Issue 35, 2024

Ion-sensitive field effect transistor biosensors for biomarker detection: current progress and challenges

Abstract

The ion-sensitive field effect transistor (ISFET) has emerged as a crucial sensor device, owing to its numerous benefits such as label-free operation, miniaturization, high sensitivity, and rapid response time. Currently, ISFET technology excels in detecting ions, nucleic acids, proteins, and cellular components, with widespread applications in early disease screening, condition monitoring, and drug analysis. Recent advancements in sensing techniques, coupled with breakthroughs in nanomaterials and microelectronics, have significantly improved sensor performance. These developments are steering ISFETs toward a promising future characterized by enhanced sensitivity, seamless integration, and multifaceted detection capabilities. This review explores the structure and operational principles of ISFETs, highlighting recent research in ISFET biosensors for biomarker detection. It also examines the limitations of these sensors, proposes potential solutions, and anticipates their future trajectory. This review aims to provide a valuable reference for advancing ISFETs in the field of biomarker measurement.

Graphical abstract: Ion-sensitive field effect transistor biosensors for biomarker detection: current progress and challenges

Article information

Article type
Review Article
Submitted
04 abr. 2024
Accepted
20 jul. 2024
First published
23 jul. 2024

J. Mater. Chem. B, 2024,12, 8523-8542

Ion-sensitive field effect transistor biosensors for biomarker detection: current progress and challenges

J. Zou, H. Bai, L. Zhang, Y. Shen, C. Yang, W. Zhuang, J. Hu, Y. Yao and W. (. Hu, J. Mater. Chem. B, 2024, 12, 8523 DOI: 10.1039/D4TB00719K

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