymes design: from materials and structures to environmental applications

C. A. S. Ballesteros, L. A. Mercante, A. D. Alvarenga, M. H. M. Facure, R. Schneider and D. S. Correa, Mater. Chem. Front., 2021, 5, 7419 DOI: 10.1039/D1QM00947H

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