Issue 23, 2023

Design of carbon dots as nanozymes to mediate redox biological processes

Abstract

Nanozymes are a new type of artificial enzyme based on engineered nanomaterials, developed to help understand and mimic natural enzymes in order to make better catalytic materials, understand the structure–function relationship and utilize the unique properties of artificial nanozymes. Carbon dot (CD)-based nanozymes have attracted great attention due to their biocompatibility, high catalytic activity and simple surface functionalization, and have shown great potential in biomedical and environmental applications. In this review, we propose a possible precursor selection method to synthesize CD nanozymes with enzyme-like activities. Doping or surface modification methods are introduced as effective strategies to enhance the catalytic performance of CD nanozymes. Recently, CD-based single-atom nanozymes and hybrid nanozymes have been reported, which bring a new perspective to the research of nanozymes. Finally, the challenges of CD nanozymes in clinical transformations are discussed, and the research direction is proposed. The latest research progress and application of CD nanozymes in mediating redox biological processes are summarized in order to further explore the potential of carbon dots in biological therapy. We also provide more ideas for researchers who focus on the design of nanomaterials with antibacterial, anti-cancer, anti-inflammatory, antioxidant and other functions.

Graphical abstract: Design of carbon dots as nanozymes to mediate redox biological processes

Article information

Article type
Review Article
Submitted
19 אוק 2022
Accepted
06 דצמ 2022
First published
03 ינו 2023

J. Mater. Chem. B, 2023,11, 5071-5082

Design of carbon dots as nanozymes to mediate redox biological processes

Q. He and L. Zhang, J. Mater. Chem. B, 2023, 11, 5071 DOI: 10.1039/D2TB02259A

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