An aptamer-CRISPR/Cas12a biosensor for rapid and sensitive detection of florfenicol

= 0.9907) and a limit of detection (LOD) of 1.41 nM. The accuracy and practicality were confirmed through spiked recovery experiments in egg samples, yielding recoveries between 97.1% and 100.8%. Furthermore, the modular design of this platform allows its easy adaptation for detecting other antibiotics simply by replacing the specific APT and its corresponding APT-c, highlighting its considerable potential for broad applications in food safety monitoring.