A Bimetallic Nanozyme Synergistic Effect-Driven Enzyme Cascade Nanoreactor for Instant Immunoassay
Key Laboratory of Guangdong Province · Fuzhou University
Abstract
This study presents a colorimetric sensor for cancer screening utilizing the bifunctional enzyme activity of NiCo Prussian blue analogue (PBA), a PBA material. By introducing oxygen vacancies and employing a dual-metal doping strategy, NiCo PBA overcomes the limitations in catalytic activity observed in single-metal-doped materials (such as Ni PBA and Co PBA), significantly enhancing both peroxidase-like (POD) and catalase-like (CAT) activities. Compared to single-metal-doped Ni PBA and Co PBA, NiCo PBA exhibited a 30.08-fold increase in POD activity and a 4.83-fold increase in CAT activity, demonstrating higher sensitivity in carcinoembryonic antigen (CEA) detection. By integrating NiCo PBA with a cascade…
Citation impact
- FWCI
- 23.18
- Percentile
- 100%
- References
- 38
Authors
5- DWDi Wu
Key Laboratory of Guangdong Province, Fuzhou University
- ZYZhichao Yu
Key Laboratory of Guangdong Province, Fuzhou University
- JQJiao Qin
Key Laboratory of Guangdong Province, Fuzhou University
- MLMei‐Jin LiCorresponding
Key Laboratory of Guangdong Province, Fuzhou University
- DTDianping TangCorresponding
Key Laboratory of Guangdong Province, Fuzhou University
Topics & keywords
- Chemistry
- Nanoreactor
- Bimetallic strip
- Immunoassay
- Cascade
- Chromatography
- Nanotechnology
- Biochemistry