摘要
A novel electrochemical sensor for enrofloxacin (ENR) was constructed by drop-coating multi-walled carbon nanotubes on a graphite electrode, followed by electropolymerization of p -aminobenzoic acid. The sensor showed a linear response from 0.02 to 50 μM, with a detection limit of 0.0036 μM. It exhibited good selectivity, reproducibility, and successful application in spiked milk samples (recoveries 99.0–104.1%), offering a cost-effective and simple strategy for antibiotic residue monitoring.
危险品化学品经营许可证（带存储）