Abstract
Chloramphenicol (CAP) is a broad-spectrum antibiotic widely used in medicine and agriculture since 1948 [1]. Currently, CAP is banned due to its potential health hazards [2]. Therefore, detecting antibiotic residual levels of CAP in food is necessary. The electrochemical method, characterized by its simplicity, speed, high sensitivity, ease of on-site analysis, and low cost, demonstrates potential in assessing antibiotic residual CAP compared to traditional methods such as liquid chromatography-mass spectrometry (LC-MS), liquid chromatography-electrochemical ionization-mass spectrometry (LC-EIS-MS/MS), gas chromatography-mass spectrometry (GC-MS),...[3]. In this study, a material from zero-valent iron nanoparticles combined with graphene nanoplatelets and porphyrin nanofibers (nZVI/GNPs/TCPP) synthesized through green chemistry methods was used as the electrode material to analyze antibiotic residual CAP in fresh milk samples using cyclic voltammetry (CV) and differential pulse voltammetry (DPV), promising results with a limit of detection (LOD) of 0,1212 μM, limit of quantification (LOQ) of 0,4040 μM, and sensitivity of 0,009998 μA.μM-1.cm-2.
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