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Abstract

Electrochemical biosensors have emerged as pivotal tools in point-of-care (POC) sensing, offering rapid, sensitive, and cost-effective detection platforms. Different strategies for advancing electrochemical POC biosensors have been explored recently, including fabrication methodologies and advances in biorecognition elements. This review comprehensively explores the miniaturization and integration of portable and wireless devices into fully integrated systems, highlighting recent advancements and challenges in fabrication techniques. We also discuss different enhancement strategies for biorecognition in POC testing, including immunosensors, aptasensors, genosensors, and CRISPR-based biosensors, evaluating their respective strengths and applications. Furthermore, this review addresses the complexity of multiplexing within electrochemical biosensing platforms. Finally, we outline some critical considerations for field deployment and commercialization of electrochemical POC biosensors. We aim to provide a comprehensive overview of advancing electrochemical biosensors toward robust and scalable POC solutions by synthesizing advancements across this emerging field.

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/content/journals/10.1146/annurev-anchem-071124-103739
2025-02-27
2025-03-16
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/content/journals/10.1146/annurev-anchem-071124-103739
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  • Article Type: Review Article
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