Recent advances in receptor-based optical biosensors for the detection of multiplex biomarkers.

Multiplex biosensors are highly sought-after tools in disease diagnosis. This technique involves the simultaneous sensing of multiple biomarkers, whose levels and ratios can provide a more comprehensive assessment of disease conditions compared to single biomarker detection. In most diseases like cancer due to its complexity, several biomarkers are involved in their occurrence. On the other hand, a single biomarker may be implicated in various diseases. Multiplex sensing employs various techniques, such as optical, electrochemical, and electrochemiluminescence methods. This comprehensive review focuses on optical multiplex sensing techniques, including surface plasmon resonance, localized surface plasmon resonance, fluorescence resonance energy transfer, chemiluminescence, surface-enhanced Raman spectroscopy, and photonic crystal sensors. The review delves into their mechanisms, materials utilized, and strategies for biomarker detection. Copyright © 2024 Elsevier B.V. All rights reserved.

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Parvin Samadi Pakchin, Farzaneh Fathi, Hamed Samadi, Khosro Adibkia. Recent advances in receptor-based optical biosensors for the detection of multiplex biomarkers. Talanta. 2025 Jan 01;281:126852

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PMID: 39321560

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