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Advances in electrochemical-optical dual-mode biosensors for detection of environmental pathogens

Chou‐Yi HsuDepartment of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan, TaiwanRaed Obaid SalehDepartment of Medical Laboratory Techniques, Al-Maarif University College, Al-Anbar, IraqHarikumar PallathadkaManipur International University, Imphal, Manipur, IndiaAbhinav KumarDepartment of Nuclear and Renewable Energy, Ural Federal University Named after the First President of Russia Boris Yeltsin, Ekaterinburg 620002, RussiaSofiène MansouriDepartment of Biomedical Technology, College of Applied Medical Sciences in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi ArabiaPriyadharshini BhupathiVIT School of Agricultural Innovations and Advanced Learning, Vellore Institute of Technology, Vellore, IndiaSaad Hayif Jasim AliDepartment of Medical Laboratory, College of Health and Medical Technololgy, Al-Ayen University, Thi-Qar, IraqZuhair I. Al‐MashhadaniAnesthesia Techniques, Al-Nisour University College, Baghdad, IraqLaith H. AlzubaidiCollege of Technical Engineering, The Islamic University of Al Diwaniyah, Al Diwaniyah, IraqManar Mohammed HizamCollege of Pharmacy, National University of Science and Technology, Dhi Qar, Iraq

2024en

ABI

Annotatsiya

Electrochemical techniques are commonly used to analyze and screen various environmental pathogens. When used in conjunction with other optical recognition methods, it can extend the sensing range, lower the detection limit, and offer mutual validation. Nowadays, electrochemical-optical dual-mode biosensors have ensured the accuracy of test results by integrating two signals into one, indicating their potential use in primary food safety quantitative assays and screening tests. Particularly, visible optical signals from electrochemical/colorimetric dual-mode biosensors could meet the demand for real-time screening of microbial pathogens. While electrochemical-optical dual-mode probes have been receiving increasing attention, there is limited emphasis on the design approaches for sensors intended for microbial pathogens. Here, we review the recent progress in the merging of optical and electrochemical techniques, including fluorescence, colorimetry, surface plasmon resonance (SPR), and surface enhanced Raman spectroscopy (SERS). This study particularly emphasizes the reporting of various sensing performances, including sensing principles, types, cutting-edge design approaches, and applications. Finally, some concerns and upcoming advancements in dual-mode probes are briefly outlined.

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DOI: 10.1039/d3ay02217j

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