Issue 16, 2024

Multimodal biosensing systems based on metal nanoparticles

Abstract

Biosensors are currently among the most commonly used devices for analysing biomarkers and play an important role in environmental detection, food safety, and disease diagnosis. Researchers have developed multimodal biosensors instead of single-modal biosensors to meet increasing sensitivity, accuracy, and stability requirements. Metal nanoparticles (MNPs) are beneficial for preparing core probes for multimodal biosensors because of their excellent physical and chemical properties, such as easy regulation and modification, and because they can integrate diverse sensing strategies. This review mainly summarizes the excellent physicochemical properties of MNPs applied as biosensing probes and the principles of commonly used MNP-based multimodal sensing strategies. Recent applications and possible improvements of multimodal biosensors based on MNPs are also described, among which on-site inspection and sensitive detection are particularly important. The current challenges and prospects for multimodal biosensors based on MNPs may provide readers with a new perspective on this field.

Graphical abstract: Multimodal biosensing systems based on metal nanoparticles

Article information

Article type
Critical Review
Submitted
27 1 2024
Accepted
02 7 2024
First published
08 7 2024

Analyst, 2024,149, 4116-4134

Multimodal biosensing systems based on metal nanoparticles

L. Yan, P. Zheng, Z. Wang, W. Wang, X. Chen and Q. Liu, Analyst, 2024, 149, 4116 DOI: 10.1039/D4AN00140K

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