Abstract
Tetracycline antibiotics (TCs) are pivotal in clinical medicine and animal husbandry due to their broad-spectrum sterilization properties. However, their overuse has led to mounting concerns, including antibiotic resistance, mammalian hepatotoxicity and nephrotoxicity, posing significant threats to ecological environments and human health. In response to these challenges, developing rapid and sensitive sensing detection methods for TCs is imperative. This review provides a comprehensive overview of optical sensors for the determination of TCs, leveraging either the inherent features of TCs or their interactions with nanomaterials. The discussed sensing modalities include colorimetry, fluorescence, chemiluminescence, electrochemiluminescence, surface-enhanced Raman scattering, and surface plasmon resonance. This review also addresses current challenges and provides insights into future perspectives in the realm of optical sensing for TCs.
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