Issue 46, 2023

Advances in colorimetric aptasensors for heavy metal ion detection utilizing nanomaterials: a comprehensive review

Abstract

Heavy metal ion contamination poses significant environmental and health risks, necessitating rapid and efficient detection methods. In the last decade, colorimetric aptasensors have emerged as powerful tools for heavy metal ion detection, owing to their notable attributes such as high specificity, facile synthesis, adaptability to modifications, long-term stability, and heightened sensitivity. This comprehensive overview summarizes the key developments in this field over the past ten years. It discusses the principles, design strategies, and innovative techniques employed in colorimetric aptasensors using nanomaterials. Recent advancements in enhancing sensitivity, selectivity, and on-site applicability are highlighted. The review also presents application studies of successful heavy metal ion detection using colorimetric aptasensors, underlining their potential for environmental monitoring and health protection. Finally, future directions and challenges in the continued evolution of these aptasensors are outlined.

Graphical abstract: Advances in colorimetric aptasensors for heavy metal ion detection utilizing nanomaterials: a comprehensive review

Article information

Article type
Critical Review
Submitted
13 oct. 2023
Accepted
10 nov. 2023
First published
15 nov. 2023

Anal. Methods, 2023,15, 6320-6343

Advances in colorimetric aptasensors for heavy metal ion detection utilizing nanomaterials: a comprehensive review

J. Zhu, D. Wang, H. Yu, H. Yin, L. Wang, G. Shen, X. Geng, L. Yang, Y. Fei and Y. Deng, Anal. Methods, 2023, 15, 6320 DOI: 10.1039/D3AY01815F

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