Recent advances in single-atom nanozymes for colorimetric biosensing

被引：38
作者：
Lyu, Zhaoyuan [1 ]
Zhou, Jiachi [2 ]
Ding, Shichao [1 ,2 ]
Du, Dan [1 ]
Wang, Joseph [2 ]
Liu, Yun [3 ]
Lin, Yuehe [1 ]
机构：
[1] Washington State Univ, Sch Mech & Mat Engn, POB 642920, Pullman, WA 99164 USA
[2] Univ Calif San Diego, Dept NanoEngn, 9500 Gilman Dr, La Jolla, CA 92093 USA
[3] Australian Natl Univ, Res Sch Chem, Canberra, ACT 2601, Australia
来源：
TRAC-TRENDS IN ANALYTICAL CHEMISTRY | 2023年 / 168卷
基金：
澳大利亚研究理事会;
关键词：
Single-atom catalysts; Nanozymes; Colorimetric biosensing; Active sites; Mimicking; PEROXIDASE-LIKE ACTIVITY; LATERAL FLOW IMMUNOASSAY; ELECTROCHEMICAL BIOSENSORS; SANDWICH ELISA; CATALASE CAT; ENZYME; REDUCTION; CATALYSTS; ELECTROCATALYSTS; NANOMATERIALS;
D O I：
10.1016/j.trac.2023.117280
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Recently, single-atom catalysts (SACs) and nanozymes (SANs) have emerged and flourished in the field of catalysis due to their exceptional atom utilization efficiency and high catalytic performance, thereby paving the way for amplified biosensing capabilities. Contrasted with natural enzymatic counterparts, SANs offer numerous advantages including robust catalytic activity, facile production, and cost-effectiveness, thus holding immense potential for deployment in colorimetric biosensing applications. Notably, SANs demonstrate enhanced catalytic efficiency and selectivity in comparison to conventional nanozymes. This review article comprehensively overviews the latest advancements in SANs-based biosensing platforms specifically tailored for colorimetric bioanalytical applications. Besides, strategies to improve the enzyme-like activity of SANs are discussed. Finally, the paper addresses extant challenges and delineates prospective avenues for the advancement of SAN-based biosensing technologies. The insights and perspectives presented herein are anticipated to provide valuable guidance in comprehending the enzyme-like catalytic activity of SANs and in designing SANs tailored to augment biosensing functionalities.
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页数：15
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